- routing-wg - mailman.ripe.net

Weekly Routing Table Report
by Routing Table Analysis 18 Jun '04

18 Jun '04

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats(a)lists.apnic.net If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 04:00 +10GMT Sat 19 Jun, 2004 Analysis Summary ---------------- BGP routing table entries examined: 141523 Prefixes after maximum aggregation: 85033 Unique aggregates announced to Internet: 68045 Total ASes present in the Internet Routing Table: 17443 Origin-only ASes present in the Internet Routing Table: 15141 Origin ASes announcing only one prefix: 7052 Transit ASes present in the Internet Routing Table: 2302 Transit-only ASes present in the Internet Routing Table: 71 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 26 Illegal AS announcements present in the Routing Table: 8 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1312570364 Equivalent to 78 /8s, 60 /16s and 59 /24s Percentage of available address space announced: 35.4 Percentage of allocated address space announced: 58.1 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 65038 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 26892 Total APNIC prefixes after maximum aggregation: 13922 Prefixes being announced from the APNIC address blocks: 25127 Unique aggregates announced from the APNIC address blocks: 13853 APNIC Region origin ASes present in the Internet Routing Table: 2066 APNIC Region origin ASes announcing only one prefix: 617 APNIC Region transit ASes present in the Internet Routing Table: 333 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 150189824 Equivalent to 8 /8s, 243 /16s and 183 /24s Percentage of available APNIC address space announced: 68.5 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 81412 Total ARIN prefixes after maximum aggregation: 49817 Prefixes being announced from the ARIN address blocks: 62628 Unique aggregates announced from the ARIN address blocks: 21990 ARIN Region origin ASes present in the Internet Routing Table: 9261 ARIN Region origin ASes announcing only one prefix: 3299 ARIN Region transit ASes present in the Internet Routing Table: 900 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 225323296 Equivalent to 13 /8s, 110 /16s and 41 /24s Percentage of available ARIN address space announced: 74.6 ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106 2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153 3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466 7723 - 8191, 10240 - 12287, 13312 - 15359 16384 - 17407, 18432 - 20479, 21504 - 23551 25600 - 26591, 26624 - 27647, 29695 - 30719 31744 - 33791 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 25927 Total RIPE prefixes after maximum aggregation: 18382 Prefixes being announced from the RIPE address blocks: 22697 Unique aggregates announced from the RIPE address blocks: 15087 RIPE Region origin ASes present in the Internet Routing Table: 5575 RIPE Region origin ASes announcing only one prefix: 3003 RIPE Region transit ASes present in the Internet Routing Table: 958 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 164653824 Equivalent to 9 /8s, 208 /16s and 107 /24s Percentage of available RIPE address space announced: 57.7 RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614 2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631 6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383 20480 - 21503, 24576 - 25599, 28672 - 29695 30720 - 31743 RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 6144 Total LACNIC prefixes after maximum aggregation: 2237 Prefixes being announced from the LACNIC address blocks: 5780 Unique aggregates announced from the LACNIC address blocks: 3536 LACNIC Region origin ASes present in the Internet Routing Table: 379 LACNIC Region origin ASes announcing only one prefix: 110 LACNIC Region transit ASes present in the Internet Routing Table: 73 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 15081472 Equivalent to 0 /8s, 230 /16s and 32 /24s Percentage of available LACNIC address space announced: 44.9 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1145 Total AfriNIC prefixes after maximum aggregation: 675 Prefixes being announced from the AfriNIC address blocks: 778 Unique aggregates announced from the AfriNIC address blocks: 582 AfriNIC Region origin ASes present in the Internet Routing Table: 91 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 1870080 Equivalent to 0 /8s, 28 /16s and 137 /24s Percentage of available AfriNIC address space announced: 11.1 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 845 1075 613 Telstra Pty Ltd 4134 793 3664 146 Data Communications Bureau 4766 494 2896 264 Korea Internet Exchange for " 9583 459 38 99 Satyam Infoway Ltd., 4755 371 134 55 Videsh Sanchar Nigam Ltd. Aut 9443 353 69 78 Primus Telecommunications 2907 350 1840 327 SINET Japan 17676 341 5084 33 XTAGE CORPORATION 17557 335 23 163 Pakistan Telecom 703 328 375 255 UUNET 9929 320 155 38 China Netcom Corp. 2764 295 275 242 connect.com.au pty ltd 7474 262 267 205 Optus Communications Pty Ltd 9942 229 71 126 COMindico Australia 9800 223 367 61 CHINA UNICOM 9498 218 48 48 BHARTI BT INTERNET LTD. 4837 186 2019 105 chinanet IDC center beijing n 17974 183 51 99 PT TELEKOMUNIKASI INDONESIA 10036 181 17 169 C&M Communication Co. Ltd. 9304 179 161 25 Hutchison Telecom (HK) ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1446 6892 1008 AT&T 701 1309 8486 934 UUNET Technologies, Inc. 1239 947 2998 640 Sprint 6347 933 400 99 SAVVIS Communications Corpora 3356 892 10916 676 Level 3 Communications, LLC 557 775 63 15 University of Maine System Co 4323 739 549 205 Time Warner Communications, I 18566 716 192 8 Covad Communications 6197 707 525 276 BellSouth Network Solutions, 209 616 3453 505 Qwest 6198 573 439 219 BellSouth Network Solutions, 20115 559 372 287 Charter Communications 852 512 1142 403 Telus Advanced Communications 7843 509 657 130 Adelphia Corp. 7132 453 7868 339 Southwestern Bell Internet Se 2386 425 564 227 AT&T Data Communications Serv 721 405 13177 297 DLA Systems Automation Center 705 396 144 270 UUNET Technologies, Inc. 4355 393 323 103 EarthLink, Inc. 22773 387 781 55 Cox Communications, Inc. Atla RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 648 2039 540 UUNET - Commercial IP service 3320 298 2468 236 Deutsche Telekom AG 3301 291 1097 267 TeliaNet Sweden 8220 272 429 261 COLT Internet - International 1257 251 498 195 SWIPnet Swedish IP Network 680 244 2025 239 DFN-IP service G-WiN 13083 216 51 8 Mannesmann Datenverarbeitung 3246 211 492 208 Song Networks 5515 199 843 144 Sonera Solution Autonomous Sy 8708 184 112 172 Romania Data Systems S.A. 3215 182 895 69 France Telecom Transpac 719 179 288 102 LANLINK autonomous system 786 174 1794 174 The JANET IP Service 25186 174 156 115 France Telecom Transpac's Tra 6746 157 29 128 Dynamic Network Technologies, 5400 144 206 119 BT Ignite European Backbone 3269 134 1099 64 TELECOM ITALIA 3303 134 611 133 Swisscom Ltd 12302 127 18 31 MobiFon S.A. 8866 122 14 8 Bulgarian Telecommunication C LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 11172 355 96 57 Servicios Alestra S.A de C.V 6140 346 140 67 ImpSat 8151 275 373 130 UniNet S.A. de C.V. 16814 203 13 7 NSS, S.A. 6147 161 82 21 Telefonica Del Peru 7303 144 53 32 Telecom Argentina Stet-France 6505 135 90 93 Global One Communicaoes Ltda 6503 129 202 87 AVANTEL, S.A. 11992 93 9 29 Integrated Systems 11556 87 57 24 Cable-Wireless Panama 6535 80 5 17 Chilesat Servicios Empresari 14420 78 5 28 ANDINATEL S.A. 14535 75 6 5 Techtel S.A. 15311 75 19 37 Telefonica Empresas 11311 73 7 20 Sinectis S.A. 5639 72 8 8 Telecommunications Services o 4270 70 18 9 Red de Interconexion Universi 14117 69 5 4 Telefonica del Sur S.A. 14259 67 4 5 GTD Internet S.A. 10292 66 6 25 TELECOMMUNICATIONS OF JAMAICA AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 253 632 220 The Internet Solution 5536 111 16 4 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 90 276 80 The Internetworking Company o 11845 38 9 11 Data Pro Business Online 24835 31 18 6 RAYA Telecom - Egypt 8524 25 2 4 AUCEGYPT Autonomous System 16637 25 9 18 Johnnic e-Ventures 5713 24 125 23 Telkom SA Ltd 6713 24 38 9 Itissalat Al-MAGHRIB 9129 24 3 2 UUNET Kenya 12455 24 4 2 Jambonet Autonomous system 14988 24 16 1 Botswana Telecommunications C 10798 18 1 12 Standard Bank of South Africa 15706 16 2 3 Sudatel Internet Exchange Aut 12258 15 3 10 Vodacom Internet Company 8346 13 6 12 SONATEL-AS Autonomous System 17148 13 1 7 First National Bank 2609 12 26 4 Tunisia BackBone AS 15808 12 1 4 Communication Solutions Ltd i Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 6347 933 834 SAVVIS Communications Corpora 557 775 760 University of Maine System Co 18566 716 708 Covad Communications 4134 793 647 Data Communications Bureau 4323 739 534 Time Warner Communications, I 6197 707 431 BellSouth Network Solutions, 7843 509 379 Adelphia Corp. 701 1309 375 UUNET Technologies, Inc. 5668 383 366 Century Telephone 22909 386 361 Comcast Cable Corporation 9583 459 360 Satyam Infoway Ltd., 27364 376 357 Armstrong Cable Services 6198 573 354 BellSouth Network Solutions, 22773 387 332 Cox Communications, Inc. Atla 4755 371 316 Videsh Sanchar Nigam Ltd. Aut 17676 341 308 XTAGE CORPORATION 1239 947 307 Sprint 11172 355 298 Servicios Alestra S.A de C.V 4355 393 290 EarthLink, Inc. 9929 320 282 China Netcom Corp. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm 18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm 65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone 65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 721 DLA Systems Automation Center 156.154.16.0/22 7786 Lockheed Martin IMS 158.0.0.0/13 721 DLA Systems Automation Center 164.234.0.0/18 721 DLA Systems Automation Center 164.234.0.0/16 721 DLA Systems Automation Center 192.43.230.0/24 4738 South Australian Academic Res 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 568 DISO-UNRRA 192.172.11.0/24 721 DLA Systems Automation Center Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:3 /10:6 /11:15 /12:59 /13:124 /14:299 /15:517 /16:7865 /17:2063 /18:3622 /19:9450 /20:9910 /21:7300 /22:10340 /23:11829 /24:76737 /25:375 /26:396 /27:318 /28:178 /29:15 /30:69 /31:0 /32:14 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 557 742 775 University of Maine System Co 6347 710 933 SAVVIS Communications Corpora 18566 699 716 Covad Communications 7018 561 1446 AT&T 6197 536 707 BellSouth Network Solutions, 3356 503 892 Level 3 Communications, LLC 6198 403 573 BellSouth Network Solutions, 702 397 648 UUNET - Commercial IP service 1239 378 947 Sprint 701 376 1309 UUNET Technologies, Inc. 27364 364 376 Armstrong Cable Services 5668 335 383 Century Telephone 4766 313 494 Korea Internet Exchange for " 9583 307 459 Satyam Infoway Ltd., 20115 296 559 Charter Communications 14824 257 281 NewSouth Communications Corp. 9929 254 320 China Netcom Corp. 3320 247 298 Deutsche Telekom AG 690 246 282 Merit Network 25844 244 244 Skadden, Arps, Slate, Meagher Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:823 13:1 15:5 16:2 17:3 20:8 24:751 32:65 33:1 38:70 40:53 44:4 55:1 56:3 57:16 61:433 62:501 63:1814 64:1984 65:2028 66:2606 67:330 68:500 69:579 70:64 80:500 81:319 82:177 83:80 84:3 128:150 129:186 130:76 131:175 132:21 133:1 134:182 135:17 136:182 137:54 138:153 139:36 140:164 141:122 142:119 143:55 144:90 145:41 146:303 147:78 148:417 149:118 150:95 151:71 152:165 153:64 154:1 155:117 156:60 157:60 158:145 159:147 160:52 161:62 162:379 163:77 164:180 165:158 166:93 167:216 168:224 169:162 170:285 171:8 192:5554 193:2773 194:2049 195:1361 196:552 198:3694 199:3087 200:3530 201:8 202:4657 203:5608 204:3100 205:2082 206:2289 207:2499 208:2223 209:2915 210:1415 211:555 212:984 213:1202 214:62 215:30 216:3705 217:936 218:167 219:110 220:233 221:30 222:39 End of report

