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Weekly Routing Table Report
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Routing Table Analysis
cscora at thyme.apnic.net
Fri Nov 7 19:06:40 CET 2003
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 08 Nov, 2003 Analysis Summary ---------------- BGP routing table entries examined: 130290 Prefixes after maximum aggregation: 80744 Unique aggregates announced to Internet: 62286 Total ASes present in the Internet Routing Table: 16159 Origin-only ASes present in the Internet Routing Table: 14024 Origin ASes announcing only one prefix: 6401 Transit ASes present in the Internet Routing Table: 2135 Transit-only ASes present in the Internet Routing Table: 71 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 21 Illegal AS announcements present in the Routing Table: 2 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 14 Number of addresses announced to Internet: 1254661956 Equivalent to 74 /8s, 200 /16s and 159 /24s Percentage of available address space announced: 33.9 Percentage of allocated address space announced: 60.5 Percentage of available address space allocated: 56.0 Total number of prefixes smaller than registry allocations: 57697 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 23473 Total APNIC prefixes after maximum aggregation: 12934 Prefixes being announced from the APNIC address blocks: 21867 Unique aggregates announced from the APNIC address blocks: 12574 APNIC Region origin ASes present in the Internet Routing Table: 1947 APNIC Region origin ASes announcing only one prefix: 582 APNIC Region transit ASes present in the Internet Routing Table: 313 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 125139200 Equivalent to 7 /8s, 117 /16s and 121 /24s Percentage of available APNIC address space announced: 67.4 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: 77109 Total ARIN prefixes after maximum aggregation: 48023 Prefixes being announced from the ARIN address blocks: 59753 Unique aggregates announced from the ARIN address blocks: 20510 ARIN Region origin ASes present in the Internet Routing Table: 8739 ARIN Region origin ASes announcing only one prefix: 3025 ARIN Region transit ASes present in the Internet Routing Table: 837 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 208638880 Equivalent to 12 /8s, 111 /16s and 147 /24s Percentage of available ARIN address space announced: 73.2 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: 23031 Total RIPE prefixes after maximum aggregation: 16830 Prefixes being announced from the RIPE address blocks: 19900 Unique aggregates announced from the RIPE address blocks: 13074 RIPE Region origin ASes present in the Internet Routing Table: 4945 RIPE Region origin ASes announcing only one prefix: 2659 RIPE Region transit ASes present in the Internet Routing Table: 871 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 140820480 Equivalent to 8 /8s, 100 /16s and 192 /24s Percentage of available RIPE address space announced: 76.3 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, 80/7, 82/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5569 Total LACNIC prefixes after maximum aggregation: 2249 Prefixes being announced from the LACNIC address blocks: 5090 Unique aggregates announced from the LACNIC address blocks: 3197 LACNIC Region origin ASes present in the Internet Routing Table: 359 LACNIC Region origin ASes announcing only one prefix: 104 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: 15 Number of LACNIC addresses announced to Internet: 13467648 Equivalent to 0 /8s, 205 /16s and 128 /24s Percentage of available LACNIC address space announced: 40.1 