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@lists.apnic.net If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 01 Jan, 2005 Analysis Summary ---------------- BGP routing table entries examined: 153386 Prefixes after maximum aggregation: 90036 Unique aggregates announced to Internet: 73647 Total ASes present in the Internet Routing Table: 18725 Origin-only ASes present in the Internet Routing Table: 16239 Origin ASes announcing only one prefix: 7613 Transit ASes present in the Internet Routing Table: 2486 Transit-only ASes present in the Internet Routing Table: 77 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 20 Prefixes from unregistered ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 16 Number of addresses announced to Internet: 1361525284 Equivalent to 81 /8s, 39 /16s and 58 /24s Percentage of available address space announced: 36.7 Percentage of allocated address space announced: 59.4 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 71066 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30134 Total APNIC prefixes after maximum aggregation: 14802 Prefixes being announced from the APNIC address blocks: 28192 Unique aggregates announced from the APNIC address blocks: 14526 APNIC Region origin ASes present in the Internet Routing Table: 2179 APNIC Region origin ASes announcing only one prefix: 648 APNIC Region transit ASes present in the Internet Routing Table: 328 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 170551296 Equivalent to 10 /8s, 42 /16s and 104 /24s Percentage of available APNIC address space announced: 77.8 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: 86291 Total ARIN prefixes after maximum aggregation: 52147 Prefixes being announced from the ARIN address blocks: 66095 Unique aggregates announced from the ARIN address blocks: 23897 ARIN Region origin ASes present in the Internet Routing Table: 9791 ARIN Region origin ASes announcing only one prefix: 3525 ARIN Region transit ASes present in the Internet Routing Table: 969 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 236590080 Equivalent to 14 /8s, 26 /16s and 20 /24s Percentage of available ARIN address space announced: 70.5 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, 70/7, 72/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 28823 Total RIPE prefixes after maximum aggregation: 19993 Prefixes being announced from the RIPE address blocks: 25758 Unique aggregates announced from the RIPE address blocks: 16997 RIPE Region origin ASes present in the Internet Routing Table: 6176 RIPE Region origin ASes announcing only one prefix: 3297 RIPE Region transit ASes present in the Internet Routing Table: 1068 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 183667136 Equivalent to 10 /8s, 242 /16s and 137 /24s Percentage of available RIPE address space announced: 64.4 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, 33792-34815 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: 6837 Total LACNIC prefixes after maximum aggregation: 2395 Prefixes being announced from the LACNIC address blocks: 6690 Unique aggregates announced from the LACNIC address blocks: 4064 LACNIC Region origin ASes present in the Internet Routing Table: 410 LACNIC Region origin ASes announcing only one prefix: 120 LACNIC Region transit ASes present in the Internet Routing Table: 77 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 17062912 Equivalent to 1 /8s, 4 /16s and 92 /24s Percentage of available LACNIC address space announced: 50.9 LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1294 Total AfriNIC prefixes after maximum aggregation: 699 Prefixes being announced from the AfriNIC address blocks: 868 Unique aggregates announced from the AfriNIC address blocks: 685 AfriNIC Region origin ASes present in the Internet Routing Table: 94 