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The Cidr Report
by cidr-report＠potaroo.net 18 Jun '04

18 Jun '04

This report has been generated at Fri Jun 18 21:43:34 2004 AEST. The report analyses the BGP Routing Table of an AS4637 (Reach) router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as4637 for a current version of this report. Recent Table History Date Prefixes CIDR Agg 11-06-04 137772 95908 12-06-04 137971 95834 13-06-04 137854 95723 14-06-04 137664 95727 15-06-04 137880 95878 16-06-04 137962 95909 17-06-04 138035 95954 18-06-04 138004 95892 AS Summary 17357 Number of ASes in routing system 7047 Number of ASes announcing only one prefix 1425 Largest number of prefixes announced by an AS AS7018 : ATTW AT&T WorldNet Services 54149120 Largest address span announced by an AS (/32s) AS721 : DNIC DoD Network Information Center Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 18Jun04 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 138095 95947 42148 30.5% All ASes AS6347 934 161 773 82.8% SAVV SAVVIS Communications Corporation AS4134 737 159 578 78.4% CHINANET-BACKBONE No.31,Jin-rong Street AS4323 739 206 533 72.1% TWTC Time Warner Telecom AS18566 716 193 523 73.0% CVAD Covad Communications AS7018 1425 989 436 30.6% ATTW AT&T WorldNet Services AS6197 704 324 380 54.0% BNS-14 BellSouth Network Solutions, Inc AS7843 506 129 377 74.5% ADELPH-13 Adelphia Corp. AS701 1292 926 366 28.3% UU UUNET Technologies, Inc. AS22909 386 33 353 91.5% CMCS Comcast Cable Communications, Inc. AS9583 459 116 343 74.7% SATYAMNET-AS Satyam Infoway Ltd., AS27364 376 38 338 89.9% ARMC Armstrong Cable Services AS6198 569 233 336 59.1% BNS-14 BellSouth Network Solutions, Inc AS22773 387 63 324 83.7% CXAB Cox Communications Inc. Atlanta AS1239 948 642 306 32.3% SPRN Sprint AS11172 354 56 298 84.2% Servicios Alestra S.A de C.V AS17676 339 50 289 85.3% JPNIC-JP-ASN-BLOCK Japan Network Information Center AS4355 381 99 282 74.0% ERSD EARTHLINK, INC AS9929 314 33 281 89.5% CNCNET-CN China Netcom Corp. AS6478 305 48 257 84.3% ATTW AT&T WorldNet Services AS1221 849 617 232 27.3% ASN-TELSTRA Telstra Pty Ltd AS14654 237 5 232 97.9% WAYPOR-3 Wayport AS25844 243 16 227 93.4% SASMFL-2 Skadden, Arps, Slate, Meagher & Flom LLP AS6140 390 168 222 56.9% IMPSA ImpSat AS3356 892 676 216 24.2% LEVEL3 Level 3 Communications AS4766 479 264 215 44.9% KIX Korea Internet Exchange for "96 World Internet Exposition AS9443 356 154 202 56.7% INTERNETPRIMUS-AS-AP Primus Telecommunications AS2386 426 230 196 46.0% ADCS-1 AT&T Data Communications Services AS5668 383 192 191 49.9% CIH-12 CenturyTel Internet Holdings, Inc. AS6467 223 35 188 84.3% ACSI e.spire Communications, Inc. AS6327 209 29 180 86.1% SHAWC-2 Shaw Communications Inc. Total 16558 6884 9674 58.4% Top 30 total Possible Bogus Routes 24.138.80.0/20 AS11260 AHSICHCL Andara High Speed Internet c/o Halifax Cable Ltd. 24.246.0.0/17 AS7018 ATTW AT&T WorldNet Services 24.246.128.0/18 AS7018 ATTW AT&T WorldNet Services 64.46.4.0/22 AS11711 TULARO TULAROSA COMMUNICATIONS 64.46.12.0/24 AS7850 IHIGHW iHighway.net, Inc. 64.46.27.0/24 AS8674 NETNOD-IX Netnod Internet Exchange Sverige AB 64.46.34.0/24 AS3408 64.46.63.0/24 AS7850 IHIGHW iHighway.net, Inc. 66.114.0.0/19 AS16526 BIRCHT Birch Telecom, Inc. 69.26.32.0/19 AS17307 VIRTEL-15 Virtela Communications 132.0.0.0/10 AS568 DISOUN DISO-UNRRA 137.0.0.0/13 AS721 DNIC DoD Network Information Center 138.136.0.0/13 AS721 DNIC DoD Network Information Center 158.0.0.0/13 AS721 DNIC DoD Network Information Center 192.30.93.0/24 AS17757 HPAUS-AP HP Australia 192.30.94.0/24 AS17757 HPAUS-AP HP Australia 192.30.127.0/24 AS719 LANLINK Elisa Oyj 192.40.105.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.43.230.0/24 AS4738 SAARDNET-AS South Australian Academic Research and Development Network 192.44.0.0/19 AS702 AS702 MCI EMEA 192.81.182.0/24 AS719 LANLINK Elisa Oyj 192.81.183.0/24 AS719 LANLINK Elisa Oyj 192.81.184.0/24 AS719 LANLINK Elisa Oyj 192.119.135.0/24 AS270 NASA National Aeronautics and Space Administration 192.124.252.0/22 AS680 DFN-IP service G-WiN 192.133.6.0/24 AS4004 GLOBALONE-EQUANT-UK Equant UK & Greece Autonomous System 192.135.50.0/24 AS7018 ATTW AT&T WorldNet Services 192.136.71.0/24 AS719 LANLINK Elisa Oyj 192.136.79.0/24 AS719 LANLINK Elisa Oyj 192.153.144.0/21 AS721 DNIC DoD Network Information Center 192.172.0.0/19 AS568 DISOUN DISO-UNRRA 192.188.208.0/20 AS721 DNIC DoD Network Information Center 192.243.32.0/23 AS2044 PALINA Palin Aquisitions Inc. 198.23.26.0/24 AS4390 BELLAT-7 Bell Atlantic, Inc. 198.97.72.0/21 AS568 DISOUN DISO-UNRRA 198.97.80.0/20 AS568 DISOUN DISO-UNRRA 198.97.88.0/24 AS89 NUSC-1 Naval Underwater Systems Center 198.97.240.0/20 AS568 DISOUN DISO-UNRRA 198.97.247.0/24 AS3475 DEPART-52 Department of the Navy 198.101.4.0/22 AS568 DISOUN DISO-UNRRA 198.136.32.0/20 AS19329 MCBCC Martin County Board of County Commissioners 198.144.32.0/19 AS3998 CITY CityNet, Inc. 198.161.87.0/24 AS6539 GTGR GT Group Telecom Services Corp. 198.161.165.0/24 AS852 AGTA Telus Advanced Communications 198.163.155.0/24 AS684 MRN Manitoba Regional Network 198.167.0.0/16 AS7456 INS-51 Interhop Network SERVICES Inc. 198.167.163.0/24 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 198.168.0.0/16 AS701 UU UUNET Technologies, Inc. 198.169.0.0/16 AS803 SASK SaskTel 198.232.133.0/24 AS23075 SKOTOS Skotos Tech, Inc 199.10.0.0/16 AS568 DISOUN DISO-UNRRA 199.60.0.0/20 AS271 UBC-3 University of British Columbia 199.84.0.0/16 AS701 UU UUNET Technologies, Inc. 199.114.0.0/18 AS568 DISOUN DISO-UNRRA 199.114.0.0/21 AS568 DISOUN DISO-UNRRA 199.114.128.0/18 AS568 DISOUN DISO-UNRRA 199.114.130.0/24 AS721 DNIC DoD Network Information Center 199.114.132.0/24 AS721 DNIC DoD Network Information Center 199.114.136.0/24 AS1913 DLA-8 Defense Logistics Agency 199.114.138.0/24 AS721 DNIC DoD Network Information Center 199.114.140.0/24 AS3544 DISAUN DISA/UNRRA 199.114.142.0/24 AS721 DNIC DoD Network Information Center 199.114.144.0/24 AS721 DNIC DoD Network Information Center 199.114.148.0/24 AS721 DNIC DoD Network Information Center 199.114.150.0/24 AS721 DNIC DoD Network Information Center 199.114.152.0/24 AS1913 DLA-8 Defense Logistics Agency 199.114.154.0/24 AS1733 ADP-41 AF DDN PMO 199.114.156.0/24 AS1913 DLA-8 Defense Logistics Agency 199.114.160.0/24 AS1733 ADP-41 AF DDN PMO 199.120.32.0/19 AS16582 NXLI NEXTLEVEL INTERNET, INC. 199.121.0.0/16 AS568 DISOUN DISO-UNRRA 199.123.0.0/18 AS568 DISOUN DISO-UNRRA 199.123.16.0/20 AS568 DISOUN DISO-UNRRA 199.123.80.0/21 AS568 DISOUN DISO-UNRRA 199.189.32.0/19 AS7332 IQUEST IQuest Internet 199.197.8.0/22 AS21814 PARSON-18 Parsons Corp. 199.202.0.0/16 AS701 UU UUNET Technologies, Inc. 202.70.0.0/20 AS4658 NETFRONT-AS NETFRONT I.T. LIMITED (HONG KONG) 202.70.28.0/24 AS4515 ERX-STAR Star Internet Services Ltd. 202.73.128.0/22 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 202.74.192.0/19 AS17412 WALKER-NZ-AP Walker Wireless Limited 202.93.0.0/20 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.123.96.0/20 AS9288 COMCEN-AS-AP Com-Cen Pty Ltd 202.133.3.0/24 AS9335 CIP-JAPAN-AS-AP ATT IPlus 202.141.160.0/24 AS9237 HUTCHCA-AS BTN Access Limited 202.141.190.0/24 AS10026 ANC Asia Netcom Corporation 202.141.191.0/24 AS4637 REACH Reach Network Border AS 202.164.224.0/19 AS7599 IPXC-AS-AP IP Exchange 203.32.4.0/23 AS7617 203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet) 203.84.145.0/24 AS4637 REACH Reach Network Border AS 203.84.146.0/24 AS4637 REACH Reach Network Border AS 203.132.107.0/24 AS10236 FOXGOLD-NET-AU-AP FOXGOLD COMMUNICATIONS 203.188.16.0/21 AS4755 VSNL-AS Videsh Sanchar Nigam Ltd. Autonomous System 204.69.144.0/22 AS5668 CIH-12 CenturyTel Internet Holdings, Inc. 204.154.125.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.126.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.127.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.194.110.0/23 AS30653 EXOBI Exobit Networks Inc. 205.150.0.0/15 AS701 UU UUNET Technologies, Inc. 205.159.72.0/24 AS1660 ANSCOM-5 ANS Communications 206.81.187.0/24 AS19194 SNL-8 Sentris Network LLC 206.167.57.0/24 AS376 RISQR-3 Reseau Interordinateurs Scientique Quebecois (RISQ) 206.191.64.0/18 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 206.251.69.0/24 AS27429 TIL-33 Telesat International Ltd. 206.253.190.0/23 AS8123 POLYBA Polybase 207.231.96.0/19 AS11194 NUNETI NuNet Inc 208.81.187.0/24 AS19194 SNL-8 Sentris Network LLC 209.169.219.0/24 AS189 GNTY Genuity 209.169.223.0/24 AS189 GNTY Genuity 209.172.0.0/18 AS7770 TRTI Triton Technologies, Inc. 209.205.69.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.70.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.81.0/24 AS15066 SkyNet de Colombia S.A. 209.205.82.0/24 AS15066 SkyNet de Colombia S.A. 209.205.84.0/24 AS15066 SkyNet de Colombia S.A. 209.213.32.0/19 AS10629 INS-52 Inter-Pacific Network Services 209.213.50.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.51.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.55.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.56.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.222.137.0/24 AS27429 TIL-33 Telesat International Ltd. 209.251.0.0/19 AS11036 SISCOM-1 SISCOM, Inc 216.96.128.0/18 AS7018 ATTW AT&T WorldNet Services 216.145.130.0/24 AS11937 TRXI TRX Inc. 216.145.132.0/24 AS11937 TRXI TRX Inc. 216.145.133.0/24 AS11937 TRXI TRX Inc. 216.145.134.0/24 AS11937 TRXI TRX Inc. 216.145.135.0/24 AS11937 TRXI TRX Inc. 216.145.152.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.156.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.158.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.176.0/21 AS20304 JIS-32 JVLNET Internet Services 216.145.177.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.178.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.184.0/21 AS10758 INWAVE INWave Internet, Inc 216.145.200.0/21 AS20304 JIS-32 JVLNET Internet Services 216.186.151.0/24 AS3356 LEVEL3 Level 3 Communications 216.186.152.0/21 AS3356 LEVEL3 Level 3 Communications 216.186.160.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.164.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.192.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.198.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.248.0/23 AS3356 LEVEL3 Level 3 Communications Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org swinog(a)swinog.ch

