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 18 Dec, 2004 Analysis Summary ---------------- BGP routing table entries examined: 152880 Prefixes after maximum aggregation: 89665 Unique aggregates announced to Internet: 72514 Total ASes present in the Internet Routing Table: 18664 Origin-only ASes present in the Internet Routing Table: 16199 Origin ASes announcing only one prefix: 7612 Transit ASes present in the Internet Routing Table: 2465 Transit-only ASes present in the Internet Routing Table: 77 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 17 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: 16 Number of addresses announced to Internet: 1361000796 Equivalent to 81 /8s, 31 /16s and 57 /24s Percentage of available address space announced: 36.7 Percentage of allocated address space announced: 59.3 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 70903 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 29890 Total APNIC prefixes after maximum aggregation: 14684 Prefixes being announced from the APNIC address blocks: 27944 Unique aggregates announced from the APNIC address blocks: 14492 APNIC Region origin ASes present in the Internet Routing Table: 2176 APNIC Region origin ASes announcing only one prefix: 651 APNIC Region transit ASes present in the Internet Routing Table: 327 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 169579520 Equivalent to 10 /8s, 27 /16s and 148 /24s Percentage of available APNIC address space announced: 77.4 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: 86347 Total ARIN prefixes after maximum aggregation: 52074 Prefixes being announced from the ARIN address blocks: 66077 Unique aggregates announced from the ARIN address blocks: 23778 ARIN Region origin ASes present in the Internet Routing Table: 9785 ARIN Region origin ASes announcing only one prefix: 3537 ARIN Region transit ASes present in the Internet Routing Table: 960 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 237025792 Equivalent to 14 /8s, 32 /16s and 186 /24s Percentage of available ARIN address space announced: 70.6 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, 70/7, 72/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 28653 Total RIPE prefixes after maximum aggregation: 19851 Prefixes being announced from the RIPE address blocks: 25545 Unique aggregates announced from the RIPE address blocks: 16134 RIPE Region origin ASes present in the Internet Routing Table: 6128 RIPE Region origin ASes announcing only one prefix: 3283 RIPE Region transit ASes present in the Internet Routing Table: 1054 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 17 Number of RIPE addresses announced to Internet: 183405312 Equivalent to 10 /8s, 238 /16s and 139 /24s Percentage of available RIPE address space announced: 64.3 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: 6732 Total LACNIC prefixes after maximum aggregation: 2363 Prefixes being announced from the LACNIC address blocks: 6594 Unique aggregates announced from the LACNIC address blocks: 4053 LACNIC Region origin ASes present in the Internet Routing Table: 408 LACNIC Region origin ASes announcing only one prefix: 120 LACNIC Region transit ASes present in the Internet Routing Table: 77 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 16897024 Equivalent to 1 /8s, 1 /16s and 212 /24s Percentage of available LACNIC address space announced: 50.4 LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1250 Total AfriNIC prefixes after maximum aggregation: 693 Prefixes being announced from the AfriNIC address blocks: 823 Unique aggregates announced from the AfriNIC address blocks: 650 