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: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2103552 Equivalent to 0 /8s, 32 /16s and 25 /24s Percentage of available AfriNIC address space announced: 12.5 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4134 874 4610 167 Data Communications Bureau 1221 793 1184 567 Telstra Pty Ltd 9583 579 47 29 Satyam Infoway Ltd., 4766 558 3409 273 Korea Internet Exchange for " 4755 432 176 85 Videsh Sanchar Nigam Ltd. Aut 17676 390 5852 60 XTAGE CORPORATION 9443 362 71 77 Primus Telecommunications 2907 356 1857 329 SINET Japan 9929 356 164 41 China Netcom Corp. 703 319 344 248 UUNET 17557 307 22 150 Pakistan Telecom 10036 294 27 270 C&M Communication Co. Ltd. 2764 285 272 228 connect.com.au pty ltd 7474 274 267 203 Optus Communications Pty Ltd 9800 238 383 76 CHINA UNICOM 4802 231 28 140 Wantree Development 9498 231 81 54 BHARTI BT INTERNET LTD. 4814 226 232 6 China Telecom (Group) 7563 224 48 158 Korea Internet Infrastructure 17974 219 63 14 PT TELEKOMUNIKASI INDONESIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1429 6571 985 AT&T WorldNet Services 721 1078 21710 301 DLA Systems Automation Center 701 1045 8326 898 UUNET Technologies, Inc. 1239 935 2882 625 Sprint 2386 856 528 609 AT&T Data Communications Serv 4323 821 670 224 Time Warner Telecom 6197 815 380 368 BellSouth Network Solutions, 18566 758 208 6 Covad Communications 209 657 3439 505 Qwest 3356 609 10887 446 Level 3 Communications, LLC 20115 567 468 301 Charter Communications 3561 549 2369 416 Cable & Wireless USA 852 528 1126 401 Telus Advanced Communications 7843 482 729 100 Adelphia Corp. 6478 467 814 97 AT&T Worldnet Services 6198 449 388 199 BellSouth Network Solutions, 7132 447 8243 380 SBC Internet Services 27364 442 44 20 Armstrong Cable Services 5668 424 87 18 Century Telephone 22909 419 907 65 Comcast Cable Corporation RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 626 2023 517 UUNET - Commercial IP service 3320 294 2992 232 Deutsche Telekom AG 3301 287 1112 275 TeliaNet Sweden 8220 277 464 265 COLT Internet - International 21502 272 40 3 NUMERICABLE is a cabled netwo 680 254 2025 239 DFN-IP service G-WiN 3246 224 483 220 Song Networks 13083 217 51 8 Mannesmann Datenverarbeitung 8708 206 118 190 Romania Data Systems S.A. 1257 205 708 171 SWIPnet Swedish IP Network 5515 193 842 140 Sonera Solution Autonomous Sy 786 176 1794 176 The JANET IP Service 3215 176 998 76 France Telecom Transpac 6746 168 47 136 Dynamic Network Technologies, 8866 163 18 21 Bulgarian Telecommunication C 719 159 322 104 LANLINK autonomous system 3269 158 1360 69 TELECOM ITALIA 3300 153 165 77 AUCS Communications Services 25186 142 138 99 France Telecom Transpac's Tra 5400 135 216 118 BT Ignite European Backbone LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 355 140 69 ImpSat 8151 331 473 143 UniNet S.A. de C.V. 16814 234 14 6 NSS, S.A. 11172 215 99 54 Servicios Alestra S.A de C.V 11664 189 19 28 Keytech SA 6147 188 102 20 Telefonica Del Peru 7303 161 68 20 Telecom Argentina Stet-France 6505 140 90 96 Global One Communicaoes Ltda 6503 128 148 85 AVANTEL, S.A. 11992 102 9 31 Integrated Systems 14117 98 6 4 Telefonica del Sur S.A. 11556 97 48 3 Cable-Wireless Panama 14420 87 6 42 ANDINATEL S.A. 11311 86 8 22 Sinectis S.A. 6535 84 7 25 Chilesat Servicios Empresari 10481 82 32 7 Prima S.A. 13999 81 52 9 Mega Cable S.A. de C.V. 4270 80 18 9 Red de Interconexion Universi 5639 79 8 8 Telecommunications Services o 15311 78 25 37 Telefonica Empresas AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 269 636 226 The Internet Solution 5536 113 16 4 Internet Egypt Network 2018 102 297 98 Tertiary Education Network 2905 77 272 70 The Internetworking Company o 20928 74 16 2 Noor Advanced Technologies AS 24835 48 34 7 RAYA Telecom - Egypt 6713 34 38 9 Itissalat Al-MAGHRIB 8452 34 20 5 