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Weekly Routing Table Report
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Routing Table Analysis
cscora at thyme.apnic.net
Fri Oct 31 19:06:36 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 01 Nov, 2003 Analysis Summary ---------------- BGP routing table entries examined: 130815 Prefixes after maximum aggregation: 80863 Unique aggregates announced to Internet: 62654 Total ASes present in the Internet Routing Table: 16113 Origin-only ASes present in the Internet Routing Table: 13977 Origin ASes announcing only one prefix: 6377 Transit ASes present in the Internet Routing Table: 2136 Transit-only ASes present in the Internet Routing Table: 73 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: 1250623620 Equivalent to 74 /8s, 139 /16s and 0 /24s Percentage of available address space announced: 33.7 Percentage of allocated address space announced: 60.3 Percentage of available address space allocated: 56.0 Total number of prefixes smaller than registry allocations: 57815 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 23212 Total APNIC prefixes after maximum aggregation: 12931 Prefixes being announced from the APNIC address blocks: 21602 Unique aggregates announced from the APNIC address blocks: 12520 APNIC Region origin ASes present in the Internet Routing Table: 1938 APNIC Region origin ASes announcing only one prefix: 570 APNIC Region transit ASes present in the Internet Routing Table: 314 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 124557312 Equivalent to 7 /8s, 108 /16s and 152 /24s Percentage of available APNIC address space announced: 67.1 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: 78020 Total ARIN prefixes after maximum aggregation: 48178 Prefixes being announced from the ARIN address blocks: 60766 Unique aggregates announced from the ARIN address blocks: 20814 ARIN Region origin ASes present in the Internet Routing Table: 8718 ARIN Region origin ASes announcing only one prefix: 3018 ARIN Region transit ASes present in the Internet Routing Table: 838 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 208380320 Equivalent to 12 /8s, 107 /16s and 161 /24s Percentage of available ARIN address space announced: 73.1 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: 22896 Total RIPE prefixes after maximum aggregation: 16777 Prefixes being announced from the RIPE address blocks: 19764 Unique aggregates announced from the RIPE address blocks: 13078 RIPE Region origin ASes present in the Internet Routing Table: 4930 RIPE Region origin ASes announcing only one prefix: 2655 RIPE Region transit ASes present in the Internet Routing Table: 873 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 138494464 Equivalent to 8 /8s, 65 /16s and 66 /24s Percentage of available RIPE address space announced: 75.0 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, 80/7, 82/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5588 Total LACNIC prefixes after maximum aggregation: 2277 Prefixes being announced from the LACNIC address blocks: 5086 Unique aggregates announced from the LACNIC address blocks: 3261 LACNIC Region origin ASes present in the Internet Routing Table: 357 LACNIC Region origin ASes announcing only one prefix: 103 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: 13456640 Equivalent to 0 /8s, 205 /16s and 85 /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: 1098 Total AfriNIC prefixes after maximum aggregation: 700 Prefixes being announced from the AfriNIC address blocks: 718 Unique aggregates announced from the AfriNIC address blocks: 553 AfriNIC Region origin ASes present in the Internet Routing Table: 96 AfriNIC Region origin ASes announcing only one prefix: 31 AfriNIC Region transit ASes present in the Internet Routing Table: 10 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 1748736 Equivalent to 0 /8s, 26 /16s and 175 /24s Percentage of available AfriNIC address space announced: 10.4 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 954 1108 677 Telstra Pty Ltd 4755 384 131 67 Videsh Sanchar Nigam Ltd. Aut 2907 367 1879 344 SINET Japan 4134 366 2293 106 Data Communications Bureau 703 333 356 266 UUNET 2764 296 288 254 connect.com.au pty ltd 17557 293 20 150 Pakistan Telecom 17676 279 4124 34 XTAGE CORPORATION 9583 271 44 11 Satyam Infoway Ltd., 7474 264 306 210 Optus Communications Pty Ltd 4766 249 2462 184 Korea Internet Exchange for " 3786 233 773 203 DACOM Corporation 4538 215 1714 21 China Education and Research 9443 213 72 83 Primus Telecommunications 9800 203 342 54 CHINA UNICOM 9942 202 70 117 COMindico Australia 9498 201 21 26 BHARTI BT INTERNET LTD. 9929 192 160 36 China Netcom Corp. 17642 157 40 116 RequestDSL BGP AS# for Sydney 4739 145 58 134 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 209 2058 3403 540 Qwest 701 1445 8667 1000 UUNET Technologies, Inc. 7018 1363 7065 945 AT&T 1239 919 3052 665 Sprint 18566 715 176 8 Covad Communications 4323 680 576 196 Time Warner Communications, I 6197 648 445 242 BellSouth Network Solutions, 3356 622 10819 511 Level 