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Weekly Routing Table Report
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Routing Table Analysis
cscora at thyme.apnic.net
Fri May 7 20:05:51 CEST 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 08 May, 2004 Analysis Summary ---------------- BGP routing table entries examined: 137631 Prefixes after maximum aggregation: 83480 Unique aggregates announced to Internet: 66521 Total ASes present in the Internet Routing Table: 17179 Origin-only ASes present in the Internet Routing Table: 14905 Origin ASes announcing only one prefix: 6909 Transit ASes present in the Internet Routing Table: 2274 Transit-only ASes present in the Internet Routing Table: 77 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 26 Illegal AS announcements present in the Routing Table: 9 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 17 Number of addresses announced to Internet: 1302144952 Equivalent to 77 /8s, 157 /16s and 39 /24s Percentage of available address space announced: 35.1 Percentage of allocated address space announced: 57.7 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 100467 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 26174 Total APNIC prefixes after maximum aggregation: 13639 Prefixes being announced from the APNIC address blocks: 24488 Unique aggregates announced from the APNIC address blocks: 13704 APNIC Region origin ASes present in the Internet Routing Table: 2048 APNIC Region origin ASes announcing only one prefix: 609 APNIC Region transit ASes present in the Internet Routing Table: 323 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 146339328 Equivalent to 8 /8s, 184 /16s and 246 /24s Percentage of available APNIC address space announced: 66.8 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 79143 Total ARIN prefixes after maximum aggregation: 48914 Prefixes being announced from the ARIN address blocks: 61132 Unique aggregates announced from the ARIN address blocks: 21290 ARIN Region origin ASes present in the Internet Routing Table: 9155 ARIN Region origin ASes announcing only one prefix: 3257 ARIN Region transit ASes present in the Internet Routing Table: 899 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 222893344 Equivalent to 13 /8s, 73 /16s and 21 /24s Percentage of available ARIN address space announced: 73.8 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: 25320 Total RIPE prefixes after maximum aggregation: 18039 Prefixes being announced from the RIPE address blocks: 22126 Unique aggregates announced from the RIPE address blocks: 14602 RIPE Region origin ASes present in the Internet Routing Table: 5432 RIPE Region origin ASes announcing only one prefix: 2916 RIPE Region transit ASes present in the Internet Routing Table: 937 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 160343808 Equivalent to 9 /8s, 142 /16s and 167 /24s Percentage of available RIPE address space announced: 56.2 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, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5844 Total LACNIC prefixes after maximum aggregation: 2215 Prefixes being announced from the LACNIC address blocks: 5496 Unique aggregates announced from the LACNIC address blocks: 3424 LACNIC Region origin ASes present in the Internet Routing Table: 375 LACNIC Region origin ASes announcing only one prefix: 104 LACNIC Region transit ASes present in the Internet Routing Table: 73 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 14763008 Equivalent to 0 /8s, 225 /16s and 68 /24s Percentage of available LACNIC address space announced: 44.0 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1149 Total AfriNIC prefixes after maximum aggregation: 673 Prefixes being announced