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 07 Aug, 2004 Analysis Summary ---------------- BGP routing table entries examined: 143817 Prefixes after maximum aggregation: 85974 Unique aggregates announced to Internet: 69046 Total ASes present in the Internet Routing Table: 17741 Origin-only ASes present in the Internet Routing Table: 15390 Origin ASes announcing only one prefix: 7226 Transit ASes present in the Internet Routing Table: 2351 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: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 16 Number of addresses announced to Internet: 1308190496 Equivalent to 77 /8s, 249 /16s and 103 /24s Percentage of available address space announced: 35.3 Percentage of allocated address space announced: 57.0 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 66236 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 27508 Total APNIC prefixes after maximum aggregation: 13952 Prefixes being announced from the APNIC address blocks: 25752 Unique aggregates announced from the APNIC address blocks: 14069 APNIC Region origin ASes present in the Internet Routing Table: 2090 APNIC Region origin ASes announcing only one prefix: 628 APNIC Region transit ASes present in the Internet Routing Table: 328 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 154905472 Equivalent to 9 /8s, 59 /16s and 171 /24s Percentage of available APNIC address space announced: 70.7 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: 82367 Total ARIN prefixes after maximum aggregation: 50319 Prefixes being announced from the ARIN address blocks: 63781 Unique aggregates announced from the ARIN address blocks: 22146 ARIN Region origin ASes present in the Internet Routing Table: 9382 ARIN Region origin ASes announcing only one prefix: 3378 ARIN Region transit ASes present in the Internet Routing Table: 922 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 228675232 Equivalent to 13 /8s, 161 /16s and 78 /24s Percentage of available ARIN address space announced: 68.2 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, 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: 26521 Total RIPE prefixes after maximum aggregation: 18762 Prefixes being announced from the RIPE address blocks: 23342 Unique aggregates announced from the RIPE address blocks: 15506 RIPE Region origin ASes present in the Internet Routing Table: 5716 RIPE Region origin ASes announcing only one prefix: 3086 RIPE Region transit ASes present in the Internet Routing Table: 982 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 168597824 Equivalent to 10 /8s, 12 /16s and 153 /24s Percentage of available RIPE address space announced: 59.1 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: 6199 Total LACNIC prefixes after maximum aggregation: 2264 Prefixes being announced from the LACNIC address blocks: 5950 Unique aggregates announced from the LACNIC address blocks: 3591 LACNIC Region origin ASes present in the Internet Routing Table: 387 LACNIC Region origin ASes announcing only one prefix: 113 LACNIC Region transit ASes present in the Internet Routing Table: 76 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 15471872 Equivalent to 0 /8s, 236 /16s and 21 /24s Percentage of available LACNIC address space announced: 46.1 LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1218 Total AfriNIC prefixes after maximum aggregation: 677 Prefixes being announced from the AfriNIC address blocks: 824 Unique aggregates announced from the AfriNIC address blocks: 652 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: 15 Number of AfriNIC addresses announced to Internet: 1977344 Equivalent to 0 /8s, 30 /16s and 44 /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 818 4097 153 Data Communications Bureau 1221 817 1184 590 Telstra Pty Ltd 4766 548 2897 264 Korea Internet Exchange for " 9583 514 41 97 Satyam Infoway Ltd., 4755 363 133 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 333 159 31 China Netcom Corp. 17557 326 23 162 Pakistan Telecom 703 317 342 244 UUNET 2764 289 274 236 connect.com.au pty ltd 7474 264 268 202 Optus Communications Pty Ltd 17633 238 56 6 ASN for Shandong Provincial N 9942 237 71 130 COMindico Australia 4802 227 25 140 Wantree Development 9800 226 370 64 CHINA UNICOM 9498 222 49 52 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 1400 6822 976 AT&T WorldNet Services 701 1297 8426 933 UUNET Technologies, Inc. 6347 951 390 100 SAVVIS Communications Corpora 1239 938 2877 626 Sprint 3356 883 10924 667 Level 3 Communications, LLC 4323 769 587 210 Time Warner Telecom 6197 758 495 309 BellSouth Network Solutions, 18566 739 193 8 Covad Communications 209 614 3445 496 Qwest 721 602 20826 282 DLA Systems Automation Center 20115 568 377 293 Charter Communications 7843 514 677 129 Adelphia Corp. 852 511 1142 399 Telus