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1107 Total AfriNIC prefixes after maximum aggregation: 708 Prefixes being announced from the AfriNIC address blocks: 721 Unique aggregates announced from the AfriNIC address blocks: 556 AfriNIC Region origin ASes present in the Internet Routing Table: 97 AfriNIC Region origin ASes announcing only one prefix: 31 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1753344 Equivalent to 0 /8s, 26 /16s and 193 /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 952 1108 680 Telstra Pty Ltd 2907 369 1880 346 SINET Japan 4134 369 2371 109 Data Communications Bureau 4755 363 131 57 Videsh Sanchar Nigam Ltd. Aut 703 331 356 264 UUNET 17557 300 21 149 Pakistan Telecom 2764 292 288 251 connect.com.au pty ltd 17676 280 4140 31 XTAGE CORPORATION 9583 268 44 11 Satyam Infoway Ltd., 7474 266 306 212 Optus Communications Pty Ltd 9443 264 72 83 Primus Telecommunications 4766 257 2463 184 Korea Internet Exchange for " 3786 233 773 203 DACOM Corporation 4538 215 1714 21 China Education and Research 9800 206 343 60 CHINA UNICOM 9498 205 22 29 BHARTI BT INTERNET LTD. 9942 201 69 115 COMindico Australia 9929 192 163 36 China Netcom Corp. 17642 156 40 115 RequestDSL BGP AS# for Sydney 4739 145 60 134 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1435 8665 991 UUNET Technologies, Inc. 7018 1369 7035 949 AT&T 209 1095 3471 529 Qwest 1239 924 3053 668 Sprint 18566 720 176 8 Covad Communications 4323 685 592 200 Time Warner Communications, I 6197 667 404 273 BellSouth Network Solutions, 3356 619 10803 508 Level 3 Communications, LLC 6198 575 328 196 BellSouth Network Solutions, 20115 541 280 307 Charter Communications 7843 521 482 119 Adelphia Corp. 852 514 1107 407 Telus Advanced Communications 7066 511 207 271 Virginia Polytechnic Institut 7132 500 7191 297 Southwestern Bell Internet Se 19029 423 174 275 New Edge Networks 690 400 58 270 Merit Network 4355 398 331 105 EarthLink, Inc. 2386 397 558 204 AT&T Data Communications Serv 705 394 183 238 UUNET Technologies, Inc. 376 360 359 115 Reseau Interordinateurs Scien RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 697 2094 578 UUNET - Commercial IP service 3301 310 1169 288 TeliaNet Sweden 3320 278 2004 235 Deutsche Telekom AG 8220 259 421 248 COLT Internet - International 1257 239 455 190 SWIPnet Swedish IP Network 680 232 2054 229 DFN-IP service G-WiN 13083 215 51 8 Mannesmann Datenverarbeitung 5400 187 174 136 BT Ignite European Backbone 5515 179 778 141 Sonera Solution Autonomous Sy 786 175 1826 175 The JANET IP Service 3215 164 703 83 France Telecom Transpac 8708 161 111 155 Romania Data Systems S.A. 25186 151 166 108 France Telecom Transpac's Tra 3303 145 557 139 Swisscom Ltd 719 137 288 106 LANLINK autonomous system 6664 134 11 99 TELECOM ITALIA 3246 126 378 124 Song Networks 12302 126 18 33 MobiFon S.A. 2856 118 1294 109 BTnet UK Regional network 3269 118 911 65 TELECOM ITALIA LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 340 105 101 ImpSat 8151 234 351 126 UniNet S.A. de C.V. 7303 195 42 48 Telecom Argentina Stet-France 11172 192 77 42 Servicios Alestra S.A de C.V 16814 156 10 5 NSS, S.A. 6505 134 91 94 Global One Communicaoes Ltda 6503 127 205 91 AVANTEL, S.A. 6147 122 70 19 Telefonica Del Peru 10620 122 8 26 TVCABLE BOGOTA 11340 106 3 29 Red Universitaria Nacional 11992 85 24 32 Integrated Systems 8065 79 10 17 Empresas Publicas de Medellin 15311 76 16 39 Telefonica Empresas 6535 75 5 18 Chilesat Servicios Empresari 4270 68 18 9 Red de Interconexion Universi 11311 66 7 22 Sinectis S.A. 7080 64 4 1 Electronica y Comunicaciones 14535 61 6 6 Techtel S.A. 27699 60 152 15 TELECOMUNICACOES DE SAO PAULO 1916 59 262 