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 10 Sep, 2005 Analysis Summary ---------------- BGP routing table entries examined: 169983 Prefixes after maximum aggregation: 97203 Unique aggregates announced to Internet: 82000 Total ASes present in the Internet Routing Table: 20445 Origin-only ASes present in the Internet Routing Table: 17787 Origin ASes announcing only one prefix: 8431 Transit ASes present in the Internet Routing Table: 2658 Transit-only ASes present in the Internet Routing Table: 73 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 26 Prefixes from unregistered ASNs in the Routing Table: 21 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1419431168 Equivalent to 84 /8s, 154 /16s and 205 /24s Percentage of available address space announced: 38.3 Percentage of allocated address space announced: 57.7 Percentage of available address space allocated: 66.4 Total number of prefixes smaller than registry allocations: 80774 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 35338 Total APNIC prefixes after maximum aggregation: 15719 Prefixes being announced from the APNIC address blocks: 33197 Unique aggregates announced from the APNIC address blocks: 16372 APNIC Region origin ASes present in the Internet Routing Table: 2356 APNIC Region origin ASes announcing only one prefix: 700 APNIC Region transit ASes present in the Internet Routing Table: 362 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 197369344 Equivalent to 11 /8s, 195 /16s and 158 /24s Percentage of available APNIC address space announced: 73.2 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911 APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 90654 Total ARIN prefixes after maximum aggregation: 55107 Prefixes being announced from the ARIN address blocks: 70887 Unique aggregates announced from the ARIN address blocks: 26032 ARIN Region origin ASes present in the Internet Routing Table: 10182 ARIN Region origin ASes announcing only one prefix: 3765 ARIN Region transit ASes present in the Internet Routing Table: 950 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 266366720 Equivalent to 15 /8s, 224 /16s and 111 /24s Percentage of available ARIN address space announced: 66.2 ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 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, 29696-30719, 31744-33791 35840-36863 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 32763 Total RIPE prefixes after maximum aggregation: 22377 Prefixes being announced from the RIPE address blocks: 29810 Unique aggregates announced from the RIPE address blocks: 20148 RIPE Region origin ASes present in the Internet Routing Table: 7070 RIPE Region origin ASes announcing only one prefix: 3728 RIPE Region transit ASes present in the Internet Routing Table: 1170 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 217250688 Equivalent to 12 /8s, 242 /16s and 251 /24s Percentage of available RIPE address space announced: 64.7 RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 9508 Total LACNIC prefixes after maximum aggregation: 3190 Prefixes being announced from the LACNIC address blocks: 7859 Unique aggregates announced from the LACNIC address blocks: 4571 LACNIC Region origin ASes present in the Internet Routing Table: 634 LACNIC Region origin ASes announcing only one prefix: 196 LACNIC Region transit ASes present in the Internet Routing Table: 124 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 21992960 Equivalent to 1 /8s, 79 /16s and 150 /24s Percentage of available LACNIC address space announced: 32.8 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 189/8, 190/8, 200/7 AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 1695 Total AfriNIC prefixes after maximum aggregation: 810 Prefixes being announced from the AfriNIC address blocks: 1024 Unique aggregates announced from the AfriNIC address blocks: 775 AfriNIC Region origin ASes present in the Internet Routing Table: 139 AfriNIC Region origin ASes announcing only one prefix: 42 AfriNIC