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Weekly Routing Table Report
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Routing Table Analysis
cscora at thyme.apnic.net
Fri Jan 2 19:07:09 CET 2004
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 at lists.apnic.net If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 03 Jan, 2004 Analysis Summary ---------------- BGP routing table entries examined: 131586 Prefixes after maximum aggregation: 80741 Unique aggregates announced to Internet: 63057 Total ASes present in the Internet Routing Table: 16392 Origin-only ASes present in the Internet Routing Table: 14240 Origin ASes announcing only one prefix: 6526 Transit ASes present in the Internet Routing Table: 2152 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 30 Illegal AS announcements present in the Routing Table: 22 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 14 Number of addresses announced to Internet: 1275093092 Equivalent to 76 /8s, 0 /16s and 96 /24s Percentage of available address space announced: 34.4 Percentage of allocated address space announced: 60.0 Percentage of available address space allocated: 57.3 Total number of prefixes smaller than registry allocations: 57915 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24398 Total APNIC prefixes after maximum aggregation: 12993 Prefixes being announced from the APNIC address blocks: 22878 Unique aggregates announced from the APNIC address blocks: 12819 APNIC Region origin ASes present in the Internet Routing Table: 1979 APNIC Region origin ASes announcing only one prefix: 584 APNIC Region transit ASes present in the Internet Routing Table: 308 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 133212800 Equivalent to 7 /8s, 240 /16s and 170 /24s Percentage of available APNIC address space announced: 71.8 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 77226 Total ARIN prefixes after maximum aggregation: 47810 Prefixes being announced from the ARIN address blocks: 59777 Unique aggregates announced from the ARIN address blocks: 20731 ARIN Region origin ASes present in the Internet Routing Table: 8818 ARIN Region origin ASes announcing only one prefix: 3092 ARIN Region transit ASes present in the Internet Routing Table: 840 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 213173408 Equivalent to 12 /8s, 180 /16s and 196 /24s Percentage of available ARIN address space announced: 74.7 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 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 23342 Total RIPE prefixes after maximum aggregation: 17056 Prefixes being announced from the RIPE address blocks: 20220 Unique aggregates announced from the RIPE address blocks: 13417 RIPE Region origin ASes present in the Internet Routing Table: 5075 RIPE Region origin ASes announcing only one prefix: 2716 RIPE Region transit ASes present in the Internet Routing Table: 887 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 147930240 Equivalent to 8 /8s, 209 /16s and 60 /24s Percentage of available RIPE address space announced: 67.8 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, 80/6, 84/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5452 Total LACNIC prefixes after maximum aggregation: 2194 Prefixes being announced from the LACNIC address blocks: 5068 Unique aggregates announced from the LACNIC address blocks: 3025 LACNIC Region origin ASes present in the Internet Routing Table: 365 LACNIC Region origin ASes announcing only one prefix: 106 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 13868288 Equivalent to 0 /8s, 211 /16s and 157 /24s Percentage of available LACNIC address space announced: 41.3 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: 688 Prefixes being announced from the AfriNIC address blocks: 727 Unique aggregates announced from the AfriNIC address blocks: 559 AfriNIC Region origin ASes present in the Internet Routing Table: 93 AfriNIC Region origin ASes announcing only one prefix: 28 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 1762048 Equivalent to 0 /8s, 26 /16s and 227 /24s