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 01 Oct, 2005 Analysis Summary ---------------- BGP routing table entries examined: 171014 Prefixes after maximum aggregation: 97564 Unique aggregates announced to Internet: 82650 Total ASes present in the Internet Routing Table: 20600 Origin-only ASes present in the Internet Routing Table: 17917 Origin ASes announcing only one prefix: 8499 Transit ASes present in the Internet Routing Table: 2683 Transit-only ASes present in the Internet Routing Table: 74 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 28 Prefixes from unregistered ASNs in the Routing Table: 20 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1427924992 Equivalent to 85 /8s, 28 /16s and 104 /24s Percentage of available address space announced: 38.5 Percentage of allocated address space announced: 58.0 Percentage of available address space allocated: 66.4 Total number of prefixes smaller than registry allocations: 81421 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 35620 Total APNIC prefixes after maximum aggregation: 15642 Prefixes being announced from the APNIC address blocks: 33451 Unique aggregates announced from the APNIC address blocks: 16498 APNIC Region origin ASes present in the Internet Routing Table: 2368 APNIC Region origin ASes announcing only one prefix: 695 APNIC Region transit ASes present in the Internet Routing Table: 365 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 201486848 Equivalent to 12 /8s, 2 /16s and 114 /24s Percentage of available APNIC address space announced: 74.8 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911 APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 90868 Total ARIN prefixes after maximum aggregation: 55367 Prefixes being announced from the ARIN address blocks: 70939 Unique aggregates announced from the ARIN address blocks: 26417 ARIN Region origin ASes present in the Internet Routing Table: 10236 ARIN Region origin ASes announcing only one prefix: 3781 ARIN Region transit ASes present in the Internet Routing Table: 952 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 270880512 Equivalent to 16 /8s, 37 /16s and 79 /24s Percentage of available ARIN address space announced: 67.3 ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 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, 29696-30719, 31744-33791 35840-36863 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 33185 Total RIPE prefixes after maximum aggregation: 22519 Prefixes being announced from the RIPE address blocks: 30235 Unique aggregates announced from the RIPE address blocks: 20199 RIPE Region origin ASes present in the Internet Routing Table: 7153 RIPE Region origin ASes announcing only one prefix: 3781 RIPE Region transit ASes present in the Internet Routing Table: 1185 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 28 Number of RIPE addresses announced to Internet: 218879040 Equivalent to 13 /8s, 11 /16s and 212 /24s Percentage of available RIPE address space announced: 65.2 RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 9576 Total LACNIC prefixes after maximum aggregation: 3223 Prefixes being announced from the LACNIC address blocks: 7931 Unique aggregates announced from the LACNIC address blocks: 4623 LACNIC Region origin ASes present in the Internet Routing Table: 637 LACNIC Region origin ASes announcing only one prefix: 199 LACNIC Region transit ASes present in the Internet Routing Table: 121 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 22020864 Equivalent to 1 /8s, 80 /16s and 3 /24s Percentage of available LACNIC address space announced: 32.8 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 189/8, 190/8, 200/7 AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 1741 Total AfriNIC prefixes after maximum aggregation: 813 Prefixes being announced from the AfriNIC address blocks: 1058 Unique aggregates announced from the AfriNIC