Routing Table Report 04:00 +10GMT Fri 30 Jul, 2004 Analysis Summary ---------------- BGP routing table entries examined: 143247 Prefixes after maximum aggregation: 85783 Unique aggregates announced to Internet: 68961 Total ASes present in the Internet Routing Table: 17696 Origin-only ASes present in the Internet Routing Table: 15350 Origin ASes announcing only one prefix: 7191 Transit ASes present in the Internet Routing Table: 2346 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 26 Prefixes from unregistered ASNs in the Routing Table: 3 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1305789732 Equivalent to 77 /8s, 212 /16s and 197 /24s Percentage of available address space announced: 35.2 Percentage of allocated address space announced: 57.8 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 65765 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 27406 Total APNIC prefixes after maximum aggregation: 13960 Prefixes being announced from the APNIC address blocks: 25647 Unique aggregates announced from the APNIC address blocks: 14079 APNIC Region origin ASes present in the Internet Routing Table: 2087 APNIC Region origin ASes announcing only one prefix: 627 APNIC Region transit ASes present in the Internet Routing Table: 331 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 153948416 Equivalent to 9 /8s, 45 /16s and 17 /24s Percentage of available APNIC address space announced: 70.2 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: 82008 Total ARIN prefixes after maximum aggregation: 50167 Prefixes being announced from the ARIN address blocks: 63627 Unique aggregates announced from the ARIN address blocks: 22109 ARIN Region origin ASes present in the Internet Routing Table: 9352 ARIN Region origin ASes announcing only one prefix: 3353 ARIN Region transit ASes present in the Internet Routing Table: 927 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 228163360 Equivalent to 13 /8s, 153 /16s and 127 /24s Percentage of available ARIN address space announced: 75.6 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, 70/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 26438 Total RIPE prefixes after maximum aggregation: 18718 Prefixes being announced from the RIPE address blocks: 23237 Unique aggregates announced from the RIPE address blocks: 15463 RIPE Region origin ASes present in the Internet Routing Table: 5703 RIPE Region origin ASes announcing only one prefix: 3076 RIPE Region transit ASes present in the Internet Routing Table: 973 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 167848256 Equivalent to 10 /8s, 1 /16s and 41 /24s Percentage of available RIPE address space announced: 58.9 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: 6181 Total LACNIC prefixes after maximum aggregation: 2255 Prefixes being announced from the LACNIC address blocks: 5898 Unique aggregates announced from the LACNIC address blocks: 3575 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: 74 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 15447552 Equivalent to 0 /8s, 235 /16s and 182 /24s Percentage of available LACNIC address space announced: 46.0 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1211 Total AfriNIC prefixes after maximum aggregation: 683 Prefixes being announced from the AfriNIC address blocks: 820 Unique aggregates announced from the AfriNIC address blocks: 647 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: 13 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1913856 Equivalent to 0 /8s, 29 /16s and 52 /24s Percentage of available AfriNIC address space announced: 11.4 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 817 1056 589 Telstra Pty Ltd 4134 810 4092 150 Data Communications Bureau 4766 510 2895 267 Korea Internet Exchange for " 9583 493 39 105 Satyam Infoway Ltd., 4755 395 133 51 Videsh Sanchar Nigam Ltd. Aut 9443 355 70 80 Primus Telecommunications 2907 353 1840 327 SINET Japan 17676 341 5084 33 XTAGE CORPORATION 9929 329 159 31 China Netcom Corp. 17557 326 23 163 Pakistan Telecom 703 316 342 245 UUNET 2764 287 258 234 connect.com.au pty ltd 7474 266 269 204 Optus Communications Pty Ltd 9942 234 71 127 COMindico Australia 9800 227 370 64 CHINA UNICOM 4802 224 25 139 Wantree Development 17633 222 56 6 ASN for Shandong Provincial N 9498 221 49 49 BHARTI BT INTERNET LTD. 10036 197 18 178 C&M Communication Co. Ltd. 4837 194 2019 105 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1408 6854 977 AT&T 701 1297 8447 933 UUNET Technologies, Inc. 6347 952 390 100 SAVVIS Communications Corpora 1239 943 2876 628 Sprint 3356 885 10925 668 Level 3 Communications, LLC 4323 753 568 211 Time Warner Communications, I 6197 745 496 311 BellSouth Network Solutions, 18566 740 192 7 Covad Communications 209 615 3425 500 Qwest 721 570 20737 256 DLA Systems Automation Center 20115 567 377 292 Charter Communications 7843 513 673 128 Adelphia Corp. 852 511 1142 399 Telus Advanced Communications 7132 488 7913 370 Southwestern Bell Internet Se 6198 450 394 203 BellSouth Network Solutions, 2386 409 533 229 AT&T Data Communications Serv 22909 397 829 30 Comcast Cable Corporation 4355 391 323 101 EarthLink, Inc. 22773 391 780 