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Weekly Routing Table Report
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Routing Table Analysis
cscora at thyme.apnic.net
Fri Mar 5 19:08:35 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 06 Mar, 2004 Analysis Summary ---------------- BGP routing table entries examined: 134315 Prefixes after maximum aggregation: 82099 Unique aggregates announced to Internet: 64969 Total ASes present in the Internet Routing Table: 16774 Origin-only ASes present in the Internet Routing Table: 14559 Origin ASes announcing only one prefix: 6734 Transit ASes present in the Internet Routing Table: 2215 Transit-only ASes present in the Internet Routing Table: 65 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 31 Illegal AS announcements present in the Routing Table: 15 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 16 Number of addresses announced to Internet: 1291164580 Equivalent to 76 /8s, 245 /16s and 155 /24s Percentage of available address space announced: 34.8 Percentage of allocated address space announced: 59.8 Percentage of available address space allocated: 58.2 Total number of prefixes smaller than registry allocations: 59599 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25112 Total APNIC prefixes after maximum aggregation: 13359 Prefixes being announced from the APNIC address blocks: 23498 Unique aggregates announced from the APNIC address blocks: 13493 APNIC Region origin ASes present in the Internet Routing Table: 2018 APNIC Region origin ASes announcing only one prefix: 597 APNIC Region transit ASes present in the Internet Routing Table: 322 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 137409280 Equivalent to 8 /8s, 48 /16s and 179 /24s Percentage of available APNIC address space announced: 74.0 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: 78097 Total ARIN prefixes after maximum aggregation: 48283 Prefixes being announced from the ARIN address blocks: 60453 Unique aggregates announced from the ARIN address blocks: 20980 ARIN Region origin ASes present in the Internet Routing Table: 8988 ARIN Region origin ASes announcing only one prefix: 3191 ARIN Region transit ASes present in the Internet Routing Table: 879 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 219143968 Equivalent to 13 /8s, 15 /16s and 223 /24s Percentage of available ARIN address space announced: 72.6 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 - 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: 24235 Total RIPE prefixes after maximum aggregation: 17572 Prefixes being announced from the RIPE address blocks: 21097 Unique aggregates announced from the RIPE address blocks: 14025 RIPE Region origin ASes present in the Internet Routing Table: 5247 RIPE Region origin ASes announcing only one prefix: 2823 RIPE Region transit ASes present in the Internet Routing Table: 898 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 152754816 Equivalent to 9 /8s, 26 /16s and 218 /24s Percentage of available RIPE address space announced: 70.0 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: 5669 Total LACNIC prefixes after maximum aggregation: 2206 Prefixes being announced from the LACNIC address blocks: 5320 Unique aggregates announced from the LACNIC address blocks: 3293 LACNIC Region origin ASes present in the Internet Routing Table: 367 LACNIC Region origin ASes announcing only one prefix: 100 LACNIC Region transit ASes present in the Internet Routing Table: 74 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 14337792 Equivalent to 0 /8s, 218 /16s and 199 /24s Percentage of available LACNIC address space announced: 42.7 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1188 Total AfriNIC prefixes after maximum aggregation: 679 Prefixes being announced from the AfriNIC address blocks: 743 