39 Fundacao de Amparo a Pesquisa AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 251 633 220 The Internet Solution 2018 94 297 92 Tertiary Education Network 5536 88 7 23 Internet Egypt Network 2905 59 245 52 The Internetworking Company o 2561 53 6 3 Egyptian Universities Network 11845 35 9 10 Data Pro Business Online 11569 31 29 28 satellite data networks 16284 30 3 5 GST-N Autonomous System 12455 25 4 2 Jambonet Autonomous system 5713 24 93 22 Telkom SA Ltd 9129 24 3 4 UUNET Kenya 16637 24 9 17 Johnnic e-Ventures 6713 22 38 9 Itissalat Al-MAGHRIB 10798 18 1 12 Standard Bank of South Africa 8524 17 1 3 AUCEGYPT Autonomous System 15706 15 2 5 Sudatel Internet Exchange Aut 3208 14 2 1 ARN Network 12258 14 3 9 Vodacom Internet Company 17148 14 1 8 First National Bank 8346 12 6 12 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 720 712 Covad Communications 209 1095 566 Qwest 4323 685 485 Time Warner Communications, I 7018 1369 420 AT&T 7843 521 402 Adelphia Corp. 6197 667 394 BellSouth Network Solutions, 6198 575 379 BellSouth Network Solutions, 27364 338 315 Armstrong Cable Services 4755 363 306 Videsh Sanchar Nigam Ltd. Aut 4355 398 293 EarthLink, Inc. 22909 312 293 Comcast Cable Corporation 5668 309 292 Century Telephone 22773 300 280 Cox Communications, Inc. Atla 1221 952 272 Telstra Pty Ltd 6347 345 266 SAVVIS Communications Corpora 4134 369 260 Data Communications Bureau 9583 268 257 Satyam Infoway Ltd., 1239 924 256 Sprint 17676 280 249 XTAGE CORPORATION 376 360 245 Reseau Interordinateurs Scien List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18413 UNALLOCATED 61.67.0.0/20 4747 Taiwan Telecommunica 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 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 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.153.136.0/21 568 DISO-UNRRA 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 /11:13 /12:57 /13:96 /14:271 /15:470 /16:7460 /17:1802 /18:3240 /19:8631 /20:9174 /21:6677 /22:9499 /23:10875 /24:71227 /25:175 /26:241 /27:168 /28:71 /29:23 /30:50 /31:0 /32:41 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 714 720 Covad Communications 6197 524 667 BellSouth Network Solutions, 7018 494 1369 AT&T 209 451 1095 Qwest 6198 442 575 BellSouth Network Solutions, 701 440 1435 UUNET Technologies, Inc. 702 417 697 UUNET - Commercial IP service 7066 403 511 Virginia Polytechnic Institut 690 361 400 Merit Network 20115 347 541 Charter Communications 27364 332 338 Armstrong Cable Services 1239 329 924 Sprint 3356 310 619 Level 3 Communications, LLC 5668 275 309 Century Telephone 19029 274 423 New Edge Networks 25844 244 244 Skadden, Arps, Slate, Meagher 3320 220 278 Deutsche Telekom AG 4355 220 398 EarthLink, Inc. 6517 215 239 Yipes Communications, Inc. 14824 200 225 NewSouth Communications Corp. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:2 12:747 13:1 15:6 16:1 17:2 20:7 24:880 25:1 32:82 38:42 40:23 43:1 44:2 55:1 57:14 61:333 62:463 63:1838 64:1794 65:1794 66:2182 67:274 68:416 69:312 80:439 81:157 82:69 128:154 129:160 130:66 131:83 132:17 134:173 135:10 136:183 137:121 138:131 139:48 140:194 141:138 142:102 143:46 144:59 145:36 146:283 147:67 148:307 149:81 150:120 151:78 152:211 153:59 154:1 155:130 156:65 157:59 158:140 159:140 160:46 161:68 162:364 163:68 164:328 165:155 166:107 167:311 168:179 169:96 170:323 171:9 192:5451 193:2421 194:2038 195:1344 196:513 198:3622 199:2854 200:3045 201:3 202:4201 203:5370 204:2936 205:2018 206:2279 207:2622 208:2515 209:2820 210:955 211:394 212:932 213:978 214:17 215:25 216:3364 217:778 218:114 219:83 220:115 221:20 222:1 End of report
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