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Weekly Routing Table Report
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Routing Table Analysis
cscora at thyme.apnic.net
Fri Nov 14 19:06:38 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 15 Nov, 2003 Analysis Summary ---------------- BGP routing table entries examined: 130350 Prefixes after maximum aggregation: 80814 Unique aggregates announced to Internet: 62549 Total ASes present in the Internet Routing Table: 16194 Origin-only ASes present in the Internet Routing Table: 14063 Origin ASes announcing only one prefix: 6422 Transit ASes present in the Internet Routing Table: 2131 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 22 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: 13 Number of addresses announced to Internet: 1258832996 Equivalent to 75 /8s, 8 /16s and 68 /24s Percentage of available address space announced: 34.0 Percentage of allocated address space announced: 60.7 Percentage of available address space allocated: 56.0 Total number of prefixes smaller than registry allocations: 57571 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 23688 Total APNIC prefixes after maximum aggregation: 13048 Prefixes being announced from the APNIC address blocks: 22058 Unique aggregates announced from the APNIC address blocks: 12770 APNIC Region origin ASes present in the Internet Routing Table: 1942 APNIC Region origin ASes announcing only one prefix: 574 APNIC Region transit ASes present in the Internet Routing Table: 315 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 127993344 Equivalent to 7 /8s, 161 /16s and 6 /24s Percentage of available APNIC address space announced: 69.0 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: 76851 Total ARIN prefixes after maximum aggregation: 47908 Prefixes being announced from the ARIN address blocks: 59595 Unique aggregates announced from the ARIN address blocks: 20575 ARIN Region origin ASes present in the Internet Routing Table: 8752 ARIN Region origin ASes announcing only one prefix: 3039 ARIN Region transit ASes present in the Internet Routing Table: 827 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 208917664 Equivalent to 12 /8s, 115 /16s and 212 /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: 23067 Total RIPE prefixes after maximum aggregation: 16891 Prefixes being announced from the RIPE address blocks: 19912 Unique aggregates announced from the RIPE address blocks: 13128 RIPE Region origin ASes present in the Internet Routing Table: 4970 RIPE Region origin ASes announcing only one prefix: 2674 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: 22 Number of RIPE addresses announced to Internet: 141392640 Equivalent to 8 /8s, 109 /16s and 123 /24s Percentage of available RIPE address space announced: 76.6 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: 5646 Total LACNIC prefixes after maximum aggregation: 2267 Prefixes being announced from the LACNIC address blocks: 5145 Unique aggregates announced from the LACNIC address blocks: 3097 LACNIC Region origin ASes present in the Internet Routing Table: 361 LACNIC Region origin ASes announcing only one prefix: 104 LACNIC Region transit ASes present in the Internet Routing Table: 69 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 13474304 Equivalent to 0 /8s, 205 /16s and 154 /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: 1097 Total AfriNIC prefixes after maximum aggregation: 700 Prefixes being announced from the AfriNIC address blocks: 723 Unique aggregates announced from the AfriNIC address blocks: 557 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: 5.0 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1753600 Equivalent to 0 /8s, 26 /16s and 194 /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 1105 690 Telstra Pty Ltd 2907 373 1864 350 SINET Japan 4134 370 2419 111 Data Communications Bureau 4755 367 131 57 Videsh Sanchar Nigam Ltd. Aut 9443 337 72 83 Primus Telecommunications 703 325 355 258 UUNET 17557 301 21 148 Pakistan Telecom 2764 281 288 241 connect.com.au pty ltd 17676 280 4140 31 XTAGE CORPORATION 7474 269 306 213 Optus Communications Pty Ltd 4766 264 2896 191 Korea Internet Exchange for " 4538 248 1778 22 China Education and Research 3786 234 773 203 DACOM Corporation 9583 232 32 85 Satyam Infoway Ltd., 9929 213 165 38 China Netcom Corp. 9498 208 22 29 BHARTI BT INTERNET LTD. 9800 207 343 57 CHINA UNICOM 9942 205 70 117 COMindico Australia 17642 155 40 114 RequestDSL BGP AS# for Sydney 4739 146 60 135 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1429 8651 988 UUNET Technologies, Inc. 7018 1371 7034 948 AT&T 1239 926 3068 667 Sprint 209 880 3474 534 Qwest 18566 723 176 8 Covad Communications 4323 687 593 200 Time Warner Communications, I 6197 648 424 210 BellSouth Network Solutions, 