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Weekly Routing Table Report
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Routing Table Analysis
cscora at apnic.net
Fri Aug 13 20:06:23 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 14 Aug, 2004 Analysis Summary ---------------- BGP routing table entries examined: 143639 Prefixes after maximum aggregation: 85667 Unique aggregates announced to Internet: 69197 Total ASes present in the Internet Routing Table: 17769 Origin-only ASes present in the Internet Routing Table: 15409 Origin ASes announcing only one prefix: 7231 Transit ASes present in the Internet Routing Table: 2360 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 26 Prefixes from unregistered ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 16 Number of addresses announced to Internet: 1327112864 Equivalent to 79 /8s, 26 /16s and 34 /24s Percentage of available address space announced: 35.8 Percentage of allocated address space announced: 57.9 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 66014 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 27629 Total APNIC prefixes after maximum aggregation: 13984 Prefixes being announced from the APNIC address blocks: 25856 Unique aggregates announced from the APNIC address blocks: 14097 APNIC Region origin ASes present in the Internet Routing Table: 2100 APNIC Region origin ASes announcing only one prefix: 625 APNIC Region transit ASes present in the Internet Routing Table: 330 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 156113664 Equivalent to 9 /8s, 78 /16s and 27 /24s Percentage of available APNIC address space announced: 71.2 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: 82019 Total ARIN prefixes after maximum aggregation: 49941 Prefixes being announced from the ARIN address blocks: 63508 Unique aggregates announced from the ARIN address blocks: 22172 ARIN Region origin ASes present in the Internet Routing Table: 9384 ARIN Region origin ASes announcing only one prefix: 3374 ARIN Region transit ASes present in the Internet Routing Table: 927 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 229403296 Equivalent to 13 /8s, 172 /16s and 106 /24s Percentage of available ARIN address space announced: 68.4 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: 26550 Total RIPE prefixes after maximum aggregation: 18807 Prefixes being announced from the RIPE address blocks: 23326 Unique aggregates announced from the RIPE address blocks: 15585 RIPE Region origin ASes present in the Internet Routing Table: 5734 RIPE Region origin ASes announcing only one prefix: 3097 RIPE Region transit ASes present in the Internet Routing Table: 985 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 168878656 Equivalent to 10 /8s, 16 /16s and 226 /24s Percentage of available RIPE address space announced: 59.2 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, 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: 6257 Total LACNIC prefixes after maximum aggregation: 2257 Prefixes being announced from the LACNIC address blocks: 6026 Unique aggregates announced from the LACNIC address blocks: 3608 LACNIC Region origin ASes present in the Internet Routing Table: 387 LACNIC Region origin ASes announcing only one prefix: 114 LACNIC Region transit ASes present in the Internet Routing Table: 75 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 15517440 Equivalent to 0 /8s, 236 /16s and 199 /24s Percentage of available LACNIC address space announced: 46.2 LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1177 Total AfriNIC prefixes after maximum aggregation: 678 Prefixes being announced from the AfriNIC address blocks: 824 Unique aggregates announced from the AfriNIC address blocks: 653 AfriNIC Region