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 20 Nov, 2004 Analysis Summary ---------------- BGP routing table entries examined: 150962 Prefixes after maximum aggregation: 88984 Unique aggregates announced to Internet: 72150 Total ASes present in the Internet Routing Table: 18468 Origin-only ASes present in the Internet Routing Table: 16016 Origin ASes announcing only one prefix: 7528 Transit ASes present in the Internet Routing Table: 2452 Transit-only ASes present in the Internet Routing Table: 73 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 19 Prefixes from unregistered ASNs in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 15 Number of addresses announced to Internet: 1354415480 Equivalent to 80 /8s, 186 /16s and 189 /24s Percentage of available address space announced: 36.5 Percentage of allocated address space announced: 59.1 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 69617 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 29301 Total APNIC prefixes after maximum aggregation: 14416 Prefixes being announced from the APNIC address blocks: 27365 Unique aggregates announced from the APNIC address blocks: 14199 APNIC Region origin ASes present in the Internet Routing Table: 2165 APNIC Region origin ASes announcing only one prefix: 651 APNIC Region transit ASes present in the Internet Routing Table: 330 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 166929152 Equivalent to 9 /8s, 243 /16s and 35 /24s Percentage of available APNIC address space announced: 76.2 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: 85692 Total ARIN prefixes after maximum aggregation: 51967 Prefixes being announced from the ARIN address blocks: 65583 Unique aggregates announced from the ARIN address blocks: 23556 ARIN Region origin ASes present in the Internet Routing Table: 9725 ARIN Region origin ASes announcing only one prefix: 3516 ARIN Region transit ASes present in the Internet Routing Table: 951 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 235514384 Equivalent to 14 /8s, 9 /16s and 170 /24s Percentage of available ARIN address space announced: 70.2 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: 28147 Total RIPE prefixes after maximum aggregation: 19552 Prefixes being announced from the RIPE address blocks: 24897 Unique aggregates announced from the RIPE address blocks: 16379 RIPE Region origin ASes present in the Internet Routing Table: 6013 RIPE Region origin ASes announcing only one prefix: 3222 RIPE Region transit ASes present in the Internet Routing Table: 1044 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 180277504 Equivalent to 10 /8s, 190 /16s and 209 /24s Percentage of available RIPE address space announced: 63.2 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: 6567 Total LACNIC prefixes after maximum aggregation: 2352 Prefixes being announced from the LACNIC address blocks: 6446 Unique aggregates announced from the LACNIC address blocks: 3973 LACNIC Region origin ASes present in the Internet Routing Table: 403 LACNIC Region origin ASes announcing only one prefix: 118 LACNIC Region transit ASes present in the Internet Routing Table: 80 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 14 Number of LACNIC addresses announced to Internet: 16622080 Equivalent to 0 /8s, 253 /16s and 162 /24s Percentage of available LACNIC address space announced: 49.5 LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1246 Total AfriNIC prefixes after maximum aggregation: 697 Prefixes being announced from the AfriNIC address blocks: 857 Unique aggregates announced from the AfriNIC address blocks: 667 AfriNIC Region origin ASes present in the Internet Routing Table: 93 