Percentage of available AfriNIC address space announced: 10.5 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 909 1098 654 Telstra Pty Ltd 4134 716 2413 110 Data Communications Bureau 4766 395 2903 233 Korea Internet Exchange for " 2907 363 1847 340 SINET Japan 9443 343 69 79 Primus Telecommunications 703 338 372 262 UUNET 4755 323 130 58 Videsh Sanchar Nigam Ltd. Aut 17557 309 22 149 Pakistan Telecom 17676 292 4300 38 XTAGE CORPORATION 2764 286 289 235 connect.com.au pty ltd 9583 274 44 11 Satyam Infoway Ltd., 7474 264 305 212 Optus Communications Pty Ltd 4538 250 1811 21 China Education and Research 9929 223 154 27 China Netcom Corp. 9942 217 69 128 COMindico Australia 9800 212 346 57 CHINA UNICOM 9498 175 22 29 BHARTI BT INTERNET LTD. 17642 152 40 111 RequestDSL BGP AS# for Sydney 3786 150 752 132 DACOM Corporation 4837 149 1272 99 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1416 7059 978 AT&T 701 1404 8663 963 UUNET Technologies, Inc. 1239 948 3089 660 Sprint 6197 826 477 249 BellSouth Network Solutions, 18566 735 176 8 Covad Communications 3356 733 10926 582 Level 3 Communications, LLC 209 725 3529 509 Qwest 4323 676 589 202 Time Warner Communications, I 20115 583 321 331 Charter Communications 6198 569 338 194 BellSouth Network Solutions, 7843 508 523 117 Adelphia Corp. 852 505 1124 402 Telus Advanced Communications 7066 501 207 270 Virginia Polytechnic Institut 7132 452 7396 310 Southwestern Bell Internet Se 2386 409 532 231 AT&T Data Communications Serv 19029 406 172 262 New Edge Networks 690 399 58 269 Merit Network 4355 390 323 101 EarthLink, Inc. 705 381 196 236 UUNET Technologies, Inc. 27364 381 28 24 Armstrong Cable Services RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 696 2059 579 UUNET - Commercial IP service 3301 297 1154 282 TeliaNet Sweden 3320 280 1972 230 Deutsche Telekom AG 8220 265 412 250 COLT Internet - International 1257 258 505 192 SWIPnet Swedish IP Network 680 229 2022 226 DFN-IP service G-WiN 13083 215 51 8 Mannesmann Datenverarbeitung 3246 185 424 183 Song Networks 786 174 1810 174 The JANET IP Service 5515 173 762 135 Sonera Solution Autonomous Sy 25186 168 201 109 France Telecom Transpac's Tra 8708 165 111 158 Romania Data Systems S.A. 3215 144 754 67 France Telecom Transpac 3303 144 557 137 Swisscom Ltd 5400 140 176 125 BT Ignite European Backbone 719 134 288 104 LANLINK autonomous system 12302 126 18 33 MobiFon S.A. 3269 119 941 64 TELECOM ITALIA 2856 118 1294 108 BTnet UK Regional network 3352 102 876 30 Ibernet, Internet Access Netw LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 351 120 69 ImpSat 8151 240 336 124 UniNet S.A. de C.V. 11172 198 77 44 Servicios Alestra S.A de C.V 7303 178 52 18 Telecom Argentina Stet-France 16814 156 10 5 NSS, S.A. 6505 132 90 92 Global One Communicaoes Ltda 6503 126 220 93 AVANTEL, S.A. 6147 123 78 20 Telefonica Del Peru 11340 108 3 29 Red Universitaria Nacional 8065 77 10 21 Empresas Publicas de Medellin 6535 76 5 19 Chilesat Servicios Empresari 15311 76 17 37 Telefonica Empresas 4270 71 18 9 Red de Interconexion Universi 11992 68 25 32 Integrated Systems 11311 66 7 22 Sinectis S.A. 7080 64 4 1 Electronica y Comunicaciones 27699 62 168 15 TELECOMUNICACOES DE SAO PAULO 14420 61 4 23 ANDINATEL S.A. 1916 59 247 39 Fundacao de Amparo a Pesquisa 5639 58 7 8 Telecommunications Services o AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 249 632 218 The Internet Solution 5536 102 6 12 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 90 272 80 The Internetworking Company o 2561 56 6 3 Egyptian Universities Network 11845 36 9 11 Data Pro Business Online 3208 33 2 1 ARN Network 16637 26 9 19 Johnnic e-Ventures 9129 25 3 4 UUNET Kenya 5713 24 93 22 Telkom SA Ltd 12455 24 4 2 Jambonet Autonomous system 24835 23 18 6 RAYA Telecom - Egypt 6713 22 38 9 Itissalat Al-MAGHRIB 10798 18 1 12 Standard Bank of South Africa 8524 17 1 3 AUCEGYPT Autonomous System 12258 15 3 10 Vodacom Internet Company 15706 15 2 5 Sudatel Internet Exchange Aut 17148 14 1 8 First National Bank 2609 12 10 3 Tunisia BackBone AS 8346 12 6 12 