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out of the office tuesday15june04
by Bruno.Martinou＠equant.com 15 Jun '04

15 Jun '04

I will be out of the office starting 14/06/2004 and will not return until 16/06/2004. Please copy CNP Internet & Peering in case of emergency.

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out of the office tuesday15june04
by Bruno.Martinou＠equant.com 14 Jun '04

14 Jun '04

I will be out of the office starting 14/06/2004 and will not return until 16/06/2004. Please copy CNP Internet & Peering in case of emergency.

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New IPv6 Address Block Allocated to RIPE NCC
by leo vegoda 14 Jun '04

14 Jun '04

Dear Colleagues, The RIPE NCC received the IPv6 address range 2001:4000::/23 from the IANA in June 2004. You may wish to adjust any filters you have in place accordingly. More information on the IP space administered by the RIPE NCC can be found on our web site at: <https://www.ripe.net/ripe/docs/smallest-alloc-sizes.html> Regards, -- leo vegoda Registration Services Manager RIPE NCC

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Weekly Routing Table Report
by Routing Table Analysis 11 Jun '04

11 Jun '04

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats(a)lists.apnic.net If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 04:00 +10GMT Sat 12 Jun, 2004 Analysis Summary ---------------- BGP routing table entries examined: 140462 Prefixes after maximum aggregation: 84998 Unique aggregates announced to Internet: 68154 Total ASes present in the Internet Routing Table: 17399 Origin-only ASes present in the Internet Routing Table: 15103 Origin ASes announcing only one prefix: 7028 Transit ASes present in the Internet Routing Table: 2296 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 5.1 Max AS path length visible: 26 Illegal AS announcements present in the Routing Table: 8 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1312025340 Equivalent to 78 /8s, 51 /16s and 234 /24s Percentage of available address space announced: 35.4 Percentage of allocated address space announced: 58.1 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 64122 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 26841 Total APNIC prefixes after maximum aggregation: 13922 Prefixes being announced from the APNIC address blocks: 25076 Unique aggregates announced from the APNIC address blocks: 14019 APNIC Region origin ASes present in the Internet Routing Table: 2064 APNIC Region origin ASes announcing only one prefix: 616 APNIC Region transit ASes present in the Internet Routing Table: 337 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 150026240 Equivalent to 8 /8s, 241 /16s and 56 /24s Percentage of available APNIC address space announced: 68.5 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 80606 Total ARIN prefixes after maximum aggregation: 49793 Prefixes being announced from the ARIN address blocks: 62431 Unique aggregates announced from the ARIN address blocks: 21967 ARIN Region origin ASes present in the Internet Routing Table: 9241 ARIN Region origin ASes announcing only one prefix: 3287 ARIN Region transit ASes present in the Internet Routing Table: 896 Average ARIN Region AS path length visible: 4.9 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 225181216 Equivalent to 13 /8s, 107 /16s and 254 /24s Percentage of available ARIN address space announced: 74.6 ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106 2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153 3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466 7723 - 8191, 10240 - 12287, 13312 - 15359 16384 - 17407, 18432 - 20479, 21504 - 23551 25600 - 26591, 26624 - 27647, 29695 - 30719 31744 - 33791 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 25755 Total RIPE prefixes after maximum aggregation: 18347 Prefixes being announced from the RIPE address blocks: 22551 Unique aggregates announced from the RIPE address blocks: 15075 RIPE Region origin ASes present in the Internet Routing Table: 5551 RIPE Region origin ASes announcing only one prefix: 2992 RIPE Region transit ASes present in the Internet Routing Table: 951 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 164243456 Equivalent to 9 /8s, 202 /16s and 40 /24s Percentage of available RIPE address space announced: 57.6 RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614 2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631 6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383 20480 - 21503, 24576 - 25599, 28672 - 29695 30720 - 31743 RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 6111 Total LACNIC prefixes after maximum aggregation: 2260 Prefixes being announced from the LACNIC address blocks: 5737 Unique aggregates announced from the LACNIC address blocks: 3525 LACNIC Region origin ASes present in the Internet Routing Table: 381 LACNIC Region origin ASes announcing only one prefix: 110 LACNIC Region transit ASes present in the Internet Routing Table: 74 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 15063808 Equivalent to 0 /8s, 229 /16s and 219 /24s Percentage of available LACNIC address space announced: 44.9 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1146 Total AfriNIC prefixes after maximum aggregation: 676 Prefixes being announced from the AfriNIC address blocks: 781 Unique aggregates announced from the AfriNIC address blocks: 584 AfriNIC Region origin ASes present in the Internet Routing Table: 90 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1865728 Equivalent to 0 /8s, 28 /16s and 120 /24s Percentage of available AfriNIC address space announced: 11.1 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 845 1075 613 Telstra Pty Ltd 4134 790 3660 144 Data Communications Bureau 4766 491 2896 264 Korea Internet Exchange for " 9583 451 34 138 Satyam Infoway Ltd., 4755 365 133 53 Videsh Sanchar Nigam Ltd. Aut 9443 353 69 78 Primus Telecommunications 2907 352 1841 329 SINET Japan 17676 341 5084 33 XTAGE CORPORATION 703 329 375 256 UUNET 17557 329 23 165 Pakistan Telecom 9929 323 156 33 China Netcom Corp. 2764 294 274 241 connect.com.au pty ltd 7474 263 267 206 Optus Communications Pty Ltd 9942 229 71 126 COMindico Australia 9800 224 367 62 CHINA UNICOM 9498 217 47 46 BHARTI BT INTERNET LTD. 4780 210 193 26 Digital United Inc. 17974 184 51 99 PT TELEKOMUNIKASI INDONESIA 4837 182 2019 105 chinanet IDC center beijing n 10036 181 17 169 C&M Communication Co. Ltd. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1435 6891 998 AT&T 701 1305 8493 930 UUNET Technologies, Inc. 1239 941 3002 637 Sprint 6347 938 400 98 SAVVIS Communications Corpora 3356 890 10900 674 Level 3 Communications, LLC 4323 737 549 205 Time Warner Communications, I 209 736 3457 504 Qwest 18566 710 192 8 Covad Communications 6197 703 499 286 BellSouth Network Solutions, 6198 572 440 219 BellSouth Network Solutions, 20115 556 369 287 Charter Communications 852 516 1142 405 Telus Advanced Communications 7843 506 652 128 Adelphia Corp. 7132 452 7868 338 Southwestern Bell Internet Se 2386 431 582 232 AT&T Data Communications Serv 705 395 144 270 UUNET Technologies, Inc. 4355 393 323 103 EarthLink, Inc. 22909 390 843 25 Comcast Cable Corporation 376 385 359 112 Reseau Interordinateurs Scien 22773 385 779 53 Cox Communications, Inc. Atla RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 646 2039 539 UUNET - Commercial IP service 3320 297 2462 237 Deutsche Telekom AG 3301 277 1097 266 TeliaNet Sweden 8220 274 429 262 COLT Internet - International 1257 251 497 197 SWIPnet Swedish IP Network 680 244 2025 239 DFN-IP service G-WiN 13083 216 51 8 Mannesmann Datenverarbeitung 3246 209 468 206 Song Networks 5515 199 843 144 Sonera Solution Autonomous Sy 8708 183 112 171 Romania Data Systems S.A. 719 179 288 102 LANLINK autonomous system 3215 178 895 69 France Telecom Transpac 786 174 1794 174 The JANET IP Service 25186 167 156 116 France Telecom Transpac's Tra 6746 158 29 127 Dynamic Network Technologies, 5400 144 206 119 BT Ignite European Backbone 3269 134 1099 64 TELECOM ITALIA 3303 132 611 132 Swisscom Ltd 12302 125 18 31 MobiFon S.A. 8866 120 14 8 Bulgarian Telecommunication C LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 11172 356 96 57 Servicios Alestra S.A de C.V 6140 345 140 67 ImpSat 8151 275 373 130 UniNet S.A. de C.V. 16814 203 13 7 NSS, S.A. 6147 160 82 21 Telefonica Del Peru 7303 145 53 31 Telecom Argentina Stet-France 6505 135 90 93 Global One Communicaoes Ltda 6503 130 218 88 AVANTEL, S.A. 11992 93 9 29 Integrated Systems 11556 87 57 24 Cable-Wireless Panama 6535 80 5 17 Chilesat Servicios Empresari 14420 76 5 32 ANDINATEL S.A. 14535 75 6 5 Techtel S.A. 15311 75 19 37 Telefonica Empresas 11311 73 7 20 Sinectis S.A. 5639 72 8 8 Telecommunications Services o 4270 71 18 9 Red de Interconexion Universi 14259 67 4 5 GTD Internet S.A. 10292 65 6 24 TELECOMMUNICATIONS OF JAMAICA 7080 64 4 1 Electronica y Comunicaciones AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 253 632 220 The Internet Solution 5536 111 16 4 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 89 276 79 The Internetworking Company o 11845 38 9 11 Data Pro Business Online 24835 31 18 6 RAYA Telecom - Egypt 9129 27 3 4 UUNET Kenya 5713 26 125 24 Telkom SA Ltd 16637 25 9 18 Johnnic e-Ventures 6713 24 38 9 Itissalat Al-MAGHRIB 8524 24 2 7 AUCEGYPT Autonomous System 12455 24 4 2 Jambonet Autonomous system 14988 24 16 1 Botswana Telecommunications C 10798 18 1 12 Standard Bank of South Africa 15706 16 2 3 Sudatel Internet Exchange Aut 12258 15 3 10 Vodacom Internet Company 8346 13 6 12 SONATEL-AS Autonomous System 17148 13 1 7 First National Bank 2609 12 26 4 Tunisia BackBone AS 15808 12 1 4 Communication Solutions Ltd i Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 6347 938 840 SAVVIS Communications Corpora 18566 710 702 Covad Communications 4134 790 646 Data Communications Bureau 4323 737 532 Time Warner Communications, I 6197 703 417 BellSouth Network Solutions, 7843 506 378 Adelphia Corp. 701 1305 375 UUNET Technologies, Inc. 5668 383 366 Century Telephone 22909 390 365 Comcast Cable Corporation 27364 376 357 Armstrong Cable Services 6198 572 353 BellSouth Network Solutions, 22773 385 332 Cox Communications, Inc. Atla 9583 451 313 Satyam Infoway Ltd., 4755 365 312 Videsh Sanchar Nigam Ltd. Aut 17676 341 308 XTAGE CORPORATION 1239 941 304 Sprint 11172 356 299 Servicios Alestra S.A de C.V 4355 393 290 EarthLink, Inc. 9929 323 290 China Netcom Corp. 6140 345 278 ImpSat List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm 18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm 65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone 65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 156.154.16.0/22 7786 Lockheed Martin IMS 158.0.0.0/13 568 DISO-UNRRA 164.234.0.0/18 721 DLA Systems Automation Center 164.234.0.0/16 721 DLA Systems Automation Center 192.43.230.0/24 4738 South Australian Academic Res 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 721 DLA Systems Automation Center 192.172.11.0/24 721 DLA Systems Automation Center Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:3 /10:6 /11:15 /12:59 /13:124 /14:299 /15:518 /16:7856 /17:2058 /18:3620 /19:9410 /20:9896 /21:7260 /22:10328 /23:11735 /24:76506 /25:230 /26:252 /27:140 /28:31 /29:14 /30:69 /31:0 /32:14 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6347 715 938 SAVVIS Communications Corpora 18566 693 710 Covad Communications 7018 554 1435 AT&T 6197 534 703 BellSouth Network Solutions, 3356 504 890 Level 3 Communications, LLC 6198 401 572 BellSouth Network Solutions, 702 398 646 UUNET - Commercial IP service 701 373 1305 UUNET Technologies, Inc. 1239 373 941 Sprint 27364 364 376 Armstrong Cable Services 5668 335 383 Century Telephone 4766 312 491 Korea Internet Exchange for " 9583 302 451 Satyam Infoway Ltd., 20115 295 556 Charter Communications 9929 256 323 China Netcom Corp. 14824 255 281 NewSouth Communications Corp. 3320 247 297 Deutsche Telekom AG 690 246 282 Merit Network 25844 244 244 Skadden, Arps, Slate, Meagher 13609 237 278 Choice One Communications Inc Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:826 13:1 15:5 16:2 17:3 20:8 24:749 32:65 33:1 38:70 40:54 44:3 55:1 56:3 57:16 61:427 62:501 63:1820 64:1965 65:1996 66:2609 67:329 68:497 69:557 70:64 80:494 81:309 82:174 83:68 84:2 128:145 129:186 130:79 131:177 132:21 133:1 134:181 135:17 136:182 137:92 138:154 139:44 140:164 141:125 142:117 143:47 144:89 145:42 146:303 147:78 148:418 149:120 150:91 151:72 152:165 153:64 154:1 155:117 156:60 157:60 158:144 159:147 160:52 161:57 162:380 163:77 164:179 165:156 166:94 167:217 168:223 169:106 170:285 171:8 192:5560 193:2752 194:2026 195:1374 196:558 198:3715 199:3095 200:3491 201:8 202:4636 203:5603 204:3098 205:2068 206:2283 207:2493 208:2227 209:2921 210:1425 211:566 212:977 213:1192 214:62 215:30 216:3686 217:927 218:164 219:108 220:228 221:28 222:46 End of report