origin ASes present in the Internet Routing Table: 91 AfriNIC Region origin ASes announcing only one prefix: 21 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 1987328 Equivalent to 0 /8s, 30 /16s and 83 /24s Percentage of available AfriNIC address space announced: 11.8 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 828 4161 155 Data Communications Bureau 1221 813 1184 586 Telstra Pty Ltd 4766 549 2897 264 Korea Internet Exchange for " 9583 520 40 106 Satyam Infoway Ltd., 4755 365 133 49 Videsh Sanchar Nigam Ltd. Aut 9929 360 161 32 China Netcom Corp. 9443 354 69 80 Primus Telecommunications 2907 352 1840 326 SINET Japan 17676 342 5100 34 XTAGE CORPORATION 17557 327 23 164 Pakistan Telecom 703 317 342 244 UUNET 2764 287 275 234 connect.com.au pty ltd 7474 264 268 202 Optus Communications Pty Ltd 17633 241 56 6 ASN for Shandong Provincial N 9942 236 71 129 COMindico Australia 4802 229 25 138 Wantree Development 9800 226 370 64 CHINA UNICOM 9498 220 49 49 BHARTI BT INTERNET LTD. 10036 202 18 183 C&M Communication Co. Ltd. 4837 196 2023 106 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1390 6802 964 AT&T WorldNet Services 701 1285 8408 927 UUNET Technologies, Inc. 6347 947 390 100 SAVVIS Communications Corpora 1239 934 2872 624 Sprint 6197 777 524 298 BellSouth Network Solutions, 4323 775 614 213 Time Warner Telecom 18566 740 193 8 Covad Communications 209 613 3430 496 Qwest 721 588 20712 272 DLA Systems Automation Center 20115 569 378 294 Charter Communications 3356 558 10946 430 Level 3 Communications, LLC 852 510 1142 398 Telus Advanced Communications 7843 498 681 115 Adelphia Corp. 6198 452 429 204 BellSouth Network Solutions, 705 430 163 272 UUNET Technologies, Inc. 7132 430 8045 372 SBC Internet Services 2386 410 534 231 AT&T Data Communications Serv 22773 401 796 66 Cox Communications, Inc. Atla 4355 388 323 99 EarthLink, Inc. 376 385 363 113 Reseau Interordinateurs Scien RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 650 2020 541 UUNET - Commercial IP service 3320 301 2469 238 Deutsche Telekom AG 3301 282 1098 271 TeliaNet Sweden 8220 277 448 264 COLT Internet - International 680 244 2025 239 DFN-IP service G-WiN 3246 216 484 213 Song Networks 13083 216 51 8 Mannesmann Datenverarbeitung 1257 215 747 184 SWIPnet Swedish IP Network 5515 199 842 145 Sonera Solution Autonomous Sy 8708 196 113 176 Romania Data Systems S.A. 3215 182 892 77 France Telecom Transpac 786 177 1794 177 The JANET IP Service 25186 165 155 113 France Telecom Transpac's Tra 5400 152 208 123 BT Ignite European Backbone 6746 152 29 129 Dynamic Network Technologies, 719 150 288 102 LANLINK autonomous system 3269 143 1195 65 TELECOM ITALIA 8866 134 15 14 Bulgarian Telecommunication C 3303 130 609 129 Swisscom Ltd 12302 127 18 33 MobiFon S.A. LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 11172 357 100 54 Servicios Alestra S.A de C.V 6140 334 137 64 ImpSat 8151 285 391 131 UniNet S.A. de C.V. 16814 206 13 7 NSS, S.A. 6147 188 86 20 Telefonica Del Peru 11664 143 11 22 Keytech SA 6505 137 90 94 Global One Communicaoes Ltda 6503 128 203 86 AVANTEL, S.A. 7303 121 55 19 Telecom Argentina Stet-France 11992 91 9 29 Integrated Systems 11556 89 51 11 Cable-Wireless Panama 14420 82 6 32 ANDINATEL S.A. 6535 81 5 16 Chilesat Servicios Empresari 11311 79 7 19 Sinectis S.A. 15311 76 21 36 Telefonica Empresas 5639 71 8 8 Telecommunications Services o 4270 70 18 9 Red de Interconexion Universi 14117 69 5 4 Telefonica del Sur S.A. 10292 67 6 26 TELECOMMUNICATIONS OF JAMAICA 11340 67 5 36 Red Universitaria Nacional AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 253 632 220 The Internet Solution 5536 113 16 4 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 92 276 81 The Internetworking Company o 11845 