from the AfriNIC address blocks: 763 Unique aggregates announced from the AfriNIC address blocks: 569 AfriNIC Region origin ASes present in the Internet Routing Table: 91 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: 15 Number of AfriNIC addresses announced to Internet: 1849600 Equivalent to 0 /8s, 28 /16s and 57 /24s Percentage of available AfriNIC address space announced: 11.0 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 852 1091 618 Telstra Pty Ltd 4134 769 3482 139 Data Communications Bureau 4766 483 2901 259 Korea Internet Exchange for " 9583 463 40 81 Satyam Infoway Ltd., 2907 354 1840 328 SINET Japan 4755 354 125 50 Videsh Sanchar Nigam Ltd. Aut 9443 353 69 78 Primus Telecommunications 9929 344 155 31 China Netcom Corp. 17676 341 5084 33 XTAGE CORPORATION 703 332 375 259 UUNET 17557 325 23 165 Pakistan Telecom 2764 292 274 240 connect.com.au pty ltd 7474 271 268 210 Optus Communications Pty Ltd 9942 222 71 126 COMindico Australia 9800 219 364 59 CHINA UNICOM 4780 212 193 26 Digital United Inc. 9498 190 31 45 BHARTI BT INTERNET LTD. 4837 182 1683 105 chinanet IDC center beijing n 9304 171 161 25 Hutchison Telecom (HK) 7633 159 23 43 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1456 6943 1012 AT&T 701 1318 8538 944 UUNET Technologies, Inc. 1239 930 3016 631 Sprint 3356 893 10951 684 Level 3 Communications, LLC 209 739 3469 502 Qwest 4323 718 561 199 Time Warner Communications, I 18566 701 192 8 Covad Communications 6197 697 517 265 BellSouth Network Solutions, 6198 568 372 210 BellSouth Network Solutions, 20115 519 827 265 Charter Communications 852 513 1142 404 Telus Advanced Communications 7066 505 208 274 Virginia Polytechnic Institut 7843 500 643 112 Adelphia Corp. 7132 450 7847 333 Southwestern Bell Internet Se 2386 425 579 231 AT&T Data Communications Serv 6347 401 388 94 SAVVIS Communications Corpora 705 398 145 273 UUNET Technologies, Inc. 4355 391 323 101 EarthLink, Inc. 22909 390 844 26 Comcast Cable Corporation 376 380 343 112 Reseau Interordinateurs Scien RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 655 2038 549 UUNET - Commercial IP service 3320 297 2477 237 Deutsche Telekom AG 3301 270 968 260 TeliaNet Sweden 8220 266 412 254 COLT Internet - International 680 244 2025 239 DFN-IP service G-WiN 1257 243 511 196 SWIPnet Swedish IP Network 13083 216 51 8 Mannesmann Datenverarbeitung 5515 201 779 143 Sonera Solution Autonomous Sy 3246 198 450 195 Song Networks 719 197 288 103 LANLINK autonomous system 3215 177 837 70 France Telecom Transpac 25186 176 188 117 France Telecom Transpac's Tra 786 175 1826 175 The JANET IP Service 8708 174 111 163 Romania Data Systems S.A. 5400 154 238 135 BT Ignite European Backbone 6746 138 28 114 Dynamic Network Technologies, 3269 134 1101 65 TELECOM ITALIA 3303 130 606 130 Swisscom Ltd 12302 122 18 29 MobiFon S.A. 1273 112 166 88 Cable & Wireless Deutschland LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 382 122 69 ImpSat 8151 267 373 129 UniNet S.A. de C.V. 11172 214 77 49 Servicios Alestra S.A de C.V 16814 171 11 6 NSS, S.A. 6147 153 78 20 Telefonica Del Peru 7303 142 53 29 Telecom Argentina Stet-France 6505 132 90 91 Global One Communicaoes Ltda 6503 130 219 89 AVANTEL, S.A. 11556 88 73 25 Cable-Wireless Panama 11992 88 9 28 Integrated Systems 6535 80 5 20 Chilesat Servicios Empresari 15311 74 18 37 Telefonica Empresas 4270 71 18 9 Red de Interconexion Universi 14535 70 6 5 Techtel S.A. 11311 69 7 19 Sinectis S.A. 14259 69 4 5 GTD Internet S.A. 14420 69 4 28 ANDINATEL S.A. 7080 64 4 1 Electronica y Comunicaciones 10292 63 6 25 TELECOMMUNICATIONS OF JAMAICA 5639 62 8 8 Telecommunications Services o AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 254 632 219 The Internet Solution 