TEDATA 9129 34 3 2 UUNET Kenya 5713 27 141 24 Telkom SA Ltd 12455 27 7 4 Jambonet Autonomous system 8524 25 1 4 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 10798 18 1 12 Standard Bank of South Africa 12258 18 3 12 Vodacom Internet Company 21280 17 2 3 Swift Global Kenya Ltd.Is an 8346 15 7 14 SONATEL-AS Autonomous System 15706 15 4 2 Sudatel Internet Exchange Aut 15808 13 1 2 Communication Solutions Ltd i 17148 13 1 7 First National Bank Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 721 1078 777 DLA Systems Automation Center 18566 758 752 Covad Communications 4134 874 707 Data Communications Bureau 4323 821 597 Time Warner Telecom 9583 579 550 Satyam Infoway Ltd., 6197 815 447 BellSouth Network Solutions, 27364 442 422 Armstrong Cable Services 5668 424 406 Century Telephone 22773 416 393 Cox Communications, Inc. Atla 7843 482 382 Adelphia Corp. 6478 467 370 AT&T Worldnet Services 22909 419 354 Comcast Cable Corporation 4755 432 347 Videsh Sanchar Nigam Ltd. Aut 6467 373 342 E.Spire Communications, Inc. 17676 390 330 XTAGE CORPORATION 9929 356 315 China Netcom Corp. 1239 935 310 Sprint 13609 328 294 Choice One Communications Inc 4355 393 292 EarthLink, Inc. 6140 355 286 ImpSat List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 26422 UNALLOCATED 196.46.184.0/22 3741 The Internet Solutio 64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc. 64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc. 64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc. 65002 PRIVATE 208.179.184.0/24 11509 The Pajo Group 65529 PRIVATE 216.21.199.0/24 14697 VDot.Net 65529 PRIVATE 216.152.237.0/24 14697 VDot.Net Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 158.0.0.0/13 721 DLA Systems Automation Center 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 WorldNet Services 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 192.200.100.0/24 7018 AT&T WorldNet Services 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 /10:7 /11:15 /12:59 /13:139 /14:313 /15:561 /16:8228 /17:2340 /18:4048 /19:10043 /20:10649 /21:8183 /22:11398 /23:12954 /24:83525 /25:251 /26:231 /27:127 /28:62 /29:38 /30:139 /31:0 /32:54 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 743 758 Covad Communications 6197 661 815 BellSouth Network Solutions, 2386 629 856 AT&T Data Communications Serv 7018 586 1429 AT&T WorldNet Services 27364 427 442 Armstrong Cable Services 9583 403 579 Satyam Infoway Ltd., 702 382 626 UUNET - Commercial IP service 4766 378 558 Korea Internet Exchange for " 1239 371 935 Sprint 5668 367 424 Century Telephone 6198 326 449 BellSouth Network Solutions, 10036 294 294 C&M Communication Co. Ltd. 6517 291 314 Yipes Communications, Inc. 13609 286 328 Choice One Communications Inc 9929 285 356 China Netcom Corp. 6467 283 373 E.Spire Communications, Inc. 4323 269 821 Time Warner Telecom 21502 269 272 NUMERICABLE is a cabled netwo 11456 258 303 Carolina Online, Inc. 701 252 1045 UUNET Technologies, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:4 8:10 12:1459 13:1 15:5 16:2 17:3 18:3 20:4 24:716 32:67 33:3 38:85 40:55 44:3 47:2 52:3 55:2 56:3 57:23 59:1 60:12 61:689 62:499 63:1850 64:2527 65:2081 66:2524 67:480 68:519 69:861 70:50 71:1 72:22 80:526 81:604 82:382 83:212 84:80 85:43 128:109 129:164 130:86 131:193 132:34 134:176 135:30 136:182 137:69 138:159 139:35 140:186 141:108 142:133 143:124 144:165 145:41 146:282 147:88 148:261 149:129 150:92 151:62 152:116 153:70 154:2 155:134 156:62 157:71 158:148 159:163 160:63 161:60 162:383 163:84 164:222 165:162 166:126 167:223 168:357 169:131 170:313 171:8 192:5644 193:3030 194:2222 195:1542 196:601 198:3865 199:3295 200:3966 201:42 202:5044 203:5868 204:3569 205:2109 206:2303 207:2540 208:2105 209:3060 210:1551 211:730 212:1164 213:1258 214:230 215:31 216:3741 217:1093 218:171 219:87 220:310 221:95 222:37 End of report