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 735 727 Covad Communications 4134 716 606 Data Communications Bureau 6197 826 577 BellSouth Network Solutions, 4323 676 474 Time Warner Communications, I 701 1404 441 UUNET Technologies, Inc. 7843 508 391 Adelphia Corp. 6198 569 375 BellSouth Network Solutions, 27364 381 357 Armstrong Cable Services 22909 321 308 Comcast Cable Corporation 5668 320 304 Century Telephone 22773 327 297 Cox Communications, Inc. Atla 4355 390 289 EarthLink, Inc. 1239 948 288 Sprint 6140 351 282 ImpSat 4755 323 265 Videsh Sanchar Nigam Ltd. Aut 9443 343 264 Primus Telecommunications 9583 274 263 Satyam Infoway Ltd., 1221 909 255 Telstra Pty Ltd 17676 292 254 XTAGE CORPORATION 20115 583 252 Charter Communications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 31769 UNALLOCATED 12.164.144.0/24 7018 AT&T 31784 UNALLOCATED 12.167.154.0/23 7018 AT&T 31753 UNALLOCATED 63.251.94.0/24 10913 InterNAP Network Ser 31769 UNALLOCATED 65.218.210.0/24 701 UUNET Technologies, 31769 UNALLOCATED 65.218.210.0/23 7018 AT&T 31769 UNALLOCATED 65.218.211.0/24 701 UUNET Technologies, 31766 UNALLOCATED 67.99.177.0/24 4513 PFM Communications, 31795 UNALLOCATED 68.88.220.0/24 7132 Southwestern Bell In 31780 UNALLOCATED 69.38.148.0/24 701 UUNET Technologies, 31752 UNALLOCATED 69.60.224.0/20 23184 Persona Communicatio 64512 PRIVATE 131.95.1.240/28 16430 University of Southe 64198 RESERVED 192.107.195.0/24 22767 NASA Earth Science D 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 64198 RESERVED 198.10.49.0/24 22767 NASA Earth Science D 31763 UNALLOCATED 205.235.32.0/19 3593 EPIX 31763 UNALLOCATED 205.235.48.0/24 3593 EPIX 31763 UNALLOCATED 205.235.49.0/24 3593 EPIX 31757 UNALLOCATED 207.105.158.0/24 7132 Southwestern Bell In 31776 UNALLOCATED 208.28.117.0/24 6395 Broadwing Communicat 31766 UNALLOCATED 209.10.138.0/24 4513 PFM Communications, 31779 UNALLOCATED 216.66.230.0/24 701 UUNET Technologies, 31749 UNALLOCATED 216.248.43.0/24 2551 ICG NetAhead, Inc Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 158.0.0.0/13 568 DISO-UNRRA 192.43.230.0/24 4738 South Australian Academic Res 192.44.0.0/19 702 UUNET - Commercial IP service 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 Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:4 /10:6 /11:15 /12:57 /13:103 /14:279 /15:494 /16:7530 /17:1853 /18:3433 /19:8876 /20:9322 /21:6729 /22:9408 /23:11020 /24:71781 /25:186 /26:235 /27:140 /28:32 /29:7 /30:45 /31:0 /32:12 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 729 735 Covad Communications 6197 674 826 BellSouth Network Solutions, 7018 529 1416 AT&T 701 430 1404 UUNET Technologies, Inc. 6198 427 569 BellSouth Network Solutions, 702 425 696 UUNET - Commercial IP service 7066 394 501 Virginia Polytechnic Institut 27364 375 381 Armstrong Cable Services 3356 372 733 Level 3 Communications, LLC 20115 364 583 Charter Communications 690 361 399 Merit Network 1239 339 948 Sprint 5668 283 320 Century Telephone 19029 264 406 New Edge Networks 25844 244 244 Skadden, Arps, Slate, Meagher 3320 227 280 Deutsche Telekom AG 4766 224 395 Korea Internet Exchange for " 6386 218 244 bellsouth.net, inc. 4355 215 390 EarthLink, Inc. 6517 214 239 Yipes Communications, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 5:1 9:1 12:761 13:1 15:6 16:1 17:3 20:7 22:2 24:876 25:4 32:83 35:1 36:1 38:44 40:27 44:1 51:1 55:1 56:1 57:14 61:342 62:452 63:1817 64:1798 65:1810 66:2206 67:247 68:691 69:377 80:431 81:182 82:58 128:143 129:259 130:69 131:80 132:17 134:176 135:16 136:129 137:115 138:126 139:38 140:158 141:133 142:111 143:48 144:84 145:39 146:289 147:73 148:317 149:87 150:119 151:60 152:209 153:59 154:1 155:131 156:60 157:55 158:134 159:137 160:46 161:50 162:368 163:70 164:328 165:174 166:104 167:210 168:176 169:96 170:297 171:8 192:5513 193:2489 194:2006 195:1298 196:515 198:3626 199:2828 200:2996 201:5 202:4334 203:5420 204:3022 205:2038 206:2249 207:2586 208:2457 209:2888 210:1008 211:404 212:907 213:978 214:23 215:25 216:3356 217:804 218:121 219:80 220:150 221:18 End of report
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