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Weekly Routing Table Report
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Routing Table Analysis
cscora at thyme.apnic.net
Fri Feb 20 19:07:46 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 21 Feb, 2004 Analysis Summary ---------------- BGP routing table entries examined: 133697 Prefixes after maximum aggregation: 81742 Unique aggregates announced to Internet: 64340 Total ASes present in the Internet Routing Table: 16679 Origin-only ASes present in the Internet Routing Table: 14469 Origin ASes announcing only one prefix: 6669 Transit ASes present in the Internet Routing Table: 2210 Transit-only ASes present in the Internet Routing Table: 67 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 20 Illegal AS announcements present in the Routing Table: 3 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 14 Number of addresses announced to Internet: 1287938852 Equivalent to 76 /8s, 196 /16s and 99 /24s Percentage of available address space announced: 34.7 Percentage of allocated address space announced: 59.7 Percentage of available address space allocated: 58.2 Total number of prefixes smaller than registry allocations: 59389 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24886 Total APNIC prefixes after maximum aggregation: 13180 Prefixes being announced from the APNIC address blocks: 23282 Unique aggregates announced from the APNIC address blocks: 13160 APNIC Region origin ASes present in the Internet Routing Table: 2002 APNIC Region origin ASes announcing only one prefix: 599 APNIC Region transit ASes present in the Internet Routing Table: 325 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 136485760 Equivalent to 8 /8s, 34 /16s and 155 /24s Percentage of available APNIC address space announced: 73.5 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: 78045 Total ARIN prefixes after maximum aggregation: 48214 Prefixes being announced from the ARIN address blocks: 60392 Unique aggregates announced from the ARIN address blocks: 20898 ARIN Region origin ASes present in the Internet Routing Table: 8959 ARIN Region origin ASes announcing only one prefix: 3162 ARIN Region transit ASes present in the Internet Routing Table: 877 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 218218080 Equivalent to 13 /8s, 1 /16s and 190 /24s Percentage of available ARIN address space announced: 72.3 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: 24069 Total RIPE prefixes after maximum aggregation: 17460 Prefixes being announced from the RIPE address blocks: 20924 Unique aggregates announced from the RIPE address blocks: 13876 RIPE Region origin ASes present in the Internet Routing Table: 5190 RIPE Region origin ASes announcing only one prefix: 2779 RIPE Region transit ASes present in the Internet Routing Table: 889 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 152018560 Equivalent to 9 /8s, 15 /16s and 158 /24s Percentage of available RIPE address space announced: 69.7 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: 5530 Total LACNIC prefixes after maximum aggregation: 2209 Prefixes being announced from the LACNIC address blocks: 5181 Unique aggregates announced from the LACNIC address blocks: 3250 LACNIC Region origin ASes present in the Internet Routing Table: 369 LACNIC Region origin ASes announcing only one prefix: 102 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 12 Number of LACNIC addresses announced to Internet: 14103296 Equivalent to 0 /8s, 215 /16s and 51 /24s Percentage of available LACNIC address space announced: 42.0 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1165 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: 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: 5.0 Max AfriNIC Region AS path length visible: 15 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 893 1084 641 Telstra Pty Ltd 4134 669 2491 118 Data Communications Bureau 4766 425 2914 245 Korea Internet Exchange for " 4755 365 130 58 Videsh Sanchar Nigam Ltd. Aut 2907 360 1846 337 SINET Japan 9583 351 42 24 Satyam Infoway Ltd., 9443 349 70 83 Primus Telecommunications 703 339 374 262 UUNET 17557 334 24 159 Pakistan Telecom 2764 298 274 243 connect.com.au pty ltd 17676 296 4364 37 XTAGE CORPORATION 7474 270 304 210 Optus Communications Pty Ltd 9942 230 70 132 COMindico Australia 9929 227 155 30 China Netcom Corp. 9800 215 347 55 CHINA UNICOM 9498 192 30 34 BHARTI BT INTERNET LTD. 9304 169 159 23 Hutchison Telecom (HK) 4837 157 1539 101 chinanet IDC center beijing n 4739 150 60 137 Commerical Internet eXchange 17964 150 119 59 Beijing Dian-Xin-Tong Network ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1403 7241 983 AT&T 701 1346 8612 961 UUNET Technologies, Inc. 1239 939 3095 656 Sprint 3356 807 10950 657 Level 3 Communications, LLC 6197 733 443 270 BellSouth Network Solutions, 209 713 3531 503 Qwest 4323 692 543 201 Time Warner Communications, I 18566 689 192 9 Covad Communications 20115 610 342 345 Charter Communications 6198 546 354 196 BellSouth Network Solutions, 7843 508 580 130 Adelphia Corp. 852 505 1124 401 Telus Advanced Communications 