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Weekly Routing Table Report
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Routing Table Analysis
cscora at apnic.net
Fri Sep 24 20:06:18 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 25 Sep, 2004 Analysis Summary ---------------- BGP routing table entries examined: 147727 Prefixes after maximum aggregation: 87611 Unique aggregates announced to Internet: 70315 Total ASes present in the Internet Routing Table: 18109 Origin-only ASes present in the Internet Routing Table: 15745 Origin ASes announcing only one prefix: 7345 Transit ASes present in the Internet Routing Table: 2364 Transit-only ASes present in the Internet Routing Table: 73 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 22 Prefixes from unregistered ASNs in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 17 Number of addresses announced to Internet: 1340351908 Equivalent to 79 /8s, 228 /16s and 37 /24s Percentage of available address space announced: 36.2 Percentage of allocated address space announced: 58.4 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 67875 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28428 Total APNIC prefixes after maximum aggregation: 14225 Prefixes being announced from the APNIC address blocks: 26595 Unique aggregates announced from the APNIC address blocks: 14165 APNIC Region origin ASes present in the Internet Routing Table: 2131 APNIC Region origin ASes announcing only one prefix: 635 APNIC Region transit ASes present in the Internet Routing Table: 325 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 163812992 Equivalent to 9 /8s, 195 /16s and 150 /24s Percentage of available APNIC address space announced: 74.7 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: 84217 Total ARIN prefixes after maximum aggregation: 51327 Prefixes being announced from the ARIN address blocks: 64419 Unique aggregates announced from the ARIN address blocks: 22785 ARIN Region origin ASes present in the Internet Routing Table: 9575 ARIN Region origin ASes announcing only one prefix: 3429 ARIN Region transit ASes present in the Internet Routing Table: 916 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 232724224 Equivalent to 13 /8s, 223 /16s and 23 /24s Percentage of available ARIN address space announced: 69.4 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, 31744-33791 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 27363 Total RIPE prefixes after maximum aggregation: 19057 Prefixes being announced from the RIPE address blocks: 24203 Unique aggregates announced from the RIPE address blocks: 15867 RIPE Region origin ASes present in the Internet Routing Table: 5845 RIPE Region origin ASes announcing only one prefix: 3144 RIPE Region transit ASes present in the Internet Routing Table: 1002 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 171842624 Equivalent to 10 /8s, 62 /16s and 28 /24s Percentage of available RIPE address space announced: 60.3 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, 33792-34815 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: 6466 Total LACNIC prefixes after maximum aggregation: 2311 Prefixes being announced from the LACNIC address blocks: 6299 Unique aggregates announced from the LACNIC address blocks: 3623 LACNIC Region origin ASes present in the Internet Routing Table: 393 LACNIC Region origin ASes announcing only one prefix: 117 LACNIC Region transit ASes present in the Internet Routing Table: 79 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 16081152 Equivalent to 0 /8s, 245 /16s and 97 /24s Percentage of available LACNIC address space announced: 47.9 LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1245 Total AfriNIC prefixes after maximum aggregation: 688 Prefixes being announced from the AfriNIC address blocks: 838 Unique aggregates announced from the AfriNIC address blocks: 675 AfriNIC Region origin ASes present in the Internet Routing Table: 92 AfriNIC Region origin ASes announcing only one prefix: 20 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 