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The Cidr Report
by cidr-report＠potaroo.net 11 Jun '04

11 Jun '04

This report has been generated at Fri Jun 11 21:43:32 2004 AEST. The report analyses the BGP Routing Table of an AS4637 (Reach) router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as4637 for a current version of this report. Recent Table History Date Prefixes CIDR Agg 04-06-04 137884 95186 05-06-04 136784 95165 06-06-04 136790 95427 07-06-04 137242 95750 08-06-04 137787 95839 09-06-04 137594 95788 10-06-04 137680 95901 11-06-04 137772 95814 AS Summary 17314 Number of ASes in routing system 7019 Number of ASes announcing only one prefix 1414 Largest number of prefixes announced by an AS AS7018 : ATTW AT&T WorldNet Services 64935424 Largest address span announced by an AS (/32s) AS568 : DISOUN DISO-UNRRA Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 11Jun04 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 137806 95798 42008 30.5% All ASes AS6347 940 160 780 83.0% SAVV SAVVIS Communications Corporation AS4134 738 158 580 78.6% CHINANET-BACKBONE No.31,Jin-rong Street AS18566 710 169 541 76.2% CVAD Covad Communications AS4323 736 205 531 72.1% TWTC Time Warner Telecom AS7018 1414 979 435 30.8% ATTW AT&T WorldNet Services AS6197 702 321 381 54.3% BNS-14 BellSouth Network Solutions, Inc AS7843 506 128 378 74.7% ADELPH-13 Adelphia Corp. AS701 1288 922 366 28.4% UU UUNET Technologies, Inc. AS22909 390 33 357 91.5% CMCS Comcast Cable Communications, Inc. AS27364 376 38 338 89.9% ARMC Armstrong Cable Services AS6198 568 233 335 59.0% BNS-14 BellSouth Network Solutions, Inc AS22773 385 61 324 84.2% CXAB Cox Communications Inc. Atlanta AS1239 944 639 305 32.3% SPRN Sprint AS11172 354 56 298 84.2% Servicios Alestra S.A de C.V AS17676 339 50 289 85.3% JPNIC-JP-ASN-BLOCK Japan Network Information Center AS9929 316 33 283 89.6% CNCNET-CN China Netcom Corp. AS4355 381 99 282 74.0% ERSD EARTHLINK, INC AS6478 305 48 257 84.3% ATTW AT&T WorldNet Services AS6140 390 157 233 59.7% IMPSA ImpSat AS209 739 507 232 31.4% QWEST-4 Qwest AS1221 849 617 232 27.3% ASN-TELSTRA Telstra Pty Ltd AS14654 233 5 228 97.9% WAYPOR-3 Wayport AS25844 243 16 227 93.4% SASMFL-2 Skadden, Arps, Slate, Meagher & Flom LLP AS9583 453 228 225 49.7% SATYAMNET-AS Satyam Infoway Ltd., AS3356 890 675 215 24.2% LEVEL3 Level 3 Communications AS4766 476 264 212 44.5% KIX Korea Internet Exchange for "96 World Internet Exposition AS9443 357 155 202 56.6% INTERNETPRIMUS-AS-AP Primus Telecommunications AS2386 431 234 197 45.7% ADCS-1 AT&T Data Communications Services AS5668 383 192 191 49.9% CIH-12 CenturyTel Internet Holdings, Inc. AS6327 208 28 180 86.5% SHAWC-2 Shaw Communications Inc. Total 17044 7410 9634 56.5% Top 30 total Possible Bogus Routes 24.138.80.0/20 AS11260 AHSICHCL Andara High Speed Internet c/o Halifax Cable Ltd. 24.246.0.0/17 AS7018 ATTW AT&T WorldNet Services 24.246.128.0/18 AS7018 ATTW AT&T WorldNet Services 64.46.4.0/22 AS11711 TULARO TULAROSA COMMUNICATIONS 64.46.12.0/24 AS7850 IHIGHW iHighway.net, Inc. 64.46.27.0/24 AS8674 NETNOD-IX Netnod Internet Exchange Sverige AB 64.46.34.0/24 AS3408 64.46.63.0/24 AS7850 IHIGHW iHighway.net, Inc. 66.114.0.0/19 AS16526 BIRCHT Birch Telecom, Inc. 69.26.32.0/19 AS17307 VIRTEL-15 Virtela Communications 132.0.0.0/10 AS568 DISOUN DISO-UNRRA 137.0.0.0/13 AS568 DISOUN DISO-UNRRA 138.136.0.0/13 AS568 DISOUN DISO-UNRRA 158.0.0.0/13 AS568 DISOUN DISO-UNRRA 192.30.93.0/24 AS17757 HPAUS-AP HP Australia 192.30.94.0/24 AS17757 HPAUS-AP HP Australia 192.30.127.0/24 AS719 LANLINK Elisa Oyj 192.40.105.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.43.230.0/24 AS4738 SAARDNET-AS South Australian Academic Research and Development Network 192.44.0.0/19 AS702 AS702 MCI EMEA 192.81.182.0/24 AS719 LANLINK Elisa Oyj 192.81.183.0/24 AS719 LANLINK Elisa Oyj 192.81.184.0/24 AS719 LANLINK Elisa Oyj 192.119.135.0/24 AS270 NASA National Aeronautics and Space Administration 192.124.252.0/22 AS680 DFN-IP service G-WiN 192.133.6.0/24 AS4004 GLOBALONE-EQUANT-UK Equant UK & Greece Autonomous System 192.135.50.0/24 AS7018 ATTW AT&T WorldNet Services 192.136.71.0/24 AS719 LANLINK Elisa Oyj 192.136.79.0/24 AS719 LANLINK Elisa Oyj 192.153.144.0/21 AS721 DNIC DoD Network Information Center 192.172.0.0/19 AS721 DNIC DoD Network Information Center 192.188.208.0/20 AS721 DNIC DoD Network Information Center 192.243.32.0/23 AS2044 PALINA Palin Aquisitions Inc. 198.23.26.0/24 AS4390 BELLAT-7 Bell Atlantic, Inc. 198.97.72.0/21 AS568 DISOUN DISO-UNRRA 198.97.80.0/20 AS568 DISOUN DISO-UNRRA 198.97.88.0/24 AS89 NUSC-1 Naval Underwater Systems Center 198.97.240.0/20 AS568 DISOUN DISO-UNRRA 198.97.247.0/24 AS3475 DEPART-52 Department of the Navy 198.101.4.0/22 AS568 DISOUN DISO-UNRRA 198.136.32.0/20 AS19329 MCBCC Martin County Board of County Commissioners 198.144.32.0/19 AS3998 CITY CityNet, Inc. 198.161.87.0/24 AS6539 GTGR GT Group Telecom Services Corp. 198.161.165.0/24 AS852 AGTA Telus Advanced Communications 198.163.155.0/24 AS684 MRN Manitoba Regional Network 198.167.0.0/16 AS7456 INS-51 Interhop Network SERVICES Inc. 198.167.163.0/24 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 198.168.0.0/16 AS701 UU UUNET Technologies, Inc. 198.169.0.0/16 AS803 SASK SaskTel 198.232.133.0/24 