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 Jan, 2004 Analysis Summary ---------------- BGP routing table entries examined: 131475 Prefixes after maximum aggregation: 80923 Unique aggregates announced to Internet: 63324 Total ASes present in the Internet Routing Table: 16435 Origin-only ASes present in the Internet Routing Table: 14265 Origin ASes announcing only one prefix: 6551 Transit ASes present in the Internet Routing Table: 2170 Transit-only ASes present in the Internet Routing Table: 76 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: 7 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 14 Number of addresses announced to Internet: 1276999012 Equivalent to 76 /8s, 29 /16s and 117 /24s Percentage of available address space announced: 34.5 Percentage of allocated address space announced: 60.1 Percentage of available address space allocated: 57.3 Total number of prefixes smaller than registry allocations: 57989 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24233 Total APNIC prefixes after maximum aggregation: 13074 Prefixes being announced from the APNIC address blocks: 22717 Unique aggregates announced from the APNIC address blocks: 12891 APNIC Region origin ASes present in the Internet Routing Table: 1971 APNIC Region origin ASes announcing only one prefix: 576 APNIC Region transit ASes present in the Internet Routing Table: 309 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 133962368 Equivalent to 7 /8s, 252 /16s and 26 /24s Percentage of available APNIC address space announced: 72.2 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: 77305 Total ARIN prefixes after maximum aggregation: 47872 Prefixes being announced from the ARIN address blocks: 59831 Unique aggregates announced from the ARIN address blocks: 20788 ARIN Region origin ASes present in the Internet Routing Table: 8837 ARIN Region origin ASes announcing only one prefix: 3104 ARIN Region transit ASes present in the Internet Routing Table: 848 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 213682848 Equivalent to 12 /8s, 188 /16s and 138 /24s Percentage of available ARIN address space announced: 74.9 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, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 23335 Total RIPE prefixes after maximum aggregation: 17114 Prefixes being announced from the RIPE address blocks: 20196 Unique aggregates announced from the RIPE address blocks: 13441 RIPE Region origin ASes present in the Internet Routing Table: 5094 RIPE Region origin ASes announcing only one prefix: 2738 RIPE Region transit ASes present in the Internet Routing Table: 893 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 148407168 Equivalent to 8 /8s, 216 /16s and 131 /24s Percentage of available RIPE address space announced: 68.0 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: 5445 Total LACNIC prefixes after maximum aggregation: 2184 Prefixes being announced from the LACNIC address blocks: 5014 Unique aggregates announced from the LACNIC address blocks: 3126 LACNIC Region origin ASes present in the Internet Routing Table: 366 LACNIC Region origin ASes announcing only one prefix: 106 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 12 Number of LACNIC addresses announced to Internet: 13876480 Equivalent to 0 /8s, 211 /16s and 189 /24s Percentage of available LACNIC address space announced: 41.4 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1152 Total AfriNIC prefixes after maximum aggregation: 679 Prefixes being announced from the AfriNIC address blocks: 735 Unique aggregates announced from the AfriNIC address blocks: 567 AfriNIC Region origin ASes present in the Internet Routing Table: 92 AfriNIC Region origin ASes announcing only one prefix: 27 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: 1758208 Equivalent to 0 /8s, 26 /16s and 212 /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 904 1098 650 Telstra Pty Ltd 4134 701 2413 110 Data Communications Bureau 4766 398 2903 238 Korea Internet Exchange for " 2907 362 1847 339 SINET Japan 9443 346 69 79 Primus Telecommunications 703 338 372 262 UUNET 17557 307 22 152 Pakistan Telecom 17676 292 4300 38 XTAGE CORPORATION 2764 286 289 235 connect.com.au pty ltd 7474 268 305 212 Optus Communications Pty Ltd 4538 250 1811 21 China Education and Research 4755 222 130 58 Videsh Sanchar Nigam Ltd. Aut 9942 217 69 128 COMindico Australia 9800 216 348 57 CHINA UNICOM 9583 213 44 12 Satyam Infoway Ltd., 9929 211 154 28 China Netcom Corp. 9498 181 30 33 BHARTI BT INTERNET LTD. 17642 153 40 112 RequestDSL BGP AS# for Sydney 17964 153 121 62 Beijing Dian-Xin-Tong Network 3786 148 752 130 DACOM Corporation ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1411 7048 977 AT&T 701 1400 8694 967 UUNET Technologies, Inc. 1239 945 3088 661 Sprint 6197 775 483 251 BellSouth Network Solutions, 18566 766 176 8 Covad Communications 3356 733 10925 584 Level 3 Communications, LLC 209 722 3529 507 Qwest 4323 674 589 202 Time Warner Communications, I 20115 578 323 332 Charter Communications 6198 546 340 195 BellSouth Network Solutions, 7843 510 535 119 Adelphia Corp. 852 