Advanced Communications 6198 452 395 205 BellSouth Network Solutions, 705 429 163 271 UUNET Technologies, Inc. 7132 426 7921 370 SBC Internet Services 2386 410 534 230 AT&T Data Communications Serv 22773 392 796 64 Cox Communications, Inc. Atla 4355 390 323 101 EarthLink, Inc. 376 384 363 113 Reseau Interordinateurs Scien RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 645 2019 536 UUNET - Commercial IP service 3320 302 2469 239 Deutsche Telekom AG 3301 282 1098 271 TeliaNet Sweden 8220 278 448 265 COLT Internet - International 680 244 2025 239 DFN-IP service G-WiN 1257 216 747 185 SWIPnet Swedish IP Network 3246 216 484 213 Song Networks 13083 216 51 8 Mannesmann Datenverarbeitung 5515 199 842 145 Sonera Solution Autonomous Sy 8708 194 113 175 Romania Data Systems S.A. 3215 182 892 77 France Telecom Transpac 786 177 1794 177 The JANET IP Service 25186 173 156 114 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 141 1163 64 TELECOM ITALIA 8866 133 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 334 137 64 ImpSat 8151 286 391 132 UniNet S.A. de C.V. 16814 204 13 7 NSS, S.A. 6147 188 86 20 Telefonica Del Peru 6505 136 90 94 Global One Communicaoes Ltda 6503 135 202 91 AVANTEL, S.A. 11664 134 11 22 Keytech SA 7303 121 55 19 Telecom Argentina Stet-France 11556 100 63 22 Cable-Wireless Panama 11992 90 9 30 Integrated Systems 14420 82 6 32 ANDINATEL S.A. 6535 81 5 16 Chilesat Servicios Empresari 11311 81 7 19 Sinectis 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. 11340 68 5 37 Red Universitaria Nacional 10292 67 6 26 TELECOMMUNICATIONS OF JAMAICA AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 252 632 219 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 42 9 11 Data Pro Business Online 20928 42 16 1 Noor Advanced Technologies AS 24835 32 18 5 RAYA Telecom - Egypt 9129 29 3 4 UUNET Kenya 14988 29 16 1 Botswana Telecommunications C 6713 26 38 9 Itissalat Al-MAGHRIB 8524 26 2 4 AUCEGYPT Autonomous System 16637 26 9 19 Johnnic e-Ventures 5713 25 125 23 Telkom SA Ltd 12455 23 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 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 951 851 SAVVIS Communications Corpora 18566 739 731 Covad Communications 4134 818 665 Data Communications Bureau 4323 769 559 Time Warner Telecom 6197 758 449 BellSouth Network Solutions, 9583 514 417 Satyam Infoway Ltd., 7843 514 385 Adelphia Corp. 701 1297 364 UUNET Technologies, Inc. 5668 382 364 Century Telephone 27364 350 331 Armstrong Cable Services 22909 359 329 Comcast Cable Corporation 22773 392 328 Cox Communications, Inc. Atla 6467 354 322 E.Spire Communications, Inc. 721 602 320 DLA Systems Automation Center 1239 938 312 Sprint 4755 363 312 Videsh Sanchar Nigam Ltd. Aut 17676 341 308 XTAGE CORPORATION 9929 333 302 China Netcom Corp. 11172 350 298 Servicios Alestra S.A de C.V 4355 390 289 EarthLink, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 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 /8:18 /9:3 /10:6 /11:15 /12:61 /13:129 /14:301 /15:533 /16:7950 /17:2133 /18:3732 /19:9649 /20:10098 /21:7482 /22:10401 /23:11942 /24:78660 /25:226 /26:193 /27:113 /28:48 /29:18 /30:65 /31:0 /32:41 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6347 730 951 SAVVIS Communications Corpora 18566 722 739 Covad Communications 6197 579 758 BellSouth Network Solutions, 7018 537 1400 AT&T WorldNet Services 3356 500 883 Level 3 Communications, LLC 702 401 645 UUNET - Commercial IP service 701 366 1297 UUNET Technologies, Inc. 1239 366 938 Sprint 9583 359 514 Satyam Infoway Ltd., 4766 356 548 Korea Internet Exchange for " 27364 336 350 Armstrong Cable Services 5668 334 382 Century Telephone 6198 334 452 BellSouth Network Solutions, 20115 301 568 Charter Communications 9929 265 333 China Netcom Corp. 6467 259 354 E.Spire Communications, Inc. 13609 257 300 Choice One Communications Inc 6517 255 281 Yipes Communications, Inc. 14824 253 277 NewSouth Communications Corp. 3320 249 302 Deutsche Telekom AG Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 8:2 12:832 13:1 15:5 16:2 17:3 20:9 24:733 32:66 33:2 38:78 40:54 44:4 55:1 56:3 57:16 60:6 61:440 62:513 63:1897 64:2199 65:2051 66:2751 67:348 68:515 69:681 70:64 80:536 81:370 82:190 83:126 84:17 128:176 129:171 130:84 131:183 132:23 134:184 135:17 136:174 137:54 138:170 139:35 140:165 141:107 142:118 143:60 144:100 145:42 146:290 147:94 148:418 149:110 150:88 151:70 152:162 153:67 154:2 155:129 156:57 157:67 158:137 159:147 160:54 161:71 162:387 163:78 164:177 165:162 166:111 167:217 168:254 169:114 170:282 171:9 192:5578 193:2846 194:2078 195:1418 196:583 198:3663 199:3254 200:3646 201:11 202:4783 203:5650 204:3125 205:2076 206:2276 207:2508 208:2164 209:3059 210:1423 211:575 212:1003 213:1202 214:86 215:30 216:3787 217:991 218:177 219:127 220:245 221:30 222:131 End of report