AS23075 SKOTOS Skotos Tech, Inc 199.10.0.0/16 AS568 DISOUN DISO-UNRRA 199.60.0.0/20 AS271 UBC-3 University of British Columbia 199.84.0.0/16 AS701 UU UUNET Technologies, Inc. 199.114.0.0/18 AS568 DISOUN DISO-UNRRA 199.114.0.0/21 AS568 DISOUN DISO-UNRRA 199.114.128.0/18 AS568 DISOUN DISO-UNRRA 199.114.130.0/24 AS721 DNIC DoD Network Information Center 199.114.132.0/24 AS721 DNIC DoD Network Information Center 199.114.136.0/24 AS1913 DLA-8 Defense Logistics Agency 199.114.138.0/24 AS721 DNIC DoD Network Information Center 199.114.140.0/24 AS3544 DISAUN DISA/UNRRA 199.114.142.0/24 AS721 DNIC DoD Network Information Center 199.114.144.0/24 AS721 DNIC DoD Network Information Center 199.114.148.0/24 AS721 DNIC DoD Network Information Center 199.114.150.0/24 AS721 DNIC DoD Network Information Center 199.114.152.0/24 AS1913 DLA-8 Defense Logistics Agency 199.114.154.0/24 AS1733 ADP-41 AF DDN PMO 199.114.156.0/24 AS1913 DLA-8 Defense Logistics Agency 199.114.160.0/24 AS1733 ADP-41 AF DDN PMO 199.120.32.0/19 AS16582 NXLI NEXTLEVEL INTERNET, INC. 199.121.0.0/16 AS568 DISOUN DISO-UNRRA 199.123.0.0/18 AS568 DISOUN DISO-UNRRA 199.123.16.0/20 AS568 DISOUN DISO-UNRRA 199.123.80.0/21 AS568 DISOUN DISO-UNRRA 199.189.32.0/19 AS7332 IQUEST IQuest Internet 199.197.8.0/22 AS21814 PARSON-18 Parsons Corp. 199.202.0.0/16 AS701 UU UUNET Technologies, Inc. 202.47.1.0/24 AS7491 PI-PH-AS-AP PI-PHILIPINES 202.70.0.0/20 AS4658 NETFRONT-AS NETFRONT I.T. LIMITED (HONG KONG) 202.70.28.0/24 AS4515 ERX-STAR Star Internet Services Ltd. 202.73.128.0/22 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 202.86.142.0/24 AS30362 HAWAI-1 Hawaii-Pacific Teleport 202.93.0.0/20 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.123.96.0/20 AS9288 COMCEN-AS-AP Com-Cen Pty Ltd 202.133.3.0/24 AS9335 CIP-JAPAN-AS-AP ATT IPlus 202.141.160.0/24 AS9237 HUTCHCA-AS BTN Access Limited 202.141.190.0/24 AS10026 ANC Asia Netcom Corporation 202.141.191.0/24 AS4637 REACH Reach Network Border AS 202.164.224.0/19 AS7599 IPXC-AS-AP IP Exchange 203.32.4.0/23 AS7617 203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet) 203.132.107.0/24 AS10236 FOXGOLD-NET-AU-AP FOXGOLD COMMUNICATIONS 204.69.144.0/22 AS5668 CIH-12 CenturyTel Internet Holdings, Inc. 204.154.125.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.126.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.127.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.194.110.0/23 AS30653 EXOBI Exobit Networks Inc. 205.150.0.0/15 AS701 UU UUNET Technologies, Inc. 205.159.72.0/24 AS1660 ANSCOM-5 ANS Communications 206.41.32.0/19 AS14824 NCC-105 NewSouth Communications Corp. 206.81.187.0/24 AS19194 SNL-8 Sentris Network LLC 206.167.57.0/24 AS376 RISQR-3 Reseau Interordinateurs Scientique Quebecois (RISQ) 206.191.64.0/18 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 206.251.69.0/24 AS27429 TIL-33 Telesat International Ltd. 206.253.190.0/23 AS8123 POLYBA Polybase 207.231.96.0/19 AS11194 NUNETI NuNet Inc 208.81.187.0/24 AS19194 SNL-8 Sentris Network LLC 209.169.219.0/24 AS189 GNTY Genuity 209.169.223.0/24 AS189 GNTY Genuity 209.172.0.0/18 AS7770 TRTI Triton Technologies, Inc. 209.205.69.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.70.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.81.0/24 AS15066 SkyNet de Colombia S.A. 209.205.82.0/24 AS15066 SkyNet de Colombia S.A. 209.205.84.0/24 AS15066 SkyNet de Colombia S.A. 209.213.32.0/19 AS10629 INS-52 Inter-Pacific Network Services 209.213.50.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.51.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.55.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.56.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.222.137.0/24 AS27429 TIL-33 Telesat International Ltd. 209.251.0.0/19 AS11036 SISCOM-1 SISCOM, Inc 216.18.224.0/21 AS11458 IMBRIS-1 IMBRIS, INC. 216.18.224.0/22 AS11458 IMBRIS-1 IMBRIS, INC. 216.18.228.0/22 AS11458 IMBRIS-1 IMBRIS, INC. 216.96.128.0/18 AS7018 ATTW AT&T WorldNet Services 216.145.130.0/24 AS11937 TRXI TRX Inc. 216.145.132.0/24 AS11937 TRXI TRX Inc. 216.145.133.0/24 AS11937 TRXI TRX Inc. 216.145.134.0/24 AS11937 TRXI TRX Inc. 216.145.135.0/24 AS11937 TRXI TRX Inc. 216.145.152.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.156.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.158.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.176.0/21 AS20304 JIS-32 JVLNET Internet Services 216.145.177.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.178.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.184.0/21 AS10758 INWAVE INWave Internet, Inc 216.145.200.0/21 AS20304 JIS-32 JVLNET Internet Services 216.186.151.0/24 AS3356 LEVEL3 Level 3 Communications 216.186.152.0/21 AS3356 LEVEL3 Level 3 Communications 216.186.160.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.164.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.192.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.198.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.248.0/23 AS3356 LEVEL3 Level 3 Communications 222.196.0.0/15 AS4538 ERX-CERNET-BKB China Education and Research Network Center 222.198.0.0/16 AS4538 ERX-CERNET-BKB China Education and Research Network Center Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org swinog(a)swinog.ch