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: 13 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2073344 Equivalent to 0 /8s, 31 /16s and 163 /24s Percentage of available AfriNIC address space announced: 12.4 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4134 866 4401 166 Data Communications Bureau 1221 794 1184 568 Telstra Pty Ltd 9583 577 47 37 Satyam Infoway Ltd., 4766 551 3409 271 Korea Internet Exchange for " 4755 436 176 95 Videsh Sanchar Nigam Ltd. Aut 17676 390 5852 60 XTAGE CORPORATION 9443 362 71 77 Primus Telecommunications 2907 356 1873 329 SINET Japan 9929 354 164 40 China Netcom Corp. 17557 323 23 158 Pakistan Telecom 703 313 344 244 UUNET 10036 288 26 264 C&M Communication Co. Ltd. 2764 285 272 230 connect.com.au pty ltd 7474 270 267 199 Optus Communications Pty Ltd 4802 233 28 141 Wantree Development 9800 232 381 71 CHINA UNICOM 9498 229 81 53 BHARTI BT INTERNET LTD. 7563 226 48 164 Korea Internet Infrastructure 4780 221 225 27 Digital United Inc. 17974 220 63 14 PT TELEKOMUNIKASI INDONESIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1426 6587 984 AT&T WorldNet Services 701 1076 8352 891 UUNET Technologies, Inc. 721 1063 21824 298 DLA Systems Automation Center 1239 935 2882 624 Sprint 2386 862 529 614 AT&T Data Communications Serv 6197 823 384 354 BellSouth Network Solutions, 4323 815 670 220 Time Warner Telecom 18566 755 208 6 Covad Communications 209 652 3405 505 Qwest 3356 626 10908 456 Level 3 Communications, LLC 20115 572 464 299 Charter Communications 3561 543 2368 412 Cable & Wireless USA 852 531 1142 405 Telus Advanced Communications 7843 483 733 95 Adelphia Corp. 6478 466 814 97 AT&T Worldnet Services 7132 452 8292 385 SBC Internet Services 6198 447 382 202 BellSouth Network Solutions, 27364 441 36 19 Armstrong Cable Services 5668 423 87 18 Century Telephone 22909 422 906 64 Comcast Cable Corporation RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 629 2024 520 UUNET - Commercial IP service 3320 300 2995 236 Deutsche Telekom AG 3301 286 1112 274 TeliaNet Sweden 8220 275 463 263 COLT Internet - International 21502 272 40 3 NUMERICABLE is a cabled netwo 680 251 2025 239 DFN-IP service G-WiN 3246 223 482 219 Song Networks 13083 217 51 8 Mannesmann Datenverarbeitung 1257 206 708 172 SWIPnet Swedish IP Network 8708 205 116 189 Romania Data Systems S.A. 5515 193 842 140 Sonera Solution Autonomous Sy 786 176 1794 176 The JANET IP Service 3215 175 990 77 France Telecom Transpac 6746 168 47 136 Dynamic Network Technologies, 8866 162 18 21 Bulgarian Telecommunication C 719 159 322 104 LANLINK autonomous system 3269 155 1329 69 TELECOM ITALIA 3300 153 165 77 AUCS Communications Services 25186 144 138 100 France Telecom Transpac's Tra 5400 135 216 118 BT Ignite European Backbone LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 348 139 78 ImpSat 8151 319 473 140 UniNet S.A. de C.V. 16814 234 14 6 NSS, S.A. 11172 215 99 55 Servicios Alestra S.A de C.V 6147 192 94 20 Telefonica Del Peru 11664 169 14 24 Keytech SA 7303 149 66 24 Telecom Argentina Stet-France 6505 140 90 96 Global One Communicaoes Ltda 6503 128 148 85 AVANTEL, S.A. 11992 102 9 31 Integrated Systems 14117 98 6 4 Telefonica del Sur S.A. 11556 97 48 3 Cable-Wireless Panama 14420 90 6 32 ANDINATEL S.A. 6535 84 7 25 Chilesat Servicios Empresari 11311 83 8 23 Sinectis S.A. 13999 83 52 9 Mega Cable S.A. de C.V. 10481 82 32 7 Prima S.A. 4270 80 18 9 Red de Interconexion Universi 5639 77 8 8 Telecommunications Services o 15311 77 23 37 Telefonica Empresas AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 269 636 226 The Internet Solution 5536 113 16 4 Internet Egypt Network 2018 102 297 98 