62 Cox Communications, Inc. Atla 705 388 128 264 UUNET Technologies, Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 647 2036 537 UUNET - Commercial IP service 3320 300 2468 237 Deutsche Telekom AG 3301 282 1098 271 TeliaNet Sweden 8220 278 433 265 COLT Internet - International 680 244 2025 239 DFN-IP service G-WiN 1257 216 747 185 SWIPnet Swedish IP Network 13083 216 51 8 Mannesmann Datenverarbeitung 3246 215 484 212 Song Networks 5515 200 842 146 Sonera Solution Autonomous Sy 8708 194 113 177 Romania Data Systems S.A. 3215 183 895 70 France Telecom Transpac 786 174 1794 174 The JANET IP Service 25186 172 156 114 France Telecom Transpac's Tra 6746 151 29 129 Dynamic Network Technologies, 719 150 288 102 LANLINK autonomous system 5400 147 207 121 BT Ignite European Backbone 3269 138 1131 64 TELECOM ITALIA 8866 132 15 14 Bulgarian Telecommunication C 3303 130 609 129 Swisscom Ltd 12302 128 18 32 MobiFon S.A. LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 11172 350 83 52 Servicios Alestra S.A de C.V 6140 332 137 63 ImpSat 8151 284 390 130 UniNet S.A. de C.V. 16814 203 13 7 NSS, S.A. 6147 187 86 20 Telefonica Del Peru 6505 134 90 92 Global One Communicaoes Ltda 11664 128 11 21 Keytech SA 6503 127 202 85 AVANTEL, S.A. 7303 119 55 18 Telecom Argentina Stet-France 11556 103 65 25 Cable-Wireless Panama 11992 91 9 29 Integrated Systems 6535 81 5 16 Chilesat Servicios Empresari 11311 81 7 19 Sinectis S.A. 14420 81 5 31 ANDINATEL S.A. 15311 75 19 37 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 252 632 219 The Internet Solution 5536 111 16 4 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 92 276 81 The Internetworking Company o 11845 42 9 11 Data Pro Business Online 20928 42 16 1 Noor Advanced Technologies AS 24835 31 18 6 RAYA Telecom - Egypt 16637 30 9 23 Johnnic e-Ventures 9129 29 3 4 UUNET Kenya 14988 29 16 1 Botswana Telecommunications C 6713 26 38 9 Itissalat Al-MAGHRIB 5713 25 125 23 Telkom SA Ltd 8524 24 2 7 AUCEGYPT Autonomous System 12455 23 4 2 Jambonet Autonomous system 10798 18 1 12 Standard Bank of South Africa 12258 15 3 10 Vodacom Internet Company 15706 15 4 2 Sudatel Internet Exchange Aut 8346 13 6 12 SONATEL-AS Autonomous System 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 952 852 SAVVIS Communications Corpora 18566 740 733 Covad Communications 4134 810 660 Data Communications Bureau 4323 753 542 Time Warner Communications, I 6197 745 434 BellSouth Network Solutions, 9583 493 388 Satyam Infoway Ltd., 7843 513 385 Adelphia Corp. 22909 397 367 Comcast Cable Corporation 701 1297 364 UUNET Technologies, Inc. 5668 381 363 Century Telephone 4755 395 344 Videsh Sanchar Nigam Ltd. Aut 6467 369 336 E.Spire Communications, Inc. 27364 349 330 Armstrong Cable Services 22773 391 329 Cox Communications, Inc. Atla 1239 943 315 Sprint 721 570 314 DLA Systems Automation Center 17676 341 308 XTAGE CORPORATION 11172 350 298 Servicios Alestra S.A de C.V 9929 329 298 China Netcom Corp. 4355 391 290 EarthLink, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 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 156.154.16.0/22 7786 Lockheed Martin IMS 158.0.0.0/13 721 DLA Systems Automation Center 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 192.70.164.0/24 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 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 /8:18 /9:3 /10:6 /11:15 /12:61 /13:127 /14:301 /15:531 /16:7925 /17:2131 /18:3721 /19:9603 /20:10116 /21:7451 /22:10409 /23:11908 /24:78317 /25:212 /26:191 /27:99 /28:37 /29:9 /30:50 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6347 731 952 SAVVIS Communications Corpora 18566 723 740 Covad Communications 6197 563 745 BellSouth Network Solutions, 7018 538 1408 AT&T 3356 501 885 Level 3 Communications, LLC 702 399 647 UUNET - Commercial IP service 1239 371 943 Sprint 701 367 1297 UUNET Technologies, Inc. 9583 340 493 Satyam Infoway Ltd., 27364 336 349 Armstrong Cable Services 5668 333 381 Century Telephone 6198 332 450 BellSouth Network Solutions, 4766 315 510 Korea Internet Exchange for " 20115 300 567 Charter Communications 6467 268 369 E.Spire Communications, Inc. 9929 260 329 China Netcom Corp. 14824 254 278 NewSouth Communications Corp. 3320 248 300 Deutsche Telekom AG 13609 248 291 Choice One Communications Inc 25844 245 245 Skadden, Arps, Slate, Meagher Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 8:1 12:835 13:1 15:5 16:2 17:3 20:7 24:736 32:66 33:2 38:75 40:54 44:4 55:1 56:3 57:16 60:5 61:432 62:508 63:1891 64:2122 65:2037 66:2735 67:346 68:509 69:690 70:64 80:532 81:349 82:190 83:120 84:5 128:177 129:171 130:85 131:183 132:23 134:179 135:17 136:176 137:55 138:169 139:35 140:165 141:105 142:120 143:60 144:100 145:42 146:286 147:93 148:418 149:110 150:90 151:69 152:162 153:66 154:2 155:128 156:57 157:65 158:138 159:147 160:54 161:66 162:387 163:79 164:183 165:164 166:111 167:218 168:239 169:114 170:284 171:8 192:5565 193:2838 194:2077 195:1408 196:580 198:3650 199:3257 200:3610 201:10 202:4793 203:5678 204:3101 205:2085 206:2268 207:2502 208:2179 209:3071 210:1406 211:572 212:1004 213:1190 214:81 215:30 216:3765 217:981 218:171 219:121 220:227 221:30 222:118 End of report