3356 631 10803 518 Level 3 Communications, LLC 6198 612 367 222 BellSouth Network Solutions, 20115 585 316 329 Charter Communications 7843 526 496 121 Adelphia Corp. 852 516 1107 408 Telus Advanced Communications 7066 508 207 271 Virginia Polytechnic Institut 7132 472 7192 307 Southwestern Bell Internet Se 19029 410 174 275 New Edge Networks 690 400 58 270 Merit Network 2386 398 543 206 AT&T Data Communications Serv 4355 394 329 101 EarthLink, Inc. 705 381 180 237 UUNET Technologies, Inc. 376 357 359 113 Reseau Interordinateurs Scien RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 695 2093 576 UUNET - Commercial IP service 3301 312 1170 289 TeliaNet Sweden 3320 273 1988 230 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 186 174 135 BT Ignite European Backbone 5515 176 778 138 Sonera Solution Autonomous Sy 786 175 1826 175 The JANET IP Service 3215 162 687 82 France Telecom Transpac 8708 161 111 155 Romania Data Systems S.A. 25186 154 182 109 France Telecom Transpac's Tra 3303 144 557 139 Swisscom Ltd 719 134 288 104 LANLINK autonomous system 6664 134 11 99 TELECOM ITALIA 3246 126 378 124 Song Networks 12302 126 18 33 MobiFon S.A. 3269 118 911 65 TELECOM ITALIA 2856 117 1294 108 BTnet UK Regional network LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 340 105 101 ImpSat 8151 231 351 125 UniNet S.A. de C.V. 11172 192 77 42 Servicios Alestra S.A de C.V 7303 182 43 39 Telecom Argentina Stet-France 16814 156 10 5 NSS, S.A. 6505 135 91 95 Global One Communicaoes Ltda 6503 127 205 91 AVANTEL, S.A. 6147 122 70 18 Telefonica Del Peru 10620 122 8 26 TVCABLE BOGOTA 11340 106 3 29 Red Universitaria Nacional 11992 88 25 31 Integrated Systems 8065 79 10 17 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 70 18 9 Red de Interconexion Universi 11311 66 7 22 Sinectis S.A. 7080 64 4 1 Electronica y Comunicaciones 14420 61 4 20 ANDINATEL S.A. 27699 60 152 15 TELECOMUNICACOES DE SAO PAULO 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 45 6 2 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 9129 28 3 4 UUNET Kenya 5713 24 93 22 Telkom SA Ltd 12455 24 4 2 Jambonet Autonomous system 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 3208 15 2 1 ARN Network 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 723 715 Covad Communications 4323 687 487 Time Warner Communications, I 6197 648 438 BellSouth Network Solutions, 7018 1371 423 AT&T 7843 526 405 Adelphia Corp. 6198 612 390 BellSouth Network Solutions, 209 880 346 Qwest 27364 338 315 Armstrong Cable Services 4755 367 310 Videsh Sanchar Nigam Ltd. Aut 22909 311 302 Comcast Cable Corporation 4355 394 293 EarthLink, Inc. 5668 312 293 Century Telephone 22773 305 281 Cox Communications, Inc. Atla 6347 350 271 SAVVIS Communications Corpora 1221 952 262 Telstra Pty Ltd 1239 926 259 Sprint 4134 370 259 Data Communications Bureau 20115 585 256 Charter Communications 9443 337 254 Primus Telecommunications 17676 280 249 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 192.172.0.0/19 568 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 /12:56 /13:97 /14:275 /15:477 /16:7461 /17:1820 /18:3253 /19:8657 /20:9182 /21:6659 /22:9447 /23:10898 /24:71241 /25:183 /26:245 /27:168 /28:71 /29:25 /30:50 /31:0 /32:43 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 717 723 Covad Communications 6197 506 648 BellSouth Network Solutions, 7018 495 1371 AT&T 6198 475 612 BellSouth Network Solutions, 701 441 1429 UUNET Technologies, Inc. 702 417 695 UUNET - Commercial IP service 7066 400 508 Virginia Polytechnic Institut 20115 365 585 Charter Communications 690 361 400 Merit Network 1239 332 926 Sprint 27364 332 338 Armstrong Cable Services 3356 316 631 Level 3 Communications, LLC 209 308 880 Qwest 5668 278 312 Century Telephone 19029 261 410 New Edge Networks 25844 244 244 Skadden, Arps, Slate, Meagher 4355 220 394 EarthLink, Inc. 3320 216 273 Deutsche Telekom AG 6517 211 236 Yipes Communications, Inc. 14824 201 226 NewSouth Communications Corp. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:2 12:758 13:1 15:6 16:1 17:3 20:7 24:853 32:82 38:42 40:23 43:1 44:2 55:1 57:14 61:349 62:468 63:1837 64:1797 65:1786 66:2182 67:276 68:497 69:332 80:438 81:161 82:71 128:158 129:161 130:68 131:83 132:18 134:174 135:10 136:183 137:120 138:131 139:48 140:195 141:138 142:100 143:48 144:59 145:36 146:284 147:71 148:310 149:84 150:120 151:78 152:209 153:59 154:1 155:129 156:65 157:60 158:141 159:136 160:46 161:68 162:364 163:71 164:322 165:167 166:107 167:209 168:179 169:96 170:311 171:9 192:5465 193:2417 194:2015 195:1344 196:515 198:3630 199:2844 200:3089 201:3 202:4196 203:5360 204:2950 205:2015 206:2283 207:2623 208:2512 209:2795 210:963 211:397 212:906 213:983 214:17 215:25 216:3360 217:785 218:118 219:84 220:113 221:17 222:1 End of report
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