Tertiary Education Network 2905 75 271 68 The Internetworking Company o 20928 55 16 2 Noor Advanced Technologies AS 24835 42 34 7 RAYA Telecom - Egypt 6713 34 38 9 Itissalat Al-MAGHRIB 9129 33 3 2 UUNET Kenya 5713 27 141 24 Telkom SA Ltd 12455 26 5 4 Jambonet Autonomous system 8524 25 1 4 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 10798 18 1 12 Standard Bank of South Africa 12258 18 3 12 Vodacom Internet Company 8452 17 20 5 TEDATA 21280 17 2 3 Swift Global Kenya Ltd.Is an 8346 15 7 14 SONATEL-AS Autonomous System 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 Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 721 1063 765 DLA Systems Automation Center 18566 755 749 Covad Communications 4134 866 700 Data Communications Bureau 4323 815 595 Time Warner Telecom 9583 577 540 Satyam Infoway Ltd., 6197 823 469 BellSouth Network Solutions, 27364 441 422 Armstrong Cable Services 5668 423 405 Century Telephone 22773 415 392 Cox Communications, Inc. Atla 7843 483 388 Adelphia Corp. 6478 466 369 AT&T Worldnet Services 22909 422 358 Comcast Cable Corporation 6467 375 344 E.Spire Communications, Inc. 4755 436 341 Videsh Sanchar Nigam Ltd. Aut 17676 390 330 XTAGE CORPORATION 9929 354 314 China Netcom Corp. 1239 935 311 Sprint 13609 328 294 Choice One Communications Inc 4355 394 293 EarthLink, Inc. 9443 362 285 Primus Telecommunications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 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. 64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc. 65002 PRIVATE 208.179.184.0/24 11509 The Pajo Group 65529 PRIVATE 216.21.199.0/24 14697 VDot.Net 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 192.200.100.0/24 7018 AT&T WorldNet Services Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:20 /9:3 /10:7 /11:15 /12:59 /13:138 /14:314 /15:562 /16:8219 /17:2325 /18:4006 /19:10010 /20:10586 /21:8133 /22:11327 /23:12875 /24:83369 /25:268 /26:238 /27:124 /28:57 /29:39 /30:137 /31:0 /32:49 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 740 755 Covad Communications 6197 669 823 BellSouth Network Solutions, 2386 629 862 AT&T Data Communications Serv 7018 583 1426 AT&T WorldNet Services 27364 427 441 Armstrong Cable Services 9583 407 577 Satyam Infoway Ltd., 702 384 629 UUNET - Commercial IP service 1239 373 935 Sprint 4766 371 551 Korea Internet Exchange for " 5668 366 423 Century Telephone 6198 326 447 BellSouth Network Solutions, 10036 288 288 C&M Communication Co. Ltd. 6517 286 309 Yipes Communications, Inc. 13609 286 328 Choice One Communications Inc 6467 285 375 E.Spire Communications, Inc. 9929 283 354 China Netcom Corp. 21502 269 272 NUMERICABLE is a cabled netwo 4323 264 815 Time Warner Telecom 701 261 1076 UUNET Technologies, Inc. 11456 258 303 Carolina Online, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:4 8:10 12:1458 13:1 15:5 16:2 17:3 18:3 20:4 24:713 32:67 33:3 38:87 40:55 44:3 47:2 52:3 55:2 56:3 57:23 60:11 61:697 62:520 63:1846 64:2522 65:2084 66:2521 67:478 68:520 69:841 70:46 71:1 72:19 80:523 81:586 82:370 83:212 84:81 85:34 128:117 129:164 130:89 131:192 132:37 134:190 135:30 136:189 137:70 138:189 139:34 140:230 141:110 142:135 143:123 144:165 145:40 146:283 147:95 148:264 149:129 150:92 151:63 152:118 153:70 154:2 155:132 156:62 157:68 158:137 159:162 160:61 161:61 162:381 163:83 164:222 165:157 166:125 167:222 168:366 169:130 170:312 171:8 192:5650 193:3005 194:2212 195:1550 196:564 198:3902 199:3310 200:3936 201:37 202:4974 203:5810 204:3580 205:2113 206:2293 207:2541 208:2107 209:3065 210:1575 211:702 212:1152 213:1260 214:229 215:31 216:3747 217:1067 218:181 219:86 220:300 221:86 222:32 End of report