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Weekly Routing Table Report
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Routing Table Analysis
cscora at thyme.apnic.net
Fri Nov 21 19:06:51 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 22 Nov, 2003 Analysis Summary ---------------- BGP routing table entries examined: 130240 Prefixes after maximum aggregation: 80494 Unique aggregates announced to Internet: 62440 Total ASes present in the Internet Routing Table: 16223 Origin-only ASes present in the Internet Routing Table: 14087 Origin ASes announcing only one prefix: 6455 Transit ASes present in the Internet Routing Table: 2136 Transit-only ASes present in the Internet Routing Table: 71 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 21 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: 13 Number of addresses announced to Internet: 1260398948 Equivalent to 75 /8s, 32 /16s and 41 /24s Percentage of available address space announced: 34.0 Percentage of allocated address space announced: 59.3 Percentage of available address space allocated: 57.3 Total number of prefixes smaller than registry allocations: 57504 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 23668 Total APNIC prefixes after maximum aggregation: 12972 Prefixes being announced from the APNIC address blocks: 22061 Unique aggregates announced from the APNIC address blocks: 12587 APNIC Region origin ASes present in the Internet Routing Table: 1949 APNIC Region origin ASes announcing only one prefix: 581 APNIC Region transit ASes present in the Internet Routing Table: 318 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 128246528 Equivalent to 7 /8s, 164 /16s and 227 /24s Percentage of available APNIC address space announced: 69.1 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: 76901 Total ARIN prefixes after maximum aggregation: 47801 Prefixes being announced from the ARIN address blocks: 59640 Unique aggregates announced from the ARIN address blocks: 20603 ARIN Region origin ASes present in the Internet Routing Table: 8756 ARIN Region origin ASes announcing only one prefix: 3053 ARIN Region transit ASes present in the Internet Routing Table: 828 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 209654176 Equivalent to 12 /8s, 127 /16s and 17 /24s Percentage of available ARIN address space announced: 73.5 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: 23018 Total RIPE prefixes after maximum aggregation: 16806 Prefixes being announced from the RIPE address blocks: 19857 Unique aggregates announced from the RIPE address blocks: 13182 RIPE Region origin ASes present in the Internet Routing Table: 4988 RIPE Region origin ASes announcing only one prefix: 2685 RIPE Region transit ASes present in the Internet Routing Table: 877 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 141825024 Equivalent to 8 /8s, 116 /16s and 20 /24s Percentage of available RIPE address space announced: 65.0 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: 5544 Total LACNIC prefixes after maximum aggregation: 2214 Prefixes being announced from the LACNIC address blocks: 5051 Unique aggregates announced from the LACNIC address blocks: 3056 LACNIC Region origin ASes present in the Internet Routing Table: 364 LACNIC Region origin ASes announcing only one prefix: 107 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 13495040 Equivalent to 0 /8s, 205 /16s and 235 /24s Percentage of available LACNIC address space announced: 40.2 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: 701 Prefixes being announced from the AfriNIC address blocks: 723 Unique aggregates announced from the AfriNIC address blocks: 556 AfriNIC Region origin ASes present in the Internet Routing Table: 95 AfriNIC Region origin ASes announcing only one prefix: 29 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 5.0 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 953 1119 681 Telstra Pty Ltd 4134 397 2432 111 Data Communications Bureau 2907 374 1864 350 SINET Japan 4755 349 131 58 Videsh Sanchar Nigam Ltd. Aut 9443 337 71 82 Primus Telecommunications 703 325 355 258 UUNET 17557 300 21 151 Pakistan Telecom 17676 281 4156 32 XTAGE CORPORATION 2764 278 287 238 connect.com.au pty ltd 4766 264 2896 191 Korea Internet Exchange for " 7474 264 306 215 Optus Communications Pty Ltd 4538 248 1778 22 China Education and Research 9583 236 44 11 Satyam Infoway Ltd., 3786 234 773 203 DACOM Corporation 9929 215 165 38 China Netcom Corp. 9800 207 343 57 CHINA UNICOM 9942 202 68 117 COMindico Australia 9498 171 22 29 BHARTI BT INTERNET LTD. 17642 154 40 113 RequestDSL BGP AS# for Sydney 4837 145 1253 98 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1437 8668 993 UUNET Technologies, Inc. 7018 1373 7016 946 AT&T 1239 948 3108 663 Sprint 209 886 3474 539 Qwest 6197 751 434 212 BellSouth Network Solutions, 18566 728 176 8 Covad Communications 4323 689 594 201 Time Warner Communications, I 3356 676 10870 551 Level 3 Communications, LLC 6198 615 373 225 BellSouth Network Solutions, 20115 583 316 330 Charter Communications 7843 524 498 123 Adelphia