2063360 Equivalent to 0 /8s, 31 /16s and 124 /24s Percentage of available AfriNIC address space announced: 12.3 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4134 838 4385 158 Data Communications Bureau 1221 808 1183 581 Telstra Pty Ltd 4766 544 3408 266 Korea Internet Exchange for " 9583 533 41 102 Satyam Infoway Ltd., 4755 366 133 48 Videsh Sanchar Nigam Ltd. Aut 17676 364 5436 52 XTAGE CORPORATION 9443 355 70 81 Primus Telecommunications 2907 351 1840 326 SINET Japan 9929 344 161 33 China Netcom Corp. 17557 312 23 154 Pakistan Telecom 703 311 342 240 UUNET 2764 284 274 233 connect.com.au pty ltd 7474 273 269 201 Optus Communications Pty Ltd 9942 243 73 130 COMindico Australia 4802 234 28 143 Wantree Development 9800 229 372 66 CHINA UNICOM 9498 223 49 49 BHARTI BT INTERNET LTD. 7563 209 48 163 Korea Internet Infrastructure 4837 202 2264 106 chinanet IDC center beijing n 10036 202 18 185 C&M Communication Co. Ltd. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1408 6752 979 AT&T WorldNet Services 701 1267 8425 914 UUNET Technologies, Inc. 1239 947 2883 629 Sprint 2386 835 529 598 AT&T Data Communications Serv 4323 789 633 215 Time Warner Telecom 18566 740 208 6 Covad Communications 6197 725 365 351 BellSouth Network Solutions, 721 719 21020 296 DLA Systems Automation Center 209 626 3465 496 Qwest 3356 588 10923 448 Level 3 Communications, LLC 20115 585 424 298 Charter Communications 3561 530 2486 369 Cable & Wireless USA 852 511 1141 397 Telus Advanced Communications 7843 491 681 98 Adelphia Corp. 7132 434 8141 376 SBC Internet Services 705 433 163 274 UUNET Technologies, Inc. 6198 430 396 199 BellSouth Network Solutions, 22773 399 960 18 Cox Communications, Inc. Atla 5668 396 87 18 Century Telephone 6467 394 149 30 E.Spire Communications, Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 643 2032 531 UUNET - Commercial IP service 3320 299 2470 236 Deutsche Telekom AG 8220 280 460 266 COLT Internet - International 3301 279 1100 269 TeliaNet Sweden 21502 268 40 3 NUMERICABLE is a cabled netwo 680 251 2025 239 DFN-IP service G-WiN 3246 217 475 214 Song Networks 13083 217 51 8 Mannesmann Datenverarbeitung 1257 208 744 178 SWIPnet Swedish IP Network 8708 205 113 183 Romania Data Systems S.A. 5515 198 842 144 Sonera Solution Autonomous Sy 3215 184 876 77 France Telecom Transpac 786 177 1794 177 The JANET IP Service 719 157 288 102 LANLINK autonomous system 6746 151 29 128 Dynamic Network Technologies, 25186 149 154 106 France Telecom Transpac's Tra 3303 148 610 130 Swisscom Ltd 5400 148 206 120 BT Ignite European Backbone 3269 145 1195 66 TELECOM ITALIA 8866 145 17 23 Bulgarian Telecommunication C LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 366 138 67 ImpSat 8151 301 439 133 UniNet S.A. de C.V. 11172 289 100 54 Servicios Alestra S.A de C.V 16814 212 13 7 NSS, S.A. 6147 191 86 19 Telefonica Del Peru 11664 149 13 33 Keytech SA 6505 137 90 94 Global One Communicaoes Ltda 6503 127 164 86 AVANTEL, S.A. 7303 127 57 21 Telecom Argentina Stet-France 11992 90 9 31 Integrated Systems 14420 86 7 37 ANDINATEL S.A. 6535 85 7 19 Chilesat Servicios Empresari 10620 85 10 4 TVCABLE BOGOTA 11311 83 8 22 Sinectis S.A. 10481 81 32 7 Prima S.A. 11556 81 41 3 Cable-Wireless Panama 5639 77 8 8 Telecommunications Services o 15311 76 21 36 Telefonica Empresas 27716 74 9 12 Eveloz 14117 71 6 4 Telefonica del Sur S.A. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 251 631 218 The Internet Solution 5536 114 16 4 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 92 276 81 The Internetworking Company o 20928 59 16 1 Noor Advanced Technologies AS 14988 45 16 1 Botswana Telecommunications C 24835 34 34 7 RAYA Telecom - Egypt 6713 31 42 10 Itissalat Al-MAGHRIB 9129 30 3 4 UUNET Kenya 5713 26 125 24 Telkom SA Ltd 8524 25 1 4 AUCEGYPT Autonomous System 16637 24 10 19 Johnnic e-Ventures 10798 18 1 12 Standard Bank of South Africa 12258 18 3 12 Vodacom Internet Company 12455 17 4 2 Jambonet Autonomous system 21491 16 1 3 UTL On-line is RF broadband I 8346 15 7 14 SONATEL-AS Autonomous System 15706 15 4 2 