1 0

Weekly Routing Table Report
by Routing Table Analysis 04 Jun '04

04 Jun '04

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats(a)lists.apnic.net If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 04:00 +10GMT Sat 05 Jun, 2004 Analysis Summary ---------------- BGP routing table entries examined: 139469 Prefixes after maximum aggregation: 84430 Unique aggregates announced to Internet: 67528 Total ASes present in the Internet Routing Table: 17353 Origin-only ASes present in the Internet Routing Table: 15053 Origin ASes announcing only one prefix: 6983 Transit ASes present in the Internet Routing Table: 2300 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 26 Illegal AS announcements present in the Routing Table: 40 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1310401276 Equivalent to 78 /8s, 27 /16s and 34 /24s Percentage of available address space announced: 35.4 Percentage of allocated address space announced: 58.0 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 63536 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 26670 Total APNIC prefixes after maximum aggregation: 13804 Prefixes being announced from the APNIC address blocks: 24963 Unique aggregates announced from the APNIC address blocks: 13786 APNIC Region origin ASes present in the Internet Routing Table: 2061 APNIC Region origin ASes announcing only one prefix: 611 APNIC Region transit ASes present in the Internet Routing Table: 338 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 149554944 Equivalent to 8 /8s, 234 /16s and 7 /24s Percentage of available APNIC address space announced: 68.2 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 79860 Total ARIN prefixes after maximum aggregation: 49412 Prefixes being announced from the ARIN address blocks: 61823 Unique aggregates announced from the ARIN address blocks: 21752 ARIN Region origin ASes present in the Internet Routing Table: 9230 ARIN Region origin ASes announcing only one prefix: 3276 ARIN Region transit ASes present in the Internet Routing Table: 904 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 224988448 Equivalent to 13 /8s, 105 /16s and 13 /24s Percentage of available ARIN address space announced: 74.5 ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106 2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153 3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466 7723 - 8191, 10240 - 12287, 13312 - 15359 16384 - 17407, 18432 - 20479, 21504 - 23551 25600 - 26591, 26624 - 27647, 29695 - 30719 31744 - 33791 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 25669 Total RIPE prefixes after maximum aggregation: 18292 Prefixes being announced from the RIPE address blocks: 22467 Unique aggregates announced from the RIPE address blocks: 14965 RIPE Region origin ASes present in the Internet Routing Table: 5517 RIPE Region origin ASes announcing only one prefix: 2966 RIPE Region transit ASes present in the Internet Routing Table: 943 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 163464704 Equivalent to 9 /8s, 190 /16s and 70 /24s Percentage of available RIPE address space announced: 57.3 RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614 2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631 6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383 20480 - 21503, 24576 - 25599, 28672 - 29695 30720 - 31743 RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 6097 Total LACNIC prefixes after maximum aggregation: 2248 Prefixes being announced from the LACNIC address blocks: 5710 Unique aggregates announced from the LACNIC address blocks: 3490 LACNIC Region origin ASes present in the Internet Routing Table: 381 LACNIC Region origin ASes announcing only one prefix: 108 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 14994944 Equivalent to 0 /8s, 228 /16s and 206 /24s Percentage of available LACNIC address space announced: 44.7 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1138 Total AfriNIC prefixes after maximum aggregation: 674 Prefixes being announced from the AfriNIC address blocks: 776 Unique aggregates announced from the AfriNIC address blocks: 582 AfriNIC Region origin ASes present in the Internet Routing Table: 91 AfriNIC Region origin ASes announcing only one prefix: 22 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 1865216 Equivalent to 0 /8s, 28 /16s and 118 /24s Percentage of available AfriNIC address space announced: 11.1 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 848 1091 613 Telstra Pty Ltd 4134 790 3660 144 Data Communications Bureau 4766 491 2896 264 Korea Internet Exchange for " 9583 464 40 86 Satyam Infoway Ltd., 4755 366 133 53 Videsh Sanchar Nigam Ltd. Aut 9443 355 69 79 Primus Telecommunications 2907 352 1841 329 SINET Japan 17676 341 5084 33 XTAGE CORPORATION 17557 330 23 165 Pakistan Telecom 703 329 375 256 UUNET 9929 323 156 33 China Netcom Corp. 2764 295 274 241 connect.com.au pty ltd 7474 264 268 207 Optus Communications Pty Ltd 9942 230 71 127 COMindico Australia 9800 225 367 62 CHINA UNICOM 9498 216 47 46 BHARTI BT INTERNET LTD. 4780 209 193 26 Digital United Inc. 4837 182 2019 105 chinanet IDC center beijing n 17974 182 35 105 PT TELEKOMUNIKASI INDONESIA 10036 180 16 168 C&M Communication Co. Ltd. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1437 6889 1000 AT&T 701 1315 8513 941 UUNET Technologies, Inc. 6347 939 398 98 SAVVIS Communications Corpora 1239 937 3000 636 Sprint 3356 888 10900 672 Level 3 Communications, LLC 209 734 3458 501 Qwest 4323 732 547 203 Time Warner Communications, I 6197 712 525 275 BellSouth Network Solutions, 18566 708 192 8 Covad Communications 6198 570 440 218 BellSouth Network Solutions, 20115 555 367 288 Charter Communications 852 512 1142 403 Telus Advanced Communications 7843 506 650 120 Adelphia Corp. 7132 449 7851 335 Southwestern Bell Internet Se 2386 430 582 231 AT&T Data Communications Serv 705 394 144 269 UUNET Technologies, Inc. 4355 393 323 103 EarthLink, Inc. 22909 390 843 25 Comcast Cable Corporation 376 383 359 112 Reseau Interordinateurs Scien 5668 380 71 17 Century Telephone RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 645 2055 540 UUNET - Commercial IP service 3320 297 2477 237 Deutsche Telekom AG 3301 274 1097 264 TeliaNet Sweden 8220 274 430 262 COLT Internet - International 680 244 2025 239 DFN-IP service G-WiN 1257 244 495 195 SWIPnet Swedish IP Network 13083 216 51 8 Mannesmann Datenverarbeitung 3246 209 468 206 Song Networks 5515 198 779 143 Sonera Solution Autonomous Sy 719 180 288 102 LANLINK autonomous system 3215 176 831 68 France Telecom Transpac 8708 176 111 165 Romania Data Systems S.A. 25186 175 156 116 France Telecom Transpac's Tra 786 173 1794 173 The JANET IP Service 6746 156 29 127 Dynamic Network Technologies, 5400 145 207 121 BT Ignite European Backbone 3269 134 1099 64 TELECOM ITALIA 3303 132 611 132 Swisscom Ltd 12302 123 18 29 MobiFon S.A. 8866 119 13 7 Bulgarian Telecommunication C LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 11172 353 80 55 Servicios Alestra S.A de C.V 6140 346 140 67 ImpSat 8151 272 373 130 UniNet S.A. de C.V. 16814 203 13 7 NSS, S.A. 6147 160 82 21 Telefonica Del Peru 7303 143 53 32 Telecom Argentina Stet-France 6505 134 90 92 Global One Communicaoes Ltda 6503 129 218 89 AVANTEL, S.A. 11992 101 9 28 Integrated Systems 11556 87 57 24 Cable-Wireless Panama 6535 79 5 16 Chilesat Servicios Empresari 14535 75 6 5 Techtel S.A. 15311 75 19 37 Telefonica Empresas 11311 73 7 20 Sinectis S.A. 5639 72 8 8 Telecommunications Services o 4270 71 18 9 Red de Interconexion Universi 14420 71 5 32 ANDINATEL S.A. 14259 67 4 5 GTD Internet S.A. 10292 66 6 25 TELECOMMUNICATIONS OF JAMAICA 7080 64 4 1 Electronica y Comunicaciones AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 252 632 219 The Internet Solution 5536 108 8 3 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 88 276 78 The Internetworking Company o 11845 37 9 11 Data Pro Business Online 24835 30 18 6 RAYA Telecom - Egypt 5713 26 125 24 Telkom SA Ltd 9129 26 3 4 UUNET Kenya 16637 25 9 18 Johnnic e-Ventures 6713 24 38 9 Itissalat Al-MAGHRIB 8524 24 2 7 AUCEGYPT Autonomous System 12455 24 4 2 Jambonet Autonomous system 14988 24 16 1 Botswana Telecommunications C 10798 18 1 12 Standard Bank of South Africa 15706 16 2 3 Sudatel Internet Exchange Aut 12258 15 3 10 Vodacom Internet Company 8346 13 6 12 SONATEL-AS Autonomous System 17148 13 1 7 First National Bank 2609 12 26 4 Tunisia BackBone AS 15808 12 1 4 Communication Solutions Ltd i Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 6347 939 841 SAVVIS Communications Corpora 18566 708 700 Covad Communications 4134 790 646 Data Communications Bureau 4323 732 529 Time Warner Communications, I 6197 712 437 BellSouth Network Solutions, 7843 506 386 Adelphia Corp. 9583 464 378 Satyam Infoway Ltd., 701 1315 374 UUNET Technologies, Inc. 22909 390 365 Comcast Cable Corporation 5668 380 363 Century Telephone 6198 570 352 BellSouth Network Solutions, 27364 360 341 Armstrong Cable Services 22773 378 328 Cox Communications, Inc. Atla 4755 366 313 Videsh Sanchar Nigam Ltd. Aut 17676 341 308 XTAGE CORPORATION 1239 937 301 Sprint 11172 353 298 Servicios Alestra S.A de C.V 4355 393 290 EarthLink, Inc. 9929 323 290 China Netcom Corp. 6140 346 279 ImpSat List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64512 PRIVATE 61.17.25.0/24 10199 DishnetDSL Limited 18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm 18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm 64601 PRIVATE 61.233.0.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.1.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.2.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.3.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.4.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.5.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.6.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.7.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.8.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.10.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.11.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.12.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.14.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.15.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.16.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.17.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.18.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.19.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.20.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.21.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.22.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.23.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.24.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.25.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.26.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.27.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.28.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.29.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.30.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.31.0/24 9394 CHINA RAILWAY Intern 65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone 65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 65502 PRIVATE 203.97.150.0/24 7714 TelstraClear 18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 156.154.16.0/22 7786 Lockheed Martin IMS 158.0.0.0/13 568 DISO-UNRRA 164.234.0.0/18 721 DLA Systems Automation Center 164.234.0.0/16 721 DLA Systems Automation Center 192.43.230.0/24 4738 South Australian Academic Res 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 568 DISO-UNRRA 192.172.11.0/24 721 DLA Systems Automation Center Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:3 /10:6 /11:15 /12:59 /13:124 /14:298 /15:513 /16:7769 /17:2044 /18:3616 /19:9416 /20:9889 /21:7232 /22:10282 /23:11635 /24:75799 /25:225 /26:259 /27:138 /28:31 /29:15 /30:68 /31:0 /32:14 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6347 716 939 SAVVIS Communications Corpora 18566 691 708 Covad Communications 7018 554 1437 AT&T 6197 541 712 BellSouth Network Solutions, 3356 504 888 Level 3 Communications, LLC 6198 399 570 BellSouth Network Solutions, 702 396 645 UUNET - Commercial IP service 701 372 1315 UUNET Technologies, Inc. 1239 369 937 Sprint 27364 348 360 Armstrong Cable Services 5668 332 380 Century Telephone 4766 312 491 Korea Internet Exchange for " 9583 303 464 Satyam Infoway Ltd., 20115 295 555 Charter Communications 9929 256 323 China Netcom Corp. 14824 251 276 NewSouth Communications Corp. 690 246 282 Merit Network 3320 246 297 Deutsche Telekom AG 25844 244 244 Skadden, Arps, Slate, Meagher 6517 236 262 Yipes Communications, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:817 13:1 15:5 16:2 17:3 20:8 24:730 32:101 38:67 40:54 44:3 55:1 56:3 57:16 61:419 62:477 63:1820 64:1956 65:2005 66:2575 67:321 68:526 69:542 70:64 80:489 81:303 82:174 83:66 128:146 129:186 130:82 131:132 132:18 133:1 134:181 135:17 136:186 137:92 138:157 139:41 140:164 141:125 142:116 143:54 144:88 145:42 146:300 147:76 148:418 149:122 150:93 151:71 152:165 153:62 154:1 155:117 156:62 157:60 158:144 159:146 160:54 161:58 162:378 163:76 164:164 165:161 166:100 167:219 168:222 169:106 170:285 171:8 192:5541 193:2745 194:2022 195:1366 196:555 198:3690 199:3055 200:3470 201:7 202:4577 203:5605 204:3057 205:1991 206:2264 207:2455 208:2232 209:2886 210:1421 211:565 212:983 213:1182 214:58 215:29 216:3488 217:943 218:163 219:108 220:229 221:25 222:40 End of report

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The Cidr Report
by cidr-report＠potaroo.net 04 Jun '04