5536 106 8 3 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 89 272 79 The Internetworking Company o 11845 36 9 11 Data Pro Business Online 24835 31 18 6 RAYA Telecom - Egypt 9129 29 3 4 UUNET Kenya 5713 26 125 24 Telkom SA Ltd 16637 25 9 18 Johnnic e-Ventures 6713 24 38 9 Itissalat Al-MAGHRIB 12455 24 4 2 Jambonet Autonomous system 14988 24 16 1 Botswana Telecommunications C 8524 22 2 4 AUCEGYPT Autonomous System 10798 18 1 12 Standard Bank of South Africa 15706 16 2 3 Sudatel Internet Exchange Aut 12258 15 3 10 Vodacom Internet Company 8346 13 6 12 SONATEL-AS Autonomous System 15808 13 1 5 Communication Solutions Ltd i 17148 13 1 7 First National Bank 2609 12 26 4 Tunisia BackBone AS Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 701 693 Covad Communications 4134 769 630 Data Communications Bureau 4323 718 519 Time Warner Communications, I 6197 697 432 BellSouth Network Solutions, 7843 500 388 Adelphia Corp. 9583 463 382 Satyam Infoway Ltd., 701 1318 374 UUNET Technologies, Inc. 22909 390 364 Comcast Cable Corporation 5668 379 363 Century Telephone 6198 568 358 BellSouth Network Solutions, 27364 364 345 Armstrong Cable Services 22773 369 329 Cox Communications, Inc. Atla 6140 382 313 ImpSat 9929 344 313 China Netcom Corp. 17676 341 308 XTAGE CORPORATION 6347 401 307 SAVVIS Communications Corpora 4755 354 304 Videsh Sanchar Nigam Ltd. Aut 1239 930 299 Sprint 4355 391 290 EarthLink, Inc. 9443 353 275 Primus Telecommunications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom 30306 UNALLOCATED 212.85.220.0/24 5713 Telkom SA Ltd 30306 UNALLOCATED 212.85.220.0/22 5713 Telkom SA Ltd 30306 UNALLOCATED 212.85.221.0/24 5713 Telkom SA Ltd 30306 UNALLOCATED 212.85.222.0/24 5713 Telkom SA Ltd 30306 UNALLOCATED 212.85.223.0/24 5713 Telkom SA Ltd Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 156.154.16.0/22 7786 Lockheed Martin IMS 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 /9:3 /10:6 /11:16 /12:58 /13:114 /14:294 /15:507 /16:7744 /17:1998 /18:3567 /19:9361 /20:9805 /21:7074 /22:10120 /23:11445 /24:74792 /25:210 /26:256 /27:141 /28:30 /29:5 /30:54 /31:0 /32:12 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7018 1091 1456 AT&T 701 994 1318 UUNET Technologies, Inc. 1221 758 852 Telstra Pty Ltd 18566 684 701 Covad Communications 1239 664 930 Sprint 3356 650 893 Level 3 Communications, LLC 6197 585 697 BellSouth Network Solutions, 4323 504 718 Time Warner Communications, I 209 490 739 Qwest 7066 477 505 Virginia Polytechnic Institut 6198 458 568 BellSouth Network Solutions, 9583 450 463 Satyam Infoway Ltd., 702 435 655 UUNET - Commercial IP service 4766 396 483 Korea Internet Exchange for " 5668 360 379 Century Telephone 6140 357 382 ImpSat 705 352 398 UUNET Technologies, Inc. 852 352 513 Telus Advanced Communications 27364 352 364 Armstrong Cable Services 2386 346 425 AT&T Data Communications Serv Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:817 13:1 15:4 16:1 17:3 20:8 24:721 32:96 38:66 40:54 44:3 55:1 56:4 57:13 61:408 62:491 63:1844 64:1862 65:1983 66:2509 67:308 68:511 69:526 70:64 80:506 81:282 82:169 83:57 128:150 129:205 130:77 131:89 132:18 133:2 134:184 135:17 136:188 137:104 138:149 139:39 140:154 141:134 142:113 143:52 144:90 145:41 146:292 147:77 148:370 149:113 150:93 151:64 152:184 153:62 154:1 155:123 156:58 157:54 158:144 159:147 160:48 161:53 162:380 163:77 164:333 165:160 166:99 167:218 168:220 169:105 170:286 171:8 192:5533 193:2689 194:2030 195:1372 196:540 198:3644 199:3030 200:3289 201:8 202:4536 203:5523 204:2997 205:1973 206:2258 207:2488 208:2279 209:2837 210:1382 211:515 212:954 213:1139 214:37 215:28 216:3377 217:908 218:169 219:99 220:212 221:28 222:28 End of report
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