Unique aggregates announced from the AfriNIC address blocks: 557 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: 11 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1766144 Equivalent to 0 /8s, 26 /16s and 243 /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 883 1086 639 Telstra Pty Ltd 4134 664 2490 117 Data Communications Bureau 4766 444 2914 243 Korea Internet Exchange for " 9583 389 38 97 Satyam Infoway Ltd., 4755 366 132 59 Videsh Sanchar Nigam Ltd. Aut 2907 360 1846 337 SINET Japan 9443 347 70 81 Primus Telecommunications 703 336 374 259 UUNET 17557 330 24 163 Pakistan Telecom 17676 297 4380 38 XTAGE CORPORATION 2764 295 274 240 connect.com.au pty ltd 7474 270 304 210 Optus Communications Pty Ltd 9942 231 70 132 COMindico Australia 9929 228 155 30 China Netcom Corp. 9800 214 347 55 CHINA UNICOM 9498 191 30 36 BHARTI BT INTERNET LTD. 4837 169 1571 102 chinanet IDC center beijing n 9304 166 159 24 Hutchison Telecom (HK) 4739 151 60 138 Commerical Internet eXchange 7633 151 23 42 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1410 7203 986 AT&T 701 1344 8592 962 UUNET Technologies, Inc. 1239 932 3065 648 Sprint 3356 846 10955 678 Level 3 Communications, LLC 209 719 3532 507 Qwest 4323 694 559 204 Time Warner Communications, I 18566 691 192 8 Covad Communications 6197 676 442 272 BellSouth Network Solutions, 20115 611 345 333 Charter Communications 6198 546 354 196 BellSouth Network Solutions, 852 512 1122 399 Telus Advanced Communications 7066 499 207 271 Virginia Polytechnic Institut 7843 491 582 120 Adelphia Corp. 7132 466 7818 321 Southwestern Bell Internet Se 2386 432 579 231 AT&T Data Communications Serv 690 397 58 267 Merit Network 4355 397 323 103 EarthLink, Inc. 27364 388 28 23 Armstrong Cable Services 376 381 359 114 Reseau Interordinateurs Scien 19029 378 168 248 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 677 2040 566 UUNET - Commercial IP service 3301 337 1178 316 TeliaNet Sweden 3320 287 1965 235 Deutsche Telekom AG 8220 261 410 249 COLT Internet - International 680 242 2027 238 DFN-IP service G-WiN 1257 234 510 191 SWIPnet Swedish IP Network 719 233 288 105 LANLINK autonomous system 13083 216 51 8 Mannesmann Datenverarbeitung 3246 190 447 188 Song Networks 786 175 1826 175 The JANET IP Service 8708 172 111 162 Romania Data Systems S.A. 5515 168 762 135 Sonera Solution Autonomous Sy 25186 165 185 108 France Telecom Transpac's Tra 3215 164 800 78 France Telecom Transpac 5400 151 223 134 BT Ignite European Backbone 3303 137 620 137 Swisscom Ltd 6746 128 19 112 Dynamic Network Technologies, 3269 125 1037 65 TELECOM ITALIA 12302 121 17 28 MobiFon S.A. 2856 117 1294 107 BTnet UK Regional network LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 373 122 64 ImpSat 8151 260 384 127 UniNet S.A. de C.V. 11172 207 75 43 Servicios Alestra S.A de C.V 16814 156 11 6 NSS, S.A. 6503 141 220 97 AVANTEL, S.A. 7303 136 51 31 Telecom Argentina Stet-France 6505 132 90 92 Global One Communicaoes Ltda 6147 124 78 20 Telefonica Del Peru 11992 101 25 29 Integrated Systems 11556 88 73 25 Cable-Wireless Panama 8167 80 220 12 TELESC - Telecomunicacoes de 6535 78 5 20 Chilesat Servicios Empresari 15311 78 18 38 Telefonica Empresas 4270 71 18 9 Red de Interconexion Universi 11311 70 7 17 Sinectis S.A. 5639 64 7 13 Telecommunications Services o 7080 64 4 1 Electronica y Comunicaciones 14420 63 4 25 ANDINATEL S.A. 27699 62 168 15 TELECOMUNICACOES DE SAO PAULO 10292 61 6 28 TELECOMMUNICATIONS OF JAMAICA AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 251 632 218 The Internet Solution 5536 104 8 7 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 38 9 11 Data Pro Business Online 3208 33 2 1 ARN Network 9129 32 3 4 UUNET Kenya 16637 25 9 18 Johnnic e-Ventures 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 8524 19 2 4 AUCEGYPT Autonomous