Corp. 852 516 1107 409 Telus Advanced Communications 7066 509 207 271 Virginia Polytechnic Institut 7132 439 7225 306 Southwestern Bell Internet Se 19029 414 174 275 New Edge Networks 2386 404 543 211 AT&T Data Communications Serv 690 400 58 270 Merit Network 4355 390 329 101 EarthLink, Inc. 705 383 180 239 UUNET Technologies, Inc. 376 358 359 114 Reseau Interordinateurs Scien RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 694 2092 575 UUNET - Commercial IP service 3301 305 1170 290 TeliaNet Sweden 3320 276 1988 230 Deutsche Telekom AG 8220 257 420 246 COLT Internet - International 1257 237 455 188 SWIPnet Swedish IP Network 680 232 2054 229 DFN-IP service G-WiN 13083 215 51 8 Mannesmann Datenverarbeitung 5400 190 175 139 BT Ignite European Backbone 3246 178 438 176 Song Networks 786 175 1826 175 The JANET IP Service 5515 175 778 137 Sonera Solution Autonomous Sy 8708 162 111 156 Romania Data Systems S.A. 3215 160 687 81 France Telecom Transpac 25186 160 181 113 France Telecom Transpac's Tra 3303 145 557 139 Swisscom Ltd 719 134 288 104 LANLINK autonomous system 12302 126 18 33 MobiFon S.A. 3269 118 911 65 TELECOM ITALIA 2856 117 1294 108 BTnet UK Regional network 6746 103 16 77 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 343 120 66 ImpSat 8151 233 351 125 UniNet S.A. de C.V. 11172 192 77 42 Servicios Alestra S.A de C.V 7303 181 43 33 Telecom Argentina Stet-France 16814 156 10 5 NSS, S.A. 6505 134 91 94 Global One Communicaoes Ltda 6503 128 205 92 AVANTEL, S.A. 10620 123 8 27 TVCABLE BOGOTA 6147 121 70 19 Telefonica Del Peru 11340 107 3 30 Red Universitaria Nacional 11992 86 25 31 Integrated Systems 8065 83 10 19 Empresas Publicas de Medellin 15311 76 16 39 Telefonica Empresas 6535 75 5 18 Chilesat Servicios Empresari 4270 71 18 9 Red de Interconexion Universi 11311 66 7 22 Sinectis S.A. 7080 64 4 1 Electronica y Comunicaciones 14420 61 4 23 ANDINATEL 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 250 632 219 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 55 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 16637 26 9 19 Johnnic e-Ventures 9129 25 3 4 UUNET Kenya 5713 24 93 22 Telkom SA Ltd 12455 23 4 2 Jambonet Autonomous system 6713 21 38 8 Itissalat Al-MAGHRIB 10798 18 1 12 Standard Bank of South Africa 3208 17 2 1 ARN Network 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 8346 12 6 12 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 728 720 Covad Communications 6197 751 539 BellSouth Network Solutions, 4323 689 488 Time Warner Communications, I 7018 1373 427 AT&T 7843 524 401 Adelphia Corp. 6198 615 390 BellSouth Network Solutions, 209 886 347 Qwest 27364 353 329 Armstrong Cable Services 22909 312 302 Comcast Cable Corporation 4755 349 291 Videsh Sanchar Nigam Ltd. Aut 5668 309 290 Century Telephone 4355 390 289 EarthLink, Inc. 4134 397 286 Data Communications Bureau 1239 948 285 Sprint 22773 310 284 Cox Communications, Inc. Atla 6140 343 277 ImpSat 1221 953 272 Telstra Pty Ltd 9443 337 255 Primus Telecommunications 6347 333 254 SAVVIS Communications Corpora 20115 583 253 Charter Communications 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 64560 PRIVATE 198.137.16.0/20 3479 Kennesaw State Colle 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 192.172.0.0/19 568 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 /13:97 /14:275 /15:480 /16:7459 /17:1828 /18:3277 /19:8673 /20:9173 /21:6655 /22:9353 /23:10911 /24:71201 /25:180 /26:229 /27:165 /28:71 /29:22 /30:51 /31:0 /32:41 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 722 728 Covad Communications 6197 607 751 BellSouth Network Solutions, 7018 502 1373 AT&T 6198 476 615 BellSouth Network Solutions, 701 441 1437 UUNET Technologies, Inc. 702 418 694 UUNET - Commercial IP service 7066 401 509 Virginia Polytechnic Institut 20115 366 583 Charter Communications 690 361 400 Merit Network 27364 347 353 Armstrong Cable Services 3356 342 676 Level 3 Communications, LLC 1239 328 948 Sprint 209 311 886 Qwest 5668 275 309 Century Telephone 19029 264 414 New Edge Networks 25844 244 244 Skadden, Arps, Slate, Meagher 3320 218 276 Deutsche Telekom AG 4355 216 390 EarthLink, Inc. 6517 212 237 Yipes Communications, Inc. 14824 201 226 NewSouth Communications Corp. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:2 12:757 13:1 15:6 16:1 17:3 20:7 24:870 32:88 38:43 40:23 43:1 44:2 55:1 56:1 57:14 61:336 62:462 63:1841 64:1807 65:1791 66:2191 67:278 68:628 69:337 80:443 81:173 82:33 128:161 129:160 130:68 131:82 132:18 134:174 135:16 136:185 137:113 138:139 139:50 140:166 141:140 142:110 143:48 144:63 145:39 146:286 147:71 148:312 149:85 150:118 151:60 152:208 153:58 154:1 155:129 156:60 157:61 158:139 159:136 160:46 161:49 162:364 163:74 164:323 165:166 166:107 167:212 168:179 169:93 170:311 171:9 192:5491 193:2433 194:2007 195:1301 196:515 198:3630 199:2842 200:3024 201:3 202:4179 203:5327 204:2935 205:2022 206:2290 207:2621 208:2490 209:2792 210:947 211:412 212:894 213:982 214:17 215:24 216:3364 217:788 218:118 219:87 220:119 221:17 222:1 End of report
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