04 Jun '04

This report has been generated at Fri Jun 4 21:43:44 2004 AEST. The report analyses the BGP Routing Table of an AS4637 (Reach) router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as4637 for a current version of this report. Recent Table History Date Prefixes CIDR Agg 28-05-04 136044 96273 29-05-04 137423 96268 30-05-04 137948 96174 31-05-04 137863 96101 01-06-04 137984 96125 02-06-04 137818 96104 03-06-04 137774 96139 04-06-04 137884 95196 AS Summary 17255 Number of ASes in routing system 6964 Number of ASes announcing only one prefix 1420 Largest number of prefixes announced by an AS AS7018 : ATTW AT&T WorldNet Services 73559296 Largest address span announced by an AS (/32s) AS568 : DISOUN DISO-UNRRA Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 04Jun04 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 136767 95172 41595 30.4% All ASes AS6347 940 160 780 83.0% SAVV SAVVIS Communications Corporation AS4134 738 158 580 78.6% CHINANET-BACKBONE No.31,Jin-rong Street AS18566 708 169 539 76.1% CVAD Covad Communications AS4323 731 204 527 72.1% TWTC Time Warner Telecom AS7018 1420 985 435 30.6% ATTW AT&T WorldNet Services AS6197 709 321 388 54.7% BNS-14 BellSouth Network Solutions, Inc AS701 1297 932 365 28.1% UU UUNET Technologies, Inc. AS9583 464 105 359 77.4% SATYAMNET-AS Satyam Infoway Ltd., AS7843 499 142 357 71.5% ADELPH-13 Adelphia Corp. AS22909 390 33 357 91.5% CMCS Comcast Cable Communications, Inc. AS6198 566 232 334 59.0% BNS-14 BellSouth Network Solutions, Inc AS22773 378 58 320 84.7% CXAB Cox Communications Inc. Atlanta AS27364 360 44 316 87.8% ARMC Armstrong Cable Services AS1239 941 639 302 32.1% SPRN Sprint AS11172 351 56 295 84.0% Servicios Alestra S.A de C.V AS17676 339 50 289 85.3% JPNIC-JP-ASN-BLOCK Japan Network Information Center AS9929 316 33 283 89.6% CNCNET-CN China Netcom Corp. AS4355 381 99 282 74.0% ERSD EARTHLINK, INC AS6140 390 129 261 66.9% IMPSA ImpSat AS6478 305 48 257 84.3% ATTW AT&T WorldNet Services AS1221 852 617 235 27.6% ASN-TELSTRA Telstra Pty Ltd AS209 737 503 234 31.8% QWEST-4 Qwest AS25844 243 16 227 93.4% SASMFL-2 Skadden, Arps, Slate, Meagher & Flom LLP AS14654 230 5 225 97.8% WAYPOR-3 Wayport AS3356 886 673 213 24.0% LEVEL3 Level 3 Communications AS4766 476 264 212 44.5% KIX Korea Internet Exchange for "96 World Internet Exposition AS9443 359 156 203 56.5% INTERNETPRIMUS-AS-AP Primus Telecommunications AS2386 430 233 197 45.8% ADCS-1 AT&T Data Communications Services AS5668 380 196 184 48.4% CIH-12 CenturyTel Internet Holdings, Inc. AS6327 208 28 180 86.5% SHAWC-2 Shaw Communications Inc. Total 17024 7288 9736 57.2% Top 30 total Possible Bogus Routes 24.138.80.0/20 AS11260 AHSICHCL Andara High Speed Internet c/o Halifax Cable Ltd. 24.246.0.0/17 AS7018 ATTW AT&T WorldNet Services 24.246.128.0/18 AS7018 ATTW AT&T WorldNet Services 64.46.4.0/22 AS11711 TULARO TULAROSA COMMUNICATIONS 64.46.12.0/24 AS7850 IHIGHW iHighway.net, Inc. 64.46.27.0/24 AS8674 NETNOD-IX Netnod Internet Exchange Sverige AB 64.46.34.0/24 AS3408 64.46.63.0/24 AS7850 IHIGHW iHighway.net, Inc. 66.114.0.0/19 AS16526 BIRCHT Birch Telecom, Inc. 69.26.32.0/19 AS17307 VIRTEL-15 Virtela Communications 132.0.0.0/10 AS568 DISOUN DISO-UNRRA 137.0.0.0/13 AS568 DISOUN DISO-UNRRA 138.136.0.0/13 AS568 DISOUN DISO-UNRRA 158.0.0.0/13 AS568 DISOUN DISO-UNRRA 192.30.93.0/24 AS17757 HPAUS-AP HP Australia 192.30.94.0/24 AS17757 HPAUS-AP HP Australia 192.30.127.0/24 AS719 LANLINK Elisa Oyj 192.40.105.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.43.230.0/24 AS4738 SAARDNET-AS South Australian Academic Research and Development Network 192.44.0.0/19 AS702 AS702 MCI EMEA 192.81.182.0/24 AS719 LANLINK Elisa Oyj 192.81.183.0/24 AS719 LANLINK Elisa Oyj 192.81.184.0/24 AS719 LANLINK Elisa Oyj 192.119.135.0/24 AS270 NASA National Aeronautics and Space Administration 192.124.252.0/22 AS680 DFN-IP service G-WiN 192.133.6.0/24 AS4004 GLOBALONE-EQUANT-UK Equant UK & Greece Autonomous System 192.135.50.0/24 AS7018 ATTW AT&T WorldNet Services 192.136.71.0/24 AS719 LANLINK Elisa Oyj 192.136.79.0/24 AS719 LANLINK Elisa Oyj 192.153.144.0/21 AS568 DISOUN DISO-UNRRA 192.172.0.0/19 AS568 DISOUN DISO-UNRRA 192.188.208.0/20 AS568 DISOUN DISO-UNRRA 192.243.32.0/23 AS2044 PALINA Palin Aquisitions Inc. 198.23.26.0/24 AS4390 BELLAT-7 Bell Atlantic, Inc. 198.97.72.0/21 AS568 DISOUN DISO-UNRRA 198.97.80.0/20 AS568 DISOUN DISO-UNRRA 198.97.88.0/24 AS89 NUSC-1 Naval Underwater Systems Center 198.97.192.0/20 AS568 DISOUN DISO-UNRRA 198.97.240.0/20 AS568 DISOUN DISO-UNRRA 198.97.247.0/24 AS3475 DEPART-52 Department of the Navy 198.101.4.0/22 AS568 DISOUN DISO-UNRRA 198.136.32.0/20 AS19329 MCBCC Martin County Board of County Commissioners 198.144.32.0/19 AS3998 CITY CityNet, Inc. 198.161.87.0/24 AS6539 GTGR GT Group Telecom Services Corp. 198.161.165.0/24 AS852 AGTA Telus Advanced Communications 198.163.155.0/24 AS684 MRN Manitoba Regional Network 198.167.0.0/16 AS7456 INS-51 Interhop Network SERVICES Inc. 198.167.163.0/24 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 198.168.0.0/16 AS701 UU UUNET Technologies, Inc. 198.169.0.0/16 AS803 SASK SaskTel 198.232.133.0/24 AS23075 SKOTOS Skotos Tech, Inc 199.10.0.0/16 AS568 DISOUN DISO-UNRRA 199.60.0.0/20 AS271 UBC-3 University of British Columbia 199.84.0.0/16 AS701 UU UUNET Technologies, Inc. 199.114.0.0/18 AS568 DISOUN DISO-UNRRA 199.114.0.0/21 AS568 DISOUN DISO-UNRRA 199.114.128.0/18 AS568 DISOUN DISO-UNRRA 199.114.130.0/24 AS721 DNIC DoD Network Information Center 199.114.132.0/24 AS721 DNIC DoD Network Information Center 199.114.136.0/24 AS1913 DLA-8 Defense Logistics Agency 199.114.138.0/24 AS721 DNIC DoD Network Information Center 199.114.140.0/24 AS3544 DISAUN DISA/UNRRA 199.114.142.0/24 AS721 DNIC DoD Network Information Center 199.114.144.0/24 AS721 DNIC DoD Network Information Center 199.114.148.0/24 AS721 DNIC DoD Network Information Center 199.114.150.0/24 AS721 DNIC DoD Network Information Center 199.114.152.0/24 AS1913 DLA-8 Defense Logistics Agency 199.114.154.0/24 AS1733 ADP-41 AF DDN PMO 199.114.156.0/24 AS1913 DLA-8 Defense Logistics Agency 199.114.160.0/24 AS1733 ADP-41 AF DDN PMO 199.120.32.0/19 AS16582 NXLI NEXTLEVEL INTERNET, INC. 199.121.0.0/16 AS568 DISOUN DISO-UNRRA 199.123.0.0/18 AS568 DISOUN DISO-UNRRA 199.123.16.0/20 AS568 DISOUN DISO-UNRRA 199.123.80.0/21 AS568 DISOUN DISO-UNRRA 199.189.32.0/19 AS7332 IQUEST IQuest Internet 199.197.8.0/22 AS21814 PARSON-18 Parsons Corp. 199.202.0.0/16 AS701 UU UUNET Technologies, Inc. 202.2.64.0/20 AS9729 IS-AP iAdvantage Limited 202.47.1.0/24 AS7491 PI-PH-AS-AP PI-PHILIPINES 202.70.0.0/20 AS4658 NETFRONT-AS NETFRONT I.T. LIMITED (HONG KONG) 202.70.28.0/24 AS4515 ERX-STAR Star Internet Services Ltd. 202.73.128.0/22 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 202.86.142.0/24 AS30362 HAWAI-1 Hawaii-Pacific Teleport 202.93.0.0/20 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.123.96.0/20 AS9288 COMCEN-AS-AP Com-Cen Pty Ltd 202.133.3.0/24 AS9335 CIP-JAPAN-AS-AP ATT IPlus 202.141.160.0/24 AS9237 HUTCHCA-AS BTN Access Limited 202.141.190.0/24 AS10026 ANC Asia Netcom Corporation 202.141.191.0/24 AS4637 REACH Reach Network Border AS 202.164.224.0/19 AS7599 IPXC-AS-AP IP Exchange 203.32.4.0/23 AS7617 203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet) 203.132.107.0/24 AS10236 FOXGOLD-NET-AU-AP FOXGOLD COMMUNICATIONS 204.69.144.0/22 AS5668 CIH-12 CenturyTel Internet Holdings, Inc. 204.154.125.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.126.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.127.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.194.110.0/23 AS30653 EXOBI Exobit Networks Inc. 205.150.0.0/15 AS701 UU UUNET Technologies, Inc. 205.159.72.0/24 AS1660 ANSCOM-5 ANS Communications 206.41.32.0/19 AS14824 NCC-105 NewSouth Communications Corp. 206.81.187.0/24 AS19194 SNL-8 Sentris Network LLC 206.167.57.0/24 AS376 RISQR-3 Reseau Interordinateurs Scientique Quebecois (RISQ) 206.191.64.0/18 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 206.251.69.0/24 AS27429 TIL-33 Telesat International Ltd. 206.253.190.0/23 AS8123 POLYBA Polybase 207.231.96.0/19 AS11194 NUNETI NuNet Inc 208.81.187.0/24 AS19194 SNL-8 Sentris Network LLC 209.169.219.0/24 AS189 GNTY Genuity 209.169.223.0/24 AS189 GNTY Genuity 209.172.0.0/18 AS7770 TRTI Triton Technologies, Inc. 209.205.69.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.70.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.81.0/24 AS15066 SkyNet de Colombia S.A. 209.205.82.0/24 AS15066 SkyNet de Colombia S.A. 209.205.84.0/24 AS15066 SkyNet de Colombia S.A. 209.213.32.0/19 AS10629 INS-52 Inter-Pacific Network Services 209.213.50.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.51.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.55.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.56.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.222.137.0/24 AS27429 TIL-33 Telesat International Ltd. 209.251.0.0/19 AS11036 SISCOM-1 SISCOM, Inc 216.18.224.0/21 AS11458 IMBRIS-1 IMBRIS, INC. 216.18.224.0/22 AS11458 IMBRIS-1 IMBRIS, INC. 216.18.228.0/22 AS11458 IMBRIS-1 IMBRIS, INC. 216.96.128.0/18 AS7018 ATTW AT&T WorldNet Services 216.145.130.0/24 AS11937 TRXI TRX Inc. 216.145.132.0/24 AS11937 TRXI TRX Inc. 216.145.133.0/24 AS11937 TRXI TRX Inc. 216.145.134.0/24 AS11937 TRXI TRX Inc. 216.145.135.0/24 AS11937 TRXI TRX Inc. 216.145.152.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.156.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.158.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.176.0/21 AS20304 JIS-32 JVLNET Internet Services 216.145.177.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.178.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.184.0/21 AS10758 INWAVE INWave Internet, Inc 216.145.200.0/21 AS20304 JIS-32 JVLNET Internet Services 216.186.151.0/24 AS3356 LEVEL3 Level 3 Communications 216.186.152.0/21 AS3356 LEVEL3 Level 3 Communications 216.186.160.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.164.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.192.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.198.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.248.0/23 AS3356 LEVEL3 Level 3 Communications Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org swinog(a)swinog.ch

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Weekly Routing Table Report
by Routing Table Analysis 28 May '04