System 10798 18 1 12 Standard Bank of South Africa 15706 16 2 3 Sudatel Internet Exchange Aut 15808 16 1 7 Communication Solutions Ltd i 12258 15 3 10 Vodacom Internet Company 8346 14 6 13 SONATEL-AS Autonomous System 17148 14 1 8 First National Bank Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 691 683 Covad Communications 4134 664 547 Data Communications Bureau 4323 694 490 Time Warner Communications, I 6197 676 404 BellSouth Network Solutions, 701 1344 382 UUNET Technologies, Inc. 7843 491 371 Adelphia Corp. 27364 388 365 Armstrong Cable Services 6198 546 350 BellSouth Network Solutions, 5668 349 334 Century Telephone 22909 354 328 Comcast Cable Corporation 22773 348 313 Cox Communications, Inc. Atla 6140 373 309 ImpSat 4755 366 307 Videsh Sanchar Nigam Ltd. Aut 4355 397 294 EarthLink, Inc. 9583 389 292 Satyam Infoway Ltd., 6347 367 286 SAVVIS Communications Corpora 1239 932 284 Sprint 20115 611 278 Charter Communications 376 381 267 Reseau Interordinateurs Scien 9443 347 266 Primus Telecommunications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65400 PRIVATE 192.55.193.0/24 1290 PSINet UK Ltd. 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom 65412 PRIVATE 211.161.0.0/21 4847 China Networks Inter 65412 PRIVATE 211.161.8.0/21 4847 China Networks Inter 65412 PRIVATE 211.161.32.0/23 4847 China Networks Inter 65412 PRIVATE 211.161.34.0/23 4847 China Networks Inter 65412 PRIVATE 211.161.36.0/23 4847 China Networks Inter 65412 PRIVATE 211.161.38.0/23 4847 China Networks Inter 65412 PRIVATE 211.161.40.0/23 4847 China Networks Inter 65412 PRIVATE 211.161.42.0/23 4847 China Networks Inter 65412 PRIVATE 211.161.44.0/23 4847 China Networks Inter 65412 PRIVATE 211.161.46.0/23 4847 China Networks Inter 65412 PRIVATE 211.161.80.0/21 4847 China Networks Inter 65412 PRIVATE 211.161.88.0/21 4847 China Networks Inter 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 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 192.83.16.0/20 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 /12:59 /13:106 /14:291 /15:508 /16:7593 /17:1910 /18:3492 /19:9007 /20:9430 /21:6859 /22:9678 /23:11212 /24:73417 /25:199 /26:285 /27:159 /28:28 /29:8 /30:15 /31:0 /32:15 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 674 691 Covad Communications 6197 516 676 BellSouth Network Solutions, 7018 501 1410 AT&T 3356 461 846 Level 3 Communications, LLC 702 413 677 UUNET - Commercial IP service 6198 394 546 BellSouth Network Solutions, 7066 394 499 Virginia Polytechnic Institut 27364 381 388 Armstrong Cable Services 701 374 1344 UUNET Technologies, Inc. 20115 374 611 Charter Communications 690 360 397 Merit Network 1239 330 932 Sprint 5668 308 349 Century Telephone 4766 267 444 Korea Internet Exchange for " 19029 246 378 New Edge Networks 25844 244 244 Skadden, Arps, Slate, Meagher 3320 235 287 Deutsche Telekom AG 9583 235 389 Satyam Infoway Ltd., 6517 228 250 Yipes Communications, Inc. 13609 220 260 Choice One Communications Inc Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:794 13:1 15:4 16:1 17:3 20:6 24:837 32:84 38:51 40:26 44:3 55:1 56:1 57:13 61:382 62:488 63:1824 64:1879 65:1919 66:2373 67:281 68:562 69:431 80:468 81:223 82:91 83:8 128:137 129:253 130:71 131:79 132:16 134:174 135:16 136:185 137:108 138:152 139:42 140:148 141:135 142:105 143:48 144:80 145:37 146:283 147:74 148:365 149:85 150:101 151:62 152:214 153:60 154:1 155:127 156:62 157:50 158:148 159:139 160:50 161:53 162:374 163:75 164:323 165:160 166:99 167:211 168:199 169:107 170:302 171:8 192:5529 193:2603 194:2000 195:1340 196:521 198:3649 199:2963 200:3142 201:21 202:4464 203:5488 204:2988 205:1992 206:2280 207:2609 208:2375 209:2884 210:1150 211:461 212:902 213:1063 214:26 215:26 216:3348 217:847 218:154 219:101 220:189 221:21 222:6 End of report
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