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: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2067200 Equivalent to 0 /8s, 31 /16s and 139 /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 860 4403 163 Data Communications Bureau 1221 795 1182 570 Telstra Pty Ltd 9583 559 47 40 Satyam Infoway Ltd., 4766 545 3408 266 Korea Internet Exchange for " 4755 382 133 64 Videsh Sanchar Nigam Ltd. Aut 17676 376 5628 53 XTAGE CORPORATION 9443 356 69 80 Primus Telecommunications 2907 354 1857 328 SINET Japan 9929 344 161 33 China Netcom Corp. 703 318 346 246 UUNET 17557 315 23 156 Pakistan Telecom 2764 287 273 233 connect.com.au pty ltd 7474 266 268 198 Optus Communications Pty Ltd 4802 234 28 142 Wantree Development 7563 230 48 167 Korea Internet Infrastructure 9800 230 380 70 CHINA UNICOM 9942 229 72 123 COMindico Australia 9498 219 81 53 BHARTI BT INTERNET LTD. 10036 217 20 198 C&M Communication Co. Ltd. 4814 210 232 6 China Telecom (Group) ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1424 6633 984 AT&T WorldNet Services 701 1239 8399 885 UUNET Technologies, Inc. 721 1023 21016 298 DLA Systems Automation Center 1239 923 2880 611 Sprint 2386 850 530 611 AT&T Data Communications Serv 6197 820 522 313 BellSouth Network Solutions, 4323 805 672 221 Time Warner Telecom 18566 754 208 6 Covad Communications 209 668 3429 513 Qwest 3356 635 10959 458 Level 3 Communications, LLC 20115 603 462 322 Charter Communications 3561 547 2374 418 Cable & Wireless USA 852 522 1141 399 Telus Advanced Communications 7843 479 720 75 Adelphia Corp. 27364 450 36 19 Armstrong Cable Services 7132 447 8288 379 SBC Internet Services 6198 437 349 210 BellSouth Network Solutions, 6478 434 775 96 AT&T Worldnet Services 5668 417 87 18 Century Telephone 22909 414 880 63 Comcast Cable Corporation RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 634 2027 524 UUNET - Commercial IP service 3320 302 2997 237 Deutsche Telekom AG 8220 281 463 266 COLT Internet - International 3301 278 1100 269 TeliaNet Sweden 3300 257 167 82 AUCS Communications Services 680 251 2025 239 DFN-IP service G-WiN 21502 246 40 3 NUMERICABLE is a cabled netwo 3246 219 477 215 Song Networks 13083 217 51 8 Mannesmann Datenverarbeitung 1257 204 722 175 SWIPnet Swedish IP Network 8708 204 116 185 Romania Data Systems S.A. 5515 192 842 140 Sonera Solution Autonomous Sy 786 176 1794 176 The JANET IP Service 3215 161 956 78 France Telecom Transpac 8866 160 20 7 Bulgarian Telecommunication C 719 157 322 105 LANLINK autonomous system 6746 157 30 127 Dynamic Network Technologies, 3269 151 1289 68 TELECOM ITALIA 25186 148 154 104 France Telecom Transpac's Tra 5400 142 206 115 BT Ignite European Backbone LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 338 139 75 ImpSat 8151 308 471 134 UniNet S.A. de C.V. 16814 212 13 7 NSS, S.A. 11172 208 99 55 Servicios Alestra S.A de C.V 6147 192 94 20 Telefonica Del Peru 11664 152 12 34 Keytech SA 6505 141 90 95 Global One Communicaoes Ltda 7303 138 65 20 Telecom Argentina Stet-France 6503 123 148 82 AVANTEL, S.A. 11992 103 9 31 Integrated Systems 14117 98 6 4 Telefonica del Sur S.A. 11556 97 48 3 Cable-Wireless Panama 11311 86 8 23 Sinectis S.A. 6535 85 7 18 Chilesat Servicios Empresari 10481 82 32 7 Prima S.A. 14420 81 5 33 ANDINATEL S.A. 4270 80 18 9 Red de Interconexion Universi 15311 77 23 37 Telefonica Empresas 5639 75 8 8 Telecommunications Services o 13999 74 52 9 Mega Cable S.A. de C.V. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 268 636 225 The Internet Solution 5536 111 16 4 Internet Egypt Network 2018 102 297 98 Tertiary Education Network 2905 99 276 72 The Internetworking Company o 20928 52 16 1 Noor Advanced Technologies AS 24835 40 34 7 RAYA Telecom - Egypt 9129 35 3 4 UUNET Kenya 6713 30 38 9 Itissalat Al-MAGHRIB 5713 26 125 24 Telkom SA Ltd 8524 24 1 4 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 8452 18 20 5 TEDATA 10798 18 1 12 Standard Bank of South Africa 12258 18 3 12 Vodacom Internet Company 12455 16 4 2 Jambonet Autonomous system 21280 16 2 3 Swift Global Kenya Ltd.Is an 8346 15 7 14 SONATEL-AS Autonomous System 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 18566 754 748 Covad Communications 721 1023 725 DLA Systems Automation Center 4134 860 697 Data Communications Bureau 4323 805 584 Time Warner Telecom 9583 559 519 Satyam Infoway Ltd., 6197 820 507 BellSouth Network Solutions, 27364 450 431 Armstrong Cable Services 7843 479 404 Adelphia Corp. 5668 417 399 Century Telephone 22773 402 385 Cox Communications, Inc. Atla 701 1239 354 UUNET Technologies, Inc. 22909 414 351 Comcast Cable Corporation 6467 380 349 E.Spire Communications, Inc. 6478 434 338 AT&T Worldnet Services 17676 376 323 XTAGE CORPORATION 4755 382 318 Videsh Sanchar Nigam Ltd. Aut 1239 923 312 Sprint 9929 344 311 China Netcom Corp. 13609 333 298 Choice One Communications Inc 4355 392 293 EarthLink, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65006 PRIVATE 84.18.32.0/19 33831 Royal Hashemite Cour 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc. 64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc. 65002 PRIVATE 212.115.225.0/24 8690 Comint Ltd 65002 PRIVATE 212.115.226.0/24 8690 Comint Ltd 65529 PRIVATE 216.21.199.0/24 14697 VDot.Net 33507 UNALLOCATED 216.94.118.0/24 701 UUNET Technologies, 65529 PRIVATE 216.152.237.0/24 14697 VDot.Net 65000 PRIVATE 217.68.56.0/22 29263 HAAGnet, municipalit 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 192.44.0.0/19 702 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 /10:7 /11:15 /12:61 /13:140 /14:314 /15:556 /16:8137 /17:2280 /18:3957 /19:9861 /20:10430 /21:8021 /22:11074 /23:12685 /24:82548 /25:247 /26:224 /27:114 /28:70 /29:40 /30:117 /31:0 /32:42 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 739 754 Covad Communications 6197 657 820 BellSouth Network Solutions, 2386 614 850 AT&T Data Communications Serv 7018 580 1424 AT&T WorldNet Services 27364 435 450 Armstrong Cable Services 9583 390 559 Satyam Infoway Ltd., 702 388 634 UUNET - Commercial IP service 1239 368 923 Sprint 4766 366 545 Korea Internet Exchange for " 5668 360 417 Century Telephone 701 357 1239 UUNET Technologies, Inc. 6198 320 437 BellSouth Network Solutions, 13609 290 333 Choice One Communications Inc 6467 289 380 E.Spire Communications, Inc. 6517 286 309 Yipes Communications, Inc. 20115 283 603 Charter Communications 9929 275 344 China Netcom Corp. 4323 258 805 Time Warner Telecom 11456 258 303 Carolina Online, Inc. 3320 247 302 Deutsche Telekom AG Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:4 8:11 12:1434 13:1 15:5 16:2 17:3 20:5 24:773 32:71 33:2 38:84 40:55 44:3 47:2 52:3 55:1 56:3 57:22 60:3 61:629 62:499 63:1862 64:2483 65:2072 66:2460 67:458 68:535 69:793 70:40 72:10 80:525 81:556 82:318 83:207 84:49 128:115 129:165 130:85 131:190 132:26 134:182 135:30 136:186 137:81 138:189 139:36 140:225 141:108 142:127 143:119 144:158 145:42 146:293 147:97 148:328 149:111 150:93 151:62 152:130 153:68 154:2 155:131 156:58 157:69 158:135 159:164 160:61 161:73 162:379 163:84 164:219 165:162 166:118 167:219 168:355 169:123 170:312 171:9 192:5663 193:2942 194:2169 195:1537 196:584 198:3879 199:3306 200:3835 201:25 202:4931 203:5791 204:3560 205:2060 206:2326 207:2624 208:2109 209:3108 210:1519 211:655 212:1156 213:1223 214:224 215:31 216:3700 217:1056 218:177 219:83 220:286 221:66 222:21 End of report