7066 499 207 271 Virginia Polytechnic Institut 7132 461 7705 316 Southwestern Bell Internet Se 2386 431 579 229 AT&T Data Communications Serv 690 397 58 267 Merit Network 4355 397 323 103 EarthLink, Inc. 19029 388 168 248 New Edge Networks 27364 382 28 23 Armstrong Cable Services 376 381 359 114 Reseau Interordinateurs Scien RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 681 2069 567 UUNET - Commercial IP service 3301 336 1178 315 TeliaNet Sweden 3320 286 1965 234 Deutsche Telekom AG 8220 268 411 255 COLT Internet - International 719 255 290 120 LANLINK autonomous system 680 242 2027 238 DFN-IP service G-WiN 1257 236 506 190 SWIPnet Swedish IP Network 13083 216 51 8 Mannesmann Datenverarbeitung 3246 188 431 186 Song Networks 786 175 1826 175 The JANET IP Service 8708 171 111 162 Romania Data Systems S.A. 5515 169 762 135 Sonera Solution Autonomous Sy 25186 165 185 108 France Telecom Transpac's Tra 3215 164 804 75 France Telecom Transpac 5400 149 223 132 BT Ignite European Backbone 3303 137 620 137 Swisscom Ltd 6746 127 19 112 Dynamic Network Technologies, 3269 125 1037 65 TELECOM ITALIA 12302 122 18 29 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 357 121 64 ImpSat 8151 262 384 126 UniNet S.A. de C.V. 11172 206 77 43 Servicios Alestra S.A de C.V 16814 156 11 6 NSS, S.A. 6503 140 204 94 AVANTEL, S.A. 7303 139 51 31 Telecom Argentina Stet-France 6505 131 90 91 Global One Communicaoes Ltda 6147 119 78 20 Telefonica Del Peru 11556 88 73 25 Cable-Wireless Panama 11992 79 25 29 Integrated Systems 15311 78 18 38 Telefonica Empresas 6535 77 5 19 Chilesat Servicios Empresari 4270 71 18 9 Red de Interconexion Universi 11311 67 7 20 Sinectis S.A. 7080 66 4 2 Electronica y Comunicaciones 14420 66 4 20 ANDINATEL S.A. 27699 62 168 15 TELECOMUNICACOES DE SAO PAULO 5639 61 7 12 Telecommunications Services o 10292 61 6 28 TELECOMMUNICATIONS OF JAMAICA 7738 58 218 13 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 250 632 219 The Internet Solution 5536 104 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 32 2 1 ARN Network 9129 29 3 4 UUNET Kenya 16637 25 9 18 Johnnic e-Ventures 5713 24 93 22 Telkom SA Ltd 24835 24 18 6 RAYA Telecom - Egypt 12455 22 4 2 Jambonet Autonomous system 6713 21 38 8 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 17148 14 1 8 First National Bank 8346 13 6 12 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 689 680 Covad Communications 4134 669 551 Data Communications Bureau 4323 692 491 Time Warner Communications, I 6197 733 463 BellSouth Network Solutions, 701 1346 385 UUNET Technologies, Inc. 7843 508 378 Adelphia Corp. 27364 382 359 Armstrong Cable Services 6198 546 350 BellSouth Network Solutions, 5668 346 331 Century Telephone 9583 351 327 Satyam Infoway Ltd., 22909 342 322 Comcast Cable Corporation 22773 344 310 Cox Communications, Inc. Atla 4755 365 307 Videsh Sanchar Nigam Ltd. Aut 4355 397 294 EarthLink, Inc. 6140 357 293 ImpSat 1239 939 283 Sprint 376 381 267 Reseau Interordinateurs Scien 9443 349 266 Primus Telecommunications 20115 610 265 Charter Communications 17676 296 259 XTAGE CORPORATION List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65412 PRIVATE 64.70.42.0/24 3561 Cable & Wireless USA 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom 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 /12:59 /13:106 /14:290 /15:504 /16:7571 /17:1898 /18:3481 /19:8973 /20:9350 /21:6797 /22:9660 /23:11169 /24:73099 /25:187 /26:285 /27:158 /28:28 /29:8 /30:16 /31:0 /32:14 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 672 689 Covad Communications 6197 574 733 BellSouth Network Solutions, 7018 499 1403 AT&T 3356 433 807 Level 3 Communications, LLC 702 415 681 UUNET - Commercial IP service 6198 394 546 BellSouth Network Solutions, 7066 393 499 Virginia Polytechnic Institut 20115 380 610 Charter Communications 701 376 1346 UUNET Technologies, Inc. 27364 375 382 Armstrong Cable Services 690 360 397 Merit Network 1239 331 939 Sprint 5668 305 346 Century Telephone 19029 256 388 New Edge Networks 4766 251 425 Korea Internet Exchange for " 25844 244 244 Skadden, Arps, Slate, Meagher 3320 234 286 Deutsche Telekom AG 6517 225 249 Yipes Communications, Inc. 6386 224 250 bellsouth.net, inc. 13609 220 260 Choice One Communications Inc Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:781 13:1 15:6 16:1 17:3 20:8 24:842 32:84 38:48 40:26 44:2 55:1 56:1 57:13 61:375 62:463 63:1822 64:1862 65:1898 66:2389 67:274 68:612 69:407 80:471 81:226 82:82 83:7 128:140 129:261 130:84 131:78 132:16 134:172 135:16 136:186 137:108 138:150 139:42 140:160 141:135 142:106 143:48 144:81 145:37 146:285 147:75 148:332 149:84 150:123 151:62 152:215 153:59 154:1 155:134 156:66 157:50 158:148 159:141 160:49 161:52 162:382 163:74 164:326 165:162 166:106 167:210 168:181 169:98 170:295 171:8 192:5515 193:2596 194:2024 195:1323 196:523 198:3640 199:2953 200:3065 201:7 202:4452 203:5445 204:3016 205:1994 206:2248 207:2601 208:2388 209:2861 210:1095 211:463 212:909 213:1052 214:25 215:27 216:3362 217:834 218:139 219:98 220:175 221:18 222:5 End of report
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