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@lists.apnic.net If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 10 Jul, 2004 Analysis Summary ---------------- BGP routing table entries examined: 142432 Prefixes after maximum aggregation: 85368 Unique aggregates announced to Internet: 68367 Total ASes present in the Internet Routing Table: 17570 Origin-only ASes present in the Internet Routing Table: 15228 Origin ASes announcing only one prefix: 7144 Transit ASes present in the Internet Routing Table: 2342 Transit-only ASes present in the Internet Routing Table: 75 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: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1301128680 Equivalent to 77 /8s, 141 /16s and 165 /24s Percentage of available address space announced: 35.1 Percentage of allocated address space announced: 57.6 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 65398 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 27304 Total APNIC prefixes after maximum aggregation: 14033 Prefixes being announced from the APNIC address blocks: 25525 Unique aggregates announced from the APNIC address blocks: 13976 APNIC Region origin ASes present in the Internet Routing Table: 2069 APNIC Region origin ASes announcing only one prefix: 623 APNIC Region transit ASes present in the Internet Routing Table: 333 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 151884992 Equivalent to 9 /8s, 13 /16s and 148 /24s Percentage of available APNIC address space announced: 69.3 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: 81553 Total ARIN prefixes after maximum aggregation: 49875 Prefixes being announced from the ARIN address blocks: 63350 Unique aggregates announced from the ARIN address blocks: 21888 ARIN Region origin ASes present in the Internet Routing Table: 9303 ARIN Region origin ASes announcing only one prefix: 3335 ARIN Region transit ASes present in the Internet Routing Table: 909 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 227346464 Equivalent to 13 /8s, 141 /16s and 8 /24s Percentage of available ARIN address space announced: 75.3 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: 26205 Total RIPE prefixes after maximum aggregation: 18548 Prefixes being announced from the RIPE address blocks: 23016 Unique aggregates announced from the RIPE address blocks: 15243 RIPE Region origin ASes present in the Internet Routing Table: 5652 RIPE Region origin ASes announcing only one prefix: 3051 RIPE Region transit ASes present in the Internet Routing Table: 984 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 165957952 Equivalent to 9 /8s, 228 /16s and 81 /24s Percentage of available RIPE address space announced: 58.2 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: 6181 Total LACNIC prefixes after maximum aggregation: 2228 Prefixes being announced from the LACNIC address blocks: 5871 Unique aggregates announced from the LACNIC address blocks: 3609 LACNIC Region origin ASes present in the Internet Routing Table: 379 LACNIC Region origin ASes announcing only one prefix: 111 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 15293184 Equivalent to 0 /8s, 233 /16s and 91 /24s Percentage of available LACNIC address space announced: 45.6 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1186 Total AfriNIC prefixes after maximum aggregation: 684 Prefixes being announced from the AfriNIC address blocks: 783 Unique aggregates announced from the AfriNIC address blocks: 617 AfriNIC Region origin ASes present in the Internet Routing Table: 92 AfriNIC Region origin ASes announcing only one prefix: 24 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: 1892352 Equivalent to 0 /8s, 28 /16s and 224 /24s Percentage of available AfriNIC address space announced: 11.3 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 824 1057 594 Telstra Pty Ltd 4134 806 3752 146 Data Communications Bureau 4766 497 2895 264 Korea Internet Exchange for " 9583 486 39 103 Satyam Infoway Ltd., 4755 399 133 61 Videsh Sanchar Nigam Ltd. Aut 9443 353 69 78 Primus Telecommunications 2907 352 1840 326 SINET Japan 17676 341 5084 33 XTAGE CORPORATION 9929 327 157 32 China Netcom Corp. 17557 321 22 164 Pakistan Telecom 703 319 342 248 UUNET 2764 288 258 236 connect.com.au pty ltd 7474 267 269 207 Optus Communications Pty Ltd 9942 230 71 128 COMindico Australia 4802 226 25 141 Wantree Development 9800 224 369 62 CHINA UNICOM 9498 218 48 49 BHARTI BT INTERNET LTD. 10026 206 11 131 IXNet Hong Kong Limited 10036 198 18 179 C&M Communication Co. Ltd. 4837 189 2019 105 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1443 6882 995 AT&T 701 1303 8440 935 UUNET Technologies, Inc. 6347 974 399 98 SAVVIS Communications Corpora 1239 936 2889 630 Sprint 3356 891 10916 673 Level 3 Communications, LLC 4323 738 569 206 Time Warner Communications, I 18566 725 192 8 Covad Communications 6197 710 526 278 BellSouth Network Solutions, 209 613 3453 505 Qwest 20115 563 374 289 Charter Communications 2548 549 899 131 Business Internet, Inc. 7843 515 669 130 Adelphia Corp. 6198 513 396 214 BellSouth Network Solutions, 852 511 1142 399 Telus Advanced Communications 721 