40 9 11 Data Pro Business Online 9129 32 3 4 UUNET Kenya 24835 32 18 5 RAYA Telecom - Egypt 6713 26 38 9 Itissalat Al-MAGHRIB 8524 26 2 4 AUCEGYPT Autonomous System 5713 25 125 23 Telkom SA Ltd 14988 25 16 1 Botswana Telecommunications C 16637 24 9 19 Johnnic e-Ventures 12455 22 4 2 Jambonet Autonomous system 10798 18 1 12 Standard Bank of South Africa 8346 15 7 14 SONATEL-AS Autonomous System 12258 15 3 10 Vodacom Internet Company 15706 15 4 2 Sudatel Internet Exchange Aut 21491 14 1 3 UTL On-line is RF broadband I 15808 13 1 2 Communication Solutions Ltd i 17148 13 1 7 First National Bank Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 6347 947 847 SAVVIS Communications Corpora 18566 740 732 Covad Communications 4134 828 673 Data Communications Bureau 4323 775 562 Time Warner Telecom 6197 777 479 BellSouth Network Solutions, 9583 520 414 Satyam Infoway Ltd., 7843 498 383 Adelphia Corp. 5668 383 365 Century Telephone 701 1285 358 UUNET Technologies, Inc. 22773 401 335 Cox Communications, Inc. Atla 27364 350 331 Armstrong Cable Services 22909 360 330 Comcast Cable Corporation 9929 360 328 China Netcom Corp. 6467 354 322 E.Spire Communications, Inc. 721 588 316 DLA Systems Automation Center 4755 365 316 Videsh Sanchar Nigam Ltd. Aut 1239 934 310 Sprint 17676 342 308 XTAGE CORPORATION 11172 357 303 Servicios Alestra S.A de C.V 4355 388 289 EarthLink, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64606 PRIVATE 80.255.192.0/21 2529 Demon Internet 64606 PRIVATE 80.255.192.0/20 2529 Demon Internet 64606 PRIVATE 80.255.200.0/21 2529 Demon Internet 65217 PRIVATE 128.101.58.0/28 217 University of Minnes 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 63330 RESERVED 213.8.224.0/23 5486 Euronet Digital Comm 63330 RESERVED 213.8.226.0/23 5486 Euronet Digital Comm Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 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 /12:62 /13:129 /14:303 /15:536 /16:7953 /17:2140 /18:3729 /19:9679 /20:10147 /21:7512 /22:10420 /23:12048 /24:78245 /25:227 /26:193 /27:99 /28:43 /29:18 /30:76 /31:0 /32:37 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6347 729 947 SAVVIS Communications Corpora 18566 723 740 Covad Communications 6197 595 777 BellSouth Network Solutions, 7018 532 1390 AT&T WorldNet Services 702 406 650 UUNET - Commercial IP service 701 365 1285 UUNET Technologies, Inc. 9583 365 520 Satyam Infoway Ltd., 1239 364 934 Sprint 4766 357 549 Korea Internet Exchange for " 27364 336 350 Armstrong Cable Services 5668 335 383 Century Telephone 6198 331 452 BellSouth Network Solutions, 20115 301 569 Charter Communications 9929 288 360 China Netcom Corp. 6467 259 354 E.Spire Communications, Inc. 6517 259 286 Yipes Communications, Inc. 13609 258 301 Choice One Communications Inc 3320 248 301 Deutsche Telekom AG 25844 245 245 Skadden, Arps, Slate, Meagher 690 241 277 Merit Network Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 8:2 12:841 13:1 15:5 16:2 17:3 20:9 24:717 32:66 33:2 38:79 40:54 44:4 55:1 56:3 57:16 60:6 61:455 62:513 63:1852 64:2294 65:2037 66:2446 67:352 68:544 69:692 70:64 80:534 81:360 82:194 83:122 84:17 128:88 129:172 130:86 131:178 132:23 134:187 135:17 136:177 137:51 138:169 139:35 140:156 141:104 142:120 143:58 144:99 145:42 146:289 147:95 148:419 149:109 150:86 151:70 152:163 153:67 154:2 155:129 156:57 157:69 158:139 159:151 160:54 161:75 162:390 163:79 164:179 165:161 166:113 167:219 168:262 169:114 170:279 171:9 192:5570 193:2857 194:2082 195:1455 196:583 198:3649 199:3245 200:3690 201:9 202:4779 203:5644 204:3124 205:2044 206:2260 207:2487 208:2153 209:3033 210:1439 211:575 212:988 213:1188 214:85 215:30 216:3776 217:949 218:182 219:127 220:245 221:31 222:135 End of report
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