Region transit ASes present in the Internet Routing Table: 17 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2650112 Equivalent to 0 /8s, 40 /16s and 112 /24s Percentage of available AfriNIC address space announced: 7.9 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4134 965 5884 200 CHINANET-BACKBONE 9583 779 77 12 Sify Limited 1221 749 1327 517 Telstra Pty Ltd 4755 708 259 64 Videsh Sanchar Nigam Ltd. Aut 4766 604 3927 287 Korea Telecom (KIX) 7545 520 108 73 TPG Internet Pty Ltd 17676 465 6739 99 Softbank BB Corp. 9443 386 84 79 Primus Telecommunications 2907 337 1789 314 SINET Japan 17557 337 24 161 Pakistan Telecom 9498 336 147 60 BHARTI BT INTERNET LTD. 9929 335 224 46 China Netcom Corp. 17488 319 19 8 Hathway IP Over Cable Interne 7474 315 257 218 SingTel Optus Pty Ltd 4802 299 60 152 Wantree Development 18302 295 109 160 SK Global co., Ltd 9837 277 79 178 Powertel Ltd 17974 274 65 14 PT TELEKOMUNIKASI INDONESIA 703 255 262 209 UUNET - Commercial IP service 9800 246 386 66 CHINA UNICOM ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1504 6374 983 AT&T WorldNet Services 4323 1164 706 227 Time Warner Telecom 174 1117 5852 1021 Cogent Communications 721 1081 21922 311 DLA Systems Automation Center 701 998 8120 843 UUNET Technologies, Inc. 6197 943 389 478 BellSouth Network Solutions, 2386 902 514 674 AT&T Data Communications Serv 1239 865 2851 610 Sprint 18566 843 224 21 Covad Communications 20115 644 506 324 Charter Communications 209 625 3457 493 Qwest 3356 577 10661 447 Level 3 Communications, LLC 27364 554 44 18 Armstrong Cable Services 3602 553 125 107 Sprint Canada, Inc. 3561 537 2401 419 Savvis 22773 523 1352 27 Cox Communications, Inc. 5668 495 115 23 CenturyTel Internet Holdings, 6198 473 417 228 BellSouth Network Solutions, 7132 461 4949 395 SBC Internet Services 19262 452 1372 120 Verizon Global Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 591 1978 478 UUNET - Commercial IP service 3301 301 1081 287 TeliaNet Sweden 3320 292 3232 240 Deutsche Telekom AG 8220 263 474 259 COLT Telecommunications 680 244 2040 240 DFN-IP service G-WiN 8708 234 262 215 Romania Data Systems S.A. 3246 228 476 221 Song Networks 1257 198 713 176 SWIPnet Swedish IP Network 9121 195 290 41 TTnet Autonomous System 6746 184 50 160 Dynamic Network Technologies, 5515 181 778 127 Sonera Solution Autonomous Sy 3269 174 1574 69 TELECOM ITALIA 786 173 1779 173 The JANET IP Service 5400 167 289 141 BT Ignite European Backbone 6830 157 669 33 UPC Distribution Services 3300 155 184 90 AUCS Communications Services 8866 154 36 8 Bulgarian Telecommunication C 25186 142 145 99 France Telecom Transpac's Tra 1273 138 174 96 Cable & Wireless Deutschland 8551 138 122 21 Bezeq International LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 397 650 168 UniNet S.A. de C.V. 16814 297 18 7 NSS, S.A. 11172 247 83 58 Servicios Alestra S.A de C.V 6147 196 118 21 Telefonica Del Peru 11664 190 20 23 Keytech SA 19632 183 14 5 Metropolis Intercom S.A. 22047 172 128 7 VTR PUNTO NET S.A. 14117 154 10 5 Telefonica del Sur S.A. 7303 145 69 16 Telecom Argentina Stet-France 11556 129 64 2 Cable-Wireless Panama 6505 121 89 85 Global One Communicaoes Ltda 19169 121 8 25 Telconet 10481 120 48 8 Prima S.A. 13999 116 52 9 Mega Cable S.A. de C.V. 6503 114 148 75 AVANTEL, S.A. 18822 111 7 15 TELEFONICA MANQUEHUE 21826 104 13 15 INTERCABLE 5639 103 12 9 Telecommunications Services o 11311 97 8 14 Sinectis S.A. 23216 96 24 19 RAMtelecom Telecomunicaciones AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 265 708 222 The Internet Solution 5536 124 8 11 Internet Egypt Network 8452 108 32 7 TEDATA 2018 96 295 87 Tertiary Education Network 15475 93 84 4 Nile Online 2905 77 210 69 The Internetworking Company o 24835 58 34 7 RAYA Telecom - Egypt 6713 51 54 8 Itissalat Al-MAGHRIB 5713 38 149 33 Telkom SA Ltd 9129 38 3 4 UUNET Kenya 12455 36 6 3 Jambonet Autonomous system 15706 31 8 3 Sudatel Internet Exchange Aut 33774 27 4 18 AS Number for Telecom Algeria 15804 26 2 1 AS of The Way Out