3 Communications, LLC 6198 573 328 197 BellSouth Network Solutions, 20115 539 278 305 Charter Communications 852 516 1123 409 Telus Advanced Communications 7066 511 207 271 Virginia Polytechnic Institut 7843 509 481 128 Adelphia Corp. 19029 425 174 275 New Edge Networks 7132 415 7191 283 Southwestern Bell Internet Se 690 410 59 275 Merit Network 4355 398 332 108 EarthLink, Inc. 705 394 183 238 UUNET Technologies, Inc. 2386 388 526 201 AT&T Data Communications Serv 376 359 359 114 Reseau Interordinateurs Scien RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 697 2094 579 UUNET - Commercial IP service 3301 311 1170 289 TeliaNet Sweden 3320 279 2004 236 Deutsche Telekom AG 8220 258 421 247 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 186 172 134 BT Ignite European Backbone 5515 185 778 146 Sonera Solution Autonomous Sy 3215 183 688 90 France Telecom Transpac 786 174 1825 174 The JANET IP Service 8708 160 111 154 Romania Data Systems S.A. 3303 146 557 141 Swisscom Ltd 719 136 288 105 LANLINK autonomous system 6664 134 11 99 TELECOM ITALIA 25186 132 180 93 France Telecom Transpac's Tra 12302 126 18 33 MobiFon S.A. 3246 125 374 123 Song Networks 2856 118 1294 109 BTnet UK Regional network 3269 117 910 64 TELECOM ITALIA LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 337 104 99 ImpSat 8151 237 351 127 UniNet S.A. de C.V. 7303 194 42 47 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 128 205 92 AVANTEL, S.A. 10620 122 8 26 TVCABLE BOGOTA 6147 111 70 19 Telefonica Del Peru 11340 105 3 28 Red Universitaria Nacional 11992 88 24 30 Integrated Systems 8065 86 10 18 Empresas Publicas de Medellin 15311 76 16 39 Telefonica Empresas 6535 75 5 18 Chilesat Servicios Empresari 11830 74 22 29 Instituto Costarricense de El 4270 68 18 9 Red de Interconexion Universi 11311 66 7 22 Sinectis S.A. 7080 64 4 1 Electronica y Comunicaciones 27699 60 152 15 TELECOMUNICACOES DE SAO PAULO 1916 59 250 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 87 7 23 Internet Egypt Network 2905 59 245 52 The Internetworking Company o 2561 56 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 26 4 2 Jambonet Autonomous system 5713 24 93 22 Telkom SA Ltd 16637 24 9 17 Johnnic e-Ventures 6713 22 38 9 Itissalat Al-MAGHRIB 9129 22 3 4 UUNET Kenya 10798 17 1 11 Standard Bank of South Africa 15706 15 2 5 Sudatel Internet Exchange Aut 8524 14 1 3 AUCEGYPT Autonomous System 12258 14 3 9 Vodacom Internet Company 17148 14 1 8 First National Bank 3208 13 2 1 ARN Network 8346 12 6 12 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 715 707 Covad Communications 4323 680 484 Time Warner Communications, I 701 1445 445 UUNET Technologies, Inc. 7018 1363 418 AT&T 6197 648 406 BellSouth Network Solutions, 7843 509 381 Adelphia Corp. 6198 573 376 BellSouth Network Solutions, 4755 384 317 Videsh Sanchar Nigam Ltd. Aut 27364 316 293 Armstrong Cable Services 5668 310 293 Century Telephone 4355 398 290 EarthLink, Inc. 22909 305 284 Comcast Cable Corporation 22773 296 279 Cox Communications, Inc. Atla 1221 954 277 Telstra Pty Ltd 6347 346 266 SAVVIS Communications Corpora 4134 366 260 Data Communications Bureau 9583 271 260 Satyam Infoway Ltd., 1239 919 254 Sprint 376 359 245 Reseau Interordinateurs Scien 17676 279 245 XTAGE CORPORATION 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 /11:12 /12:55 /13:99 /14:270 /15:470 /16:7449 /17:1787 /18:3245 /19:8589 /20:9196 /21:6710 /22:9719 /23:10901 /24:71560 /25:160 /26:221 /27:159 /28:71 /29:23 /30:50 /31:0 /32:40 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 209 747 2058 Qwest 18566 709 715 Covad Communications 6197 505 648 BellSouth Network Solutions, 7018 490 1363 AT&T 701 444 1445 UUNET Technologies, Inc. 6198 440 573 BellSouth Network Solutions, 702 418 697 UUNET - Commercial IP service 7066 403 511 Virginia Polytechnic Institut 690 371 410 Merit Network 20115 347 539 Charter Communications 1239 326 919 Sprint 27364 310 316 Armstrong Cable Services 3356 307 622 Level 3 Communications, LLC 5668 276 310 Century Telephone 19029 276 425 New Edge Networks 25844 244 244 Skadden, Arps, Slate, Meagher 3320 221 279 Deutsche Telekom AG 4355 221 398 EarthLink, Inc. 10753 217 265 XCOM Technologies, INC. 6517 210 234 Yipes Communications, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:2 12:726 13:1 15:6 16:1 17:2 20:7 24:819 25:1 32:82 38:52 40:23 43:1 44:2 55:1 57:14 61:333 62:456 63:1902 64:1826 65:1855 66:2189 67:287 68:394 69:293 80:428 81:167 82:74 128:157 129:157 130:63 131:82 132:17 134:168 135:10 136:178 137:120 138:130 139:48 140:176 141:137 142:102 143:48 144:60 145:36 146:282 147:67 148:305 149:81 150:121 151:78 152:213 153:59 154:1 155:131 156:65 157:60 158:140 159:142 160:46 161:68 162:362 163:67 164:332 165:155 166:100 167:311 168:177 169:96 170:317 171:9 192:5447 193:2429 194:2020 195:1332 196:511 198:3669 199:2838 200:3085 201:3 202:4131 203:5308 204:3123 205:2151 206:2295 207:2718 208:2512 209:2841 210:952 211:392 212:934 213:942 214:17 215:21 216:3352 217:782 218:117 219:89 220:113 221:17 222:1 End of report
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