469 15375 339 DLA Systems Automation Center 7132 466 7874 350 Southwestern Bell Internet Se 2386 406 549 225 AT&T Data Communications Serv 22909 398 826 22 Comcast Cable Corporation 4355 391 323 101 EarthLink, Inc. 705 389 128 265 UUNET Technologies, Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 648 2039 542 UUNET - Commercial IP service 3320 297 2463 237 Deutsche Telekom AG 3301 282 1098 271 TeliaNet Sweden 8220 275 429 263 COLT Internet - International 1257 248 498 196 SWIPnet Swedish IP Network 680 244 2025 239 DFN-IP service G-WiN 13083 216 51 8 Mannesmann Datenverarbeitung 3246 213 479 210 Song Networks 5515 200 842 146 Sonera Solution Autonomous Sy 8708 190 112 176 Romania Data Systems S.A. 719 181 288 103 LANLINK autonomous system 3215 180 895 71 France Telecom Transpac 786 174 1794 174 The JANET IP Service 25186 172 156 114 France Telecom Transpac's Tra 6746 157 29 128 Dynamic Network Technologies, 5400 145 205 120 BT Ignite European Backbone 3269 135 1099 64 TELECOM ITALIA 3303 130 609 129 Swisscom Ltd 8866 128 14 11 Bulgarian Telecommunication C 12302 128 18 32 MobiFon S.A. LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 369 140 65 ImpSat 11172 356 96 58 Servicios Alestra S.A de C.V 8151 275 389 127 UniNet S.A. de C.V. 16814 219 14 8 NSS, S.A. 6147 187 86 20 Telefonica Del Peru 7303 148 54 27 Telecom Argentina Stet-France 6505 134 90 92 Global One Communicaoes Ltda 6503 131 202 89 AVANTEL, S.A. 11992 91 9 29 Integrated Systems 11556 87 57 24 Cable-Wireless Panama 6535 81 5 16 Chilesat Servicios Empresari 14420 78 5 28 ANDINATEL S.A. 15311 75 19 37 Telefonica Empresas 11311 72 7 17 Sinectis S.A. 14535 72 6 5 Techtel S.A. 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 14259 67 4 5 GTD Internet S.A. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 253 632 220 The Internet Solution 5536 111 16 4 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 90 276 80 The Internetworking Company o 11845 39 9 11 Data Pro Business Online 20928 35 16 1 Noor Advanced Technologies AS 24835 31 18 6 RAYA Telecom - Egypt 16637 30 9 23 Johnnic e-Ventures 9129 28 3 4 UUNET Kenya 6713 26 38 9 Itissalat Al-MAGHRIB 5713 25 125 23 Telkom SA Ltd 14988 25 16 1 Botswana Telecommunications C 8524 24 2 7 AUCEGYPT Autonomous System 12455 23 4 2 Jambonet 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 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 6347 974 876 SAVVIS Communications Corpora 18566 725 717 Covad Communications 4134 806 660 Data Communications Bureau 4323 738 532 Time Warner Communications, I 6197 710 432 BellSouth Network Solutions, 2548 549 418 Business Internet, Inc. 7843 515 385 Adelphia Corp. 9583 486 383 Satyam Infoway Ltd., 22909 398 376 Comcast Cable Corporation 701 1303 368 UUNET Technologies, Inc. 5668 380 362 Century Telephone 27364 377 358 Armstrong Cable Services 4755 399 338 Videsh Sanchar Nigam Ltd. Aut 22773 383 327 Cox Communications, Inc. Atla 17676 341 308 XTAGE CORPORATION 1239 936 306 Sprint 6467 337 305 E.Spire Communications, Inc. 6140 369 304 ImpSat 6198 513 299 BellSouth Network Solutions, 11172 356 298 Servicios Alestra S.A de C.V 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 18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.98.0/24 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 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 /12:59 /13:127 /14:302 /15:524 /16:7896 /17:2098 /18:3683 /19:9525 /20:10001 /21:7525 /22:10388 /23:11922 /24:77640 /25:216 /26:214 /27:155 /28:24 /29:15 /30:66 /31:0 /32:10 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6347 751 974 SAVVIS Communications Corpora 18566 708 725 Covad Communications 7018 558 1443 AT&T 6197 539 710 BellSouth Network Solutions, 3356 499 891 Level 3 Communications, LLC 702 396 648 UUNET - Commercial IP service 6198 382 513 BellSouth Network Solutions, 1239 372 936 Sprint 701 367 1303 UUNET Technologies, Inc. 27364 364 377 Armstrong Cable Services 5668 333 380 Century Telephone 9583 332 486 Satyam Infoway Ltd., 2548 330 549 Business Internet, Inc. 4766 316 497 Korea Internet Exchange for " 20115 297 563 Charter Communications 9929 259 327 China Netcom Corp. 14824 253 277 NewSouth Communications Corp. 3320 246 297 Deutsche Telekom AG 13609 244 287 Choice One Communications Inc 25844 244 244 Skadden, Arps, Slate, Meagher Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:829 13:1 15:5 16:2 17:3 20:8 24:763 32:65 33:2 38:73 40:54 44:4 55:1 56:3 57:15 61:456 62:508 63:1875 64:2037 65:2030 66:2664 67:339 68:500 69:623 70:64 80:564 81:337 82:184 83:98 84:5 128:148 129:175 130:80 131:187 132:23 134:177 135:17 136:178 137:54 138:168 139:35 140:166 141:122 142:118 143:60 144:100 145:41 146:288 147:77 148:417 149:107 150:94 151:71 152:162 153:64 154:2 155:145 156:60 157:55 158:140 159:148 160:52 161:64 162:381 163:77 164:186 165:164 166:105 167:219 168:228 169:111 170:286 171:8 192:5552 193:2808 194:2059 195:1385 196:553 198:3662 199:3112 200:3610 201:8 202:4731 203:5659 204:3133 205:2099 206:2270 207:2493 208:2196 209:3037 210:1448 211:571 212:994 213:1174 214:70 215:30 216:3722 217:974 218:171 219:118 220:233 221:31 222:62 End of report