28 May '04

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats(a)lists.apnic.net If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 04:00 +10GMT Sat 29 May, 2004 Analysis Summary ---------------- BGP routing table entries examined: 140122 Prefixes after maximum aggregation: 85218 Unique aggregates announced to Internet: 67540 Total ASes present in the Internet Routing Table: 17342 Origin-only ASes present in the Internet Routing Table: 15026 Origin ASes announcing only one prefix: 6972 Transit ASes present in the Internet Routing Table: 2316 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 26 Illegal AS announcements present in the Routing Table: 13 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1291183612 Equivalent to 76 /8s, 245 /16s and 229 /24s Percentage of available address space announced: 34.8 Percentage of allocated address space announced: 57.2 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 62511 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 26874 Total APNIC prefixes after maximum aggregation: 13846 Prefixes being announced from the APNIC address blocks: 25184 Unique aggregates announced from the APNIC address blocks: 13900 APNIC Region origin ASes present in the Internet Routing Table: 2058 APNIC Region origin ASes announcing only one prefix: 610 APNIC Region transit ASes present in the Internet Routing Table: 334 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 148464896 Equivalent to 8 /8s, 217 /16s and 101 /24s Percentage of available APNIC address space announced: 67.7 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 80512 Total ARIN prefixes after maximum aggregation: 50242 Prefixes being announced from the ARIN address blocks: 62138 Unique aggregates announced from the ARIN address blocks: 21700 ARIN Region origin ASes present in the Internet Routing Table: 9246 ARIN Region origin ASes announcing only one prefix: 3277 ARIN Region transit ASes present in the Internet Routing Table: 920 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 224518176 Equivalent to 13 /8s, 97 /16s and 224 /24s Percentage of available ARIN address space announced: 74.3 ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106 2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153 3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466 7723 - 8191, 10240 - 12287, 13312 - 15359 16384 - 17407, 18432 - 20479, 21504 - 23551 25600 - 26591, 26624 - 27647, 29695 - 30719 31744 - 32767 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 25534 Total RIPE prefixes after maximum aggregation: 18222 Prefixes being announced from the RIPE address blocks: 22337 Unique aggregates announced from the RIPE address blocks: 14891 RIPE Region origin ASes present in the Internet Routing Table: 5496 RIPE Region origin ASes announcing only one prefix: 2956 RIPE Region transit ASes present in the Internet Routing Table: 943 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 162926080 Equivalent to 9 /8s, 182 /16s and 14 /24s Percentage of available RIPE address space announced: 57.1 RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614 2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631 6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383 20480 - 21503, 24576 - 25599, 28672 - 29695 30720 - 31743 RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 6047 Total LACNIC prefixes after maximum aggregation: 2236 Prefixes being announced from the LACNIC address blocks: 5712 Unique aggregates announced from the LACNIC address blocks: 3518 LACNIC Region origin ASes present in the Internet Routing Table: 379 LACNIC Region origin ASes announcing only one prefix: 108 LACNIC Region transit ASes present in the Internet Routing Table: 73 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 14961152 Equivalent to 0 /8s, 228 /16s and 74 /24s Percentage of available LACNIC address space announced: 44.6 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1148 Total AfriNIC prefixes after maximum aggregation: 672 Prefixes being announced from the AfriNIC address blocks: 780 Unique aggregates announced from the AfriNIC address blocks: 587 AfriNIC Region origin ASes present in the Internet Routing Table: 91 AfriNIC Region origin ASes announcing only one prefix: 21 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1865216 Equivalent to 0 /8s, 28 /16s and 118 /24s Percentage of available AfriNIC address space announced: 11.1 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 849 1091 612 Telstra Pty Ltd 4134 735 3532 143 Data Communications Bureau 4766 489 2896 264 Korea Internet Exchange for " 9583 403 31 131 Satyam Infoway Ltd., 4663 402 54 17 ELIMNET, INC 4755 365 126 56 Videsh Sanchar Nigam Ltd. Aut 9443 355 69 79 Primus Telecommunications 2907 352 1841 329 SINET Japan 9929 347 156 33 China Netcom Corp. 17676 341 5084 33 XTAGE CORPORATION 17557 330 23 165 Pakistan Telecom 703 329 375 256 UUNET 2764 296 275 242 connect.com.au pty ltd 7474 263 268 207 Optus Communications Pty Ltd 9942 230 71 127 COMindico Australia 9800 225 367 62 CHINA UNICOM 9498 218 48 47 BHARTI BT INTERNET LTD. 4780 210 193 26 Digital United Inc. 4837 181 2003 108 chinanet IDC center beijing n 10036 180 16 168 C&M Communication Co. Ltd. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1444 6891 1005 AT&T 701 1310 8529 938 UUNET Technologies, Inc. 1239 933 3013 634 Sprint 3356 894 10900 678 Level 3 Communications, LLC 209 739 3458 502 Qwest 4323 730 578 201 Time Warner Communications, I 6197 709 525 274 BellSouth Network Solutions, 18566 706 192 8 Covad Communications 6198 561 375 214 BellSouth Network Solutions, 721 556 4445 408 DLA Systems Automation Center 20115 553 365 286 Charter Communications 852 516 1142 406 Telus Advanced Communications 7843 505 648 119 Adelphia Corp. 7132 449 7851 335 Southwestern Bell Internet Se 2386 427 582 231 AT&T Data Communications Serv 705 404 147 278 UUNET Technologies, Inc. 6347 404 391 90 SAVVIS Communications Corpora 4355 393 323 103 EarthLink, Inc. 22909 390 843 25 Comcast Cable Corporation 376 384 359 112 Reseau Interordinateurs Scien RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 650 2038 545 UUNET - Commercial IP service 3320 297 2477 237 Deutsche Telekom AG 8220 273 429 261 COLT Internet - International 3301 272 1096 262 TeliaNet Sweden 1257 248 495 199 SWIPnet Swedish IP Network 680 244 2025 239 DFN-IP service G-WiN 13083 216 51 8 Mannesmann Datenverarbeitung 3246 205 464 202 Song Networks 5515 198 779 143 Sonera Solution Autonomous Sy 719 180 288 102 LANLINK autonomous system 3215 177 831 68 France Telecom Transpac 25186 175 172 116 France Telecom Transpac's Tra 8708 174 111 163 Romania Data Systems S.A. 786 172 1778 172 The JANET IP Service 6746 154 29 127 Dynamic Network Technologies, 5400 143 207 121 BT Ignite European Backbone 3269 137 1101 65 TELECOM ITALIA 3303 132 611 132 Swisscom Ltd 12302 123 18 29 MobiFon S.A. 1273 115 166 91 Cable & Wireless Deutschland LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 11172 360 80 55 Servicios Alestra S.A de C.V 6140 345 124 66 ImpSat 8151 268 373 129 UniNet S.A. de C.V. 16814 203 13 7 NSS, S.A. 6147 160 82 21 Telefonica Del Peru 7303 140 53 30 Telecom Argentina Stet-France 6505 134 90 92 Global One Communicaoes Ltda 6503 130 219 89 AVANTEL, S.A. 11992 89 9 28 Integrated Systems 11556 87 57 24 Cable-Wireless Panama 6535 79 5 16 Chilesat Servicios Empresari 14420 77 5 31 ANDINATEL S.A. 15311 75 19 37 Telefonica Empresas 5639 72 8 8 Telecommunications Services o 4270 71 18 9 Red de Interconexion Universi 14535 70 6 5 Techtel S.A. 11311 69 7 19 Sinectis S.A. 14259 67 4 5 GTD Internet S.A. 10292 66 6 25 TELECOMMUNICATIONS OF JAMAICA 7080 64 4 1 Electronica y Comunicaciones AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 254 632 219 The Internet Solution 5536 107 8 3 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 90 276 80 The Internetworking Company o 11845 37 9 11 Data Pro Business Online 24835 31 18 6 RAYA Telecom - Egypt 5713 26 125 24 Telkom SA Ltd 9129 25 3 4 UUNET Kenya 16637 25 9 18 Johnnic e-Ventures 6713 24 38 9 Itissalat Al-MAGHRIB 8524 24 2 4 AUCEGYPT Autonomous System 12455 24 4 2 Jambonet Autonomous system 14988 24 16 1 Botswana Telecommunications C 10798 18 1 12 Standard Bank of South Africa 15706 16 2 3 Sudatel Internet Exchange Aut 12258 15 3 10 Vodacom Internet Company 8346 13 6 12 SONATEL-AS Autonomous System 17148 13 1 7 First National Bank 2609 12 26 4 Tunisia BackBone AS 15808 12 1 4 Communication Solutions Ltd i Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 706 698 Covad Communications 4134 735 592 Data Communications Bureau 4323 730 529 Time Warner Communications, I 6197 709 435 BellSouth Network Solutions, 7843 505 386 Adelphia Corp. 4663 402 385 ELIMNET, INC 701 1310 372 UUNET Technologies, Inc. 22909 390 365 Comcast Cable Corporation 5668 379 363 Century Telephone 6198 561 347 BellSouth Network Solutions, 27364 363 344 Armstrong Cable Services 22773 377 328 Cox Communications, Inc. Atla 6347 404 314 SAVVIS Communications Corpora 9929 347 314 China Netcom Corp. 4755 365 309 Videsh Sanchar Nigam Ltd. Aut 17676 341 308 XTAGE CORPORATION 11172 360 305 Servicios Alestra S.A de C.V 1239 933 299 Sprint 4355 393 290 EarthLink, Inc. 6140 345 279 ImpSat List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64512 PRIVATE 61.17.25.0/24 10199 DishnetDSL Limited 18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm 18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm 65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone 65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone 65001 PRIVATE 148.235.124.0/24 8151 UniNet S.A. de C.V. 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 5555 UNALLOCATED 192.156.8.0/24 721 DLA Systems Automati 65001 PRIVATE 200.79.116.0/24 8151 UniNet S.A. de C.V. 65502 PRIVATE 203.97.150.0/24 7714 TelstraClear 18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 156.154.16.0/22 7786 Lockheed Martin IMS 158.0.0.0/13 568 DISO-UNRRA 164.234.0.0/18 721 DLA Systems Automation Center 164.234.0.0/16 721 DLA Systems Automation Center 192.43.230.0/24 4738 South Australian Academic Res 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 568 DISO-UNRRA 192.172.11.0/24 721 DLA Systems Automation Center Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:3 /10:6 /11:15 /12:59 /13:122 /14:295 /15:512 /16:7754 /17:2020 /18:3602 /19:9395 /20:9910 /21:7238 /22:10265 /23:11552 /24:76408 /25:314 /26:395 /27:133 /28:31 /29:8 /30:55 /31:0 /32:12 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 689 706 Covad Communications 7018 556 1444 AT&T 6197 538 709 BellSouth Network Solutions, 3356 509 894 Level 3 Communications, LLC 702 395 650 UUNET - Commercial IP service 6198 394 561 BellSouth Network Solutions, 701 368 1310 UUNET Technologies, Inc. 1239 365 933 Sprint 4663 364 402 ELIMNET, INC 27364 351 363 Armstrong Cable Services 5668 332 379 Century Telephone 4766 310 489 Korea Internet Exchange for " 20115 294 553 Charter Communications 9929 277 347 China Netcom Corp. 14824 251 276 NewSouth Communications Corp. 9583 249 403 Satyam Infoway Ltd., 690 247 283 Merit Network 3320 246 297 Deutsche Telekom AG 25844 244 244 Skadden, Arps, Slate, Meagher 6517 236 262 Yipes Communications, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:818 13:1 15:5 16:2 17:3 20:8 24:731 32:101 38:69 40:54 44:3 55:1 56:3 57:15 61:380 62:484 63:1823 64:1839 65:1996 66:2524 67:316 68:519 69:526 70:64 80:499 81:292 82:172 83:62 128:146 129:185 130:82 131:131 132:18 133:1 134:177 135:17 136:185 137:92 138:152 139:43 140:156 141:124 142:117 143:63 144:86 145:42 146:301 147:76 148:403 149:118 150:93 151:71 152:165 153:62 154:1 155:118 156:61 157:59 158:125 159:146 160:54 161:55 162:379 163:75 164:165 165:161 166:100 167:220 168:225 169:106 170:286 171:8 192:5717 193:2733 194:2025 195:1350 196:556 198:3939 199:3270 200:3474 201:7 202:4595 203:5607 204:3044 205:2278 206:2263 207:2452 208:2245 209:2796 210:1442 211:601 212:961 213:1167 214:222 215:28 216:3383 217:917 218:168 219:110 220:229 221:28 222:38 End of report

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