504 1124 400 Telus Advanced Communications 7066 502 207 270 Virginia Polytechnic Institut 7132 462 7402 311 Southwestern Bell Internet Se 2386 418 544 219 AT&T Data Communications Serv 19029 409 172 262 New Edge Networks 690 398 58 268 Merit Network 4355 390 323 101 EarthLink, Inc. 705 380 196 235 UUNET Technologies, Inc. 27364 380 28 24 Armstrong Cable Services RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 694 2076 577 UUNET - Commercial IP service 3301 333 1159 315 TeliaNet Sweden 3320 281 1972 231 Deutsche Telekom AG 8220 267 412 252 COLT Internet - International 1257 245 505 191 SWIPnet Swedish IP Network 680 229 2022 226 DFN-IP service G-WiN 13083 215 51 8 Mannesmann Datenverarbeitung 3246 186 424 184 Song Networks 786 175 1826 175 The JANET IP Service 5515 173 762 135 Sonera Solution Autonomous Sy 25186 168 201 109 France Telecom Transpac's Tra 8708 164 111 157 Romania Data Systems S.A. 3215 150 786 68 France Telecom Transpac 3303 138 557 138 Swisscom Ltd 5400 135 224 125 BT Ignite European Backbone 719 134 288 104 LANLINK autonomous system 12302 126 18 33 MobiFon S.A. 2856 119 1294 109 BTnet UK Regional network 3269 118 940 63 TELECOM ITALIA 3352 103 892 30 Ibernet, Internet Access Netw LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 350 120 69 ImpSat 8151 237 335 122 UniNet S.A. de C.V. 11172 198 77 44 Servicios Alestra S.A de C.V 16814 155 10 5 NSS, S.A. 7303 139 52 17 Telecom Argentina Stet-France 6505 132 90 92 Global One Communicaoes Ltda 6503 128 220 93 AVANTEL, S.A. 6147 124 78 20 Telefonica Del Peru 11340 108 3 29 Red Universitaria Nacional 15311 78 18 38 Telefonica Empresas 6535 76 5 19 Chilesat Servicios Empresari 4270 70 17 8 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 7738 60 218 13 Telecomunicacoes da Bahia S.A 1916 59 247 39 Fundacao de Amparo a Pesquisa 14420 59 4 22 ANDINATEL S.A. 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 103 8 3 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 90 272 80 The Internetworking Company o 2561 58 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 5713 24 93 22 Telkom SA Ltd 9129 24 3 4 UUNET Kenya 12455 24 4 2 Jambonet Autonomous system 24835 23 18 6 RAYA Telecom - Egypt 6713 22 38 9 Itissalat Al-MAGHRIB 8524 18 2 4 AUCEGYPT Autonomous System 10798 18 1 12 Standard Bank of South Africa 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 766 758 Covad Communications 4134 701 591 Data Communications Bureau 6197 775 524 BellSouth Network Solutions, 4323 674 472 Time Warner Communications, I 701 1400 433 UUNET Technologies, Inc. 7843 510 391 Adelphia Corp. 27364 380 356 Armstrong Cable Services 6198 546 351 BellSouth Network Solutions, 22909 327 310 Comcast Cable Corporation 5668 320 304 Century Telephone 22773 328 299 Cox Communications, Inc. Atla 4355 390 289 EarthLink, Inc. 1239 945 284 Sprint 6140 350 281 ImpSat 9443 346 267 Primus Telecommunications 1221 904 254 Telstra Pty Ltd 6347 331 254 SAVVIS Communications Corpora 17676 292 254 XTAGE CORPORATION 20115 578 246 Charter Communications 376 358 244 Reseau Interordinateurs Scien List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 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 64512 PRIVATE 204.70.1.0/24 3561 Cable & Wireless USA 23861 UNALLOCATED 210.93.46.0/24 4766 Korea Internet Excha 23861 UNALLOCATED 210.93.47.0/24 4766 Korea Internet Excha 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 /13:104 /14:279 /15:497 /16:7541 /17:1844 /18:3423 /19:8861 /20:9319 /21:6716 /22:9437 /23:11079 /24:71616 /25:182 /26:239 /27:141 /28:32 /29:6 /30:47 /31:0 /32:11 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 751 766 Covad Communications 6197 619 775 BellSouth Network Solutions, 7018 528 1411 AT&T 702 423 694 UUNET - Commercial IP service 701 422 1400 UUNET Technologies, Inc. 6198 402 546 BellSouth Network Solutions, 7066 396 502 Virginia Polytechnic Institut 27364 374 380 Armstrong Cable Services 3356 371 733 Level 3 Communications, LLC 690 361 398 Merit Network 20115 360 578 Charter Communications 1239 333 945 Sprint 5668 283 320 Century Telephone 19029 267 409 New Edge Networks 25844 244 244 Skadden, Arps, Slate, Meagher 3320 228 281 Deutsche Telekom AG 4766 227 398 Korea Internet Exchange for " 6386 223 248 bellsouth.net, inc. 6517 216 240 Yipes Communications, Inc. 4355 215 390 EarthLink, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:763 13:1 15:6 16:1 17:3 20:7 24:881 32:81 38:44 40:26 44:2 55:1 56:1 57:11 61:343 62:439 63:1827 64:1809 65:1812 66:2137 67:256 68:656 69:369 80:431 81:182 82:64 128:141 129:263 130:69 131:78 132:17 134:176 135:16 136:129 137:115 138:127 139:39 140:157 141:132 142:104 143:48 144:85 145:39 146:289 147:74 148:318 149:85 150:119 151:60 152:209 153:59 154:1 155:130 156:60 157:55 158:133 159:143 160:46 161:51 162:367 163:71 164:332 165:165 166:104 167:214 168:176 169:96 170:345 171:7 192:5522 193:2514 194:1998 195:1301 196:516 198:3622 199:2831 200:2971 201:5 202:4280 203:5366 204:3018 205:2024 206:2247 207:2583 208:2452 209:2894 210:977 211:411 212:897 213:979 214:23 215:25 216:3392 217:795 218:118 219:80 220:155 221:19 222:1 End of report