Sudatel Internet Exchange Aut 21280 14 2 3 Swift Global Kenya Ltd.Is an 15808 13 1 2 Communication Solutions Ltd i Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 740 734 Covad Communications 4134 838 680 Data Communications Bureau 4323 789 574 Time Warner Telecom 9583 533 431 Satyam Infoway Ltd., 721 719 423 DLA Systems Automation Center 7843 491 393 Adelphia Corp. 22773 399 381 Cox Communications, Inc. Atla 5668 396 378 Century Telephone 27364 394 375 Armstrong Cable Services 6197 725 374 BellSouth Network Solutions, 6467 394 364 E.Spire Communications, Inc. 701 1267 353 UUNET Technologies, Inc. 22909 376 338 Comcast Cable Corporation 1239 947 318 Sprint 4755 366 318 Videsh Sanchar Nigam Ltd. Aut 17676 364 312 XTAGE CORPORATION 9929 344 311 China Netcom Corp. 6140 366 299 ImpSat 6478 364 293 AT&T Worldnet Services 4355 389 290 EarthLink, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 23456 UNALLOCATED 62.241.160.0/19 25346 Pipex Internet UK IS 23456 UNALLOCATED 81.86.0.0/16 25346 Pipex Internet UK IS 23456 UNALLOCATED 81.178.0.0/15 25346 Pipex Internet UK IS 64513 PRIVATE 164.78.128.0/17 7610 SINGAPORE ADVANCE RE 64513 PRIVATE 164.78.249.0/24 7610 SINGAPORE ADVANCE RE 64513 PRIVATE 164.78.252.0/24 7610 SINGAPORE ADVANCE RE 65217 PRIVATE 192.102.236.0/24 217 University of Minnes 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 22750 UNALLOCATED 196.44.64.0/19 3741 The Internet Solutio 22750 UNALLOCATED 196.44.86.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.224.0/20 3741 The Internet Solutio 22750 UNALLOCATED 196.44.234.0/24 2905 The Internetworking Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 111.0.0.0/24 7563 Korea Internet Infrastructure 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 158.0.0.0/13 721 DLA Systems Automation Center 192.43.230.0/24 4738 South Australian Academic Res 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 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 WorldNet Services 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 721 DLA Systems Automation Center 192.172.11.0/24 721 DLA Systems Automation Center 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 /11:15 /12:63 /13:134 /14:307 /15:540 /16:8059 /17:2227 /18:3862 /19:9809 /20:10347 /21:7785 /22:10746 /23:12388 /24:80598 /25:241 /26:209 /27:109 /28:58 /29:43 /30:107 /31:0 /32:52 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 725 740 Covad Communications 2386 602 835 AT&T Data Communications Serv 6197 576 725 BellSouth Network Solutions, 7018 552 1408 AT&T WorldNet Services 702 394 643 UUNET - Commercial IP service 27364 378 394 Armstrong Cable Services 1239 375 947 Sprint 9583 371 533 Satyam Infoway Ltd., 4766 363 544 Korea Internet Exchange for " 701 356 1267 UUNET Technologies, Inc. 5668 346 396 Century Telephone 6198 316 430 BellSouth Network Solutions, 20115 298 585 Charter Communications 6467 291 394 E.Spire Communications, Inc. 9929 275 344 China Netcom Corp. 6517 265 292 Yipes Communications, Inc. 13609 265 308 Choice One Communications Inc 21502 265 268 NUMERICABLE is a cabled netwo 6347 246 332 SAVVIS Communications Corpora 3320 245 299 Deutsche Telekom AG Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:4 8:3 12:1395 13:1 15:5 16:2 17:3 20:6 24:724 32:66 33:2 38:78 40:54 44:4 47:2 52:3 55:1 56:3 57:17 60:6 61:510 62:505 63:1840 64:2403 65:2057 66:2497 67:396 68:549 69:714 70:73 80:523 81:550 82:301 83:158 84:25 111:1 128:121 129:171 130:87 131:189 132:27 134:187 135:17 136:180 137:55 138:180 139:35 140:183 141:107 142:119 143:67 144:160 145:42 146:293 147:94 148:384 149:110 150:87 151:65 152:152 153:68 154:2 155:127 156:59 157:71 158:143 159:163 160:56 161:71 162:373 163:81 164:214 165:161 166:118 167:223 168:344 169:120 170:270 171:9 192:5579 193:2906 194:2119 195:1484 196:597 198:3675 199:3274 200:3833 201:20 202:4852 203:5690 204:3244 205:2092 206:2324 207:2576 208:2141 209:3028 210:1487 211:622 212:1092 213:1198 214:134 215:31 216:3707 217:1012 218:176 219:101 220:257 221:37 222:44 End of report
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