Internet So 16637 22 10 19 Johnnic e-Ventures 21280 22 4 5 Swift Global Kenya Ltd.Is an 8524 21 1 6 AUCEGYPT Autonomous System 10798 21 1 12 Standard Bank of South Africa 23889 20 5 9 MAURITIUS TELECOM 15808 19 2 2 Communication Solutions Ltd i Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1164 937 Time Warner Telecom 18566 843 822 Covad Communications 721 1081 770 DLA Systems Automation Center 9583 779 767 Sify Limited 4134 965 765 CHINANET-BACKBONE 4755 708 644 Videsh Sanchar Nigam Ltd. Aut 27364 554 536 Armstrong Cable Services 22773 523 496 Cox Communications, Inc. 5668 495 472 CenturyTel Internet Holdings, 6197 943 465 BellSouth Network Solutions, 7545 520 447 TPG Internet Pty Ltd 3602 553 446 Sprint Canada, Inc. 17676 465 366 Softbank BB Corp. 6467 428 355 E.Spire Communications, Inc. 19262 452 332 Verizon Global Networks 11492 330 323 Cable One 20115 644 320 Charter Communications 4766 604 317 Korea Telecom (KIX) 17488 319 311 Hathway IP Over Cable Interne 15270 335 308 PaeTec.net -a division of Pae List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65506 PRIVATE 64.151.117.0/24 26228 ServePath, LLC 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel 65205 PRIVATE 152.163.5.0/24 2056 America Online 65000 PRIVATE 195.177.123.0/24 25408 West Call Ltd carrie 65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma 28605 UNALLOCATED 201.20.144.0/20 4230 Embratel 64943 PRIVATE 202.41.14.0/24 24110 Security Mail Pty Lt 64942 PRIVATE 202.41.15.0/24 24110 Security Mail Pty Lt 24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp. 65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam 65500 PRIVATE 211.158.36.0/22 23851 Chongqing Broadband 65500 PRIVATE 211.158.40.0/22 23851 Chongqing Broadband 65500 PRIVATE 211.158.44.0/22 23851 Chongqing Broadband 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 192.43.230.0/24 7575 Australian Academic and Rease 192.44.0.0/24 5501 Fraunhofer Gesellschaft 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 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 192.172.0.0/19 721 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 /8:17 /9:3 /10:8 /11:17 /12:78 /13:173 /14:320 /15:626 /16:8508 /17:2727 /18:4662 /19:10730 /20:11818 /21:9816 /22:13204 /23:14086 /24:92219 /25:336 /26:296 /27:176 /28:48 /29:22 /30:61 /31:3 /32:29 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 828 843 Covad Communications 6197 772 943 BellSouth Network Solutions, 7018 712 1504 AT&T WorldNet Services 2386 613 902 AT&T Data Communications Serv 9583 605 779 Sify Limited 4323 552 1164 Time Warner Telecom 27364 545 554 Armstrong Cable Services 4766 421 604 Korea Telecom (KIX) 5668 403 495 CenturyTel Internet Holdings, 702 368 591 UUNET - Commercial IP service 1239 364 865 Sprint 19916 363 369 OLM LLC 7011 349 404 Citizens Utilities 6198 346 473 BellSouth Network Solutions, 11492 322 330 Cable One 6517 306 332 Yipes Communications, Inc. 15270 305 335 PaeTec.net -a division of Pae 701 284 998 UUNET Technologies, Inc. 6467 280 428 E.Spire Communications, Inc. 18302 280 295 SK Global co., Ltd Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:4 8:23 11:1 12:1572 13:1 15:9 16:2 17:3 18:3 20:21 24:1070 30:3 32:61 38:148 40:56 44:4 47:2 52:4 55:1 56:3 57:23 58:156 59:67 60:121 61:723 62:789 63:1891 64:2856 65:2065 66:2889 67:608 68:609 69:1210 70:178 71:15 72:370 80:608 81:561 82:465 83:297 84:234 85:306 86:106 87:10 128:153 129:169 130:94 131:294 132:36 133:1 134:145 135:43 136:146 137:65 138:164 139:61 140:420 141:105 142:145 143:138 144:218 145:34 146:293 147:117 148:300 149:181 150:107 151:69 152:112 153:92 154:5 155:149 156:80 157:112 158:164 159:171 160:85 161:73 162:222 163:116 164:188 165:194 166:155 167:245 168:438 169:142 170:315 171:8 190:1 192:5715 193:3274 194:2403 195:1563 196:645 198:3860 199:3301 200:4181 201:321 202:6070 203:6351 204:3782 205:2082 206:2466 207:2829 208:2032 209:3355 210:1665 211:806 212:1210 213:1331 214:294 215:39 216:3645 217:1084 218:217 219:138 220:455 221:267 222:125 End of report