address blocks: 805 AfriNIC Region origin ASes present in the Internet Routing Table: 141 AfriNIC Region origin ASes announcing only one prefix: 43 AfriNIC Region transit ASes present in the Internet Routing Table: 20 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2734592 Equivalent to 0 /8s, 41 /16s and 186 /24s Percentage of available AfriNIC address space announced: 8.1 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4134 989 6104 206 CHINANET-BACKBONE 9583 797 77 12 Sify Limited 1221 756 1330 519 Telstra Pty Ltd 4755 721 259 66 Videsh Sanchar Nigam Ltd. Aut 4766 611 3927 291 Korea Telecom (KIX) 7545 509 108 71 TPG Internet Pty Ltd 17676 469 6803 99 Softbank BB Corp. 9443 392 87 78 Primus Telecommunications 2907 338 1763 315 SINET Japan 9498 338 164 59 BHARTI BT INTERNET LTD. 17488 335 20 9 Hathway IP Over Cable Interne 9929 330 224 46 China Netcom Corp. 17557 328 23 160 Pakistan Telecom 7474 312 257 215 SingTel Optus Pty Ltd 4802 307 67 159 Wantree Development 17974 296 66 13 PT TELEKOMUNIKASI INDONESIA 18302 295 109 157 SK Global co., Ltd 9837 273 79 174 Powertel Ltd 18101 255 68 18 Reliance Infocom Ltd Internet 703 253 263 206 UUNET - Commercial IP service ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1507 6358 985 AT&T WorldNet Services 4323 1178 705 228 Time Warner Telecom 721 1074 21938 309 DLA Systems Automation Center 174 1068 5849 1002 Cogent Communications 701 991 8120 834 UUNET Technologies, Inc. 6197 948 399 483 BellSouth Network Solutions, 2386 921 513 683 AT&T Data Communications Serv 1239 858 2851 603 Sprint 18566 857 240 7 Covad Communications 20115 654 510 327 Charter Communications 209 635 3570 500 Qwest 3356 565 10659 438 Level 3 Communications, LLC 3602 556 131 107 Sprint Canada, Inc. 22773 544 1480 31 Cox Communications, Inc. 3561 538 2409 418 Savvis 6198 474 417 228 BellSouth Network Solutions, 5668 472 115 23 CenturyTel Internet Holdings, 7132 466 4950 398 SBC Internet Services 19262 464 1402 118 Verizon Global Networks 852 437 1092 384 Telus Advanced Communications RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 609 1993 481 UUNET - Commercial IP service 3301 301 1081 287 TeliaNet Sweden 3320 284 3230 237 Deutsche Telekom AG 8220 267 475 262 COLT Telecommunications 680 244 2040 240 DFN-IP service G-WiN 8708 240 264 219 Romania Data Systems S.A. 9121 231 336 26 TTnet Autonomous System 3246 226 474 219 Song Networks 1257 194 712 172 SWIPnet Swedish IP Network 6746 188 50 163 Dynamic Network Technologies, 5515 185 778 127 Sonera Solution Autonomous Sy 3269 176 1606 69 TELECOM ITALIA 786 174 1795 174 The JANET IP Service 5400 168 289 141 BT Ignite European Backbone 8866 162 37 9 Bulgarian Telecommunication C 6830 158 669 33 UPC Distribution Services 3300 155 185 91 AUCS Communications Services 25186 144 145 101 France Telecom Transpac's Tra 3215 140 1205 82 France Telecom Transpac 24863 138 37 6 LINKdotNET AS number LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 402 651 172 UniNet S.A. de C.V. 16814 298 18 7 NSS, S.A. 11172 272 85 63 Servicios Alestra S.A de C.V 11664 204 22 24 Keytech SA 6147 190 116 23 Telefonica Del Peru 19632 183 14 5 Metropolis Intercom S.A. 22047 171 128 7 VTR PUNTO NET S.A. 14117 155 10 5 Telefonica del Sur S.A. 7303 147 70 15 Telecom Argentina Stet-France 11556 132 64 2 Cable-Wireless Panama 19169 132 8 30 Telconet 6505 121 89 85 Global One Communicaoes Ltda 10481 121 48 8 Prima S.A. 13999 116 52 9 Mega Cable S.A. de C.V. 6503 113 148 74 AVANTEL, S.A. 18822 111 7 15 TELEFONICA MANQUEHUE 21826 106 13 15 INTERCABLE 5639 103 12 9 Telecommunications Services o 23216 95 23 18 RAMtelecom Telecomunicaciones 7738 84 346 18 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 266 708 223 The Internet Solution 5536 123 8 12 Internet Egypt Network 8452 108 32 7 TEDATA 2018 96 295 87 Tertiary Education Network 15475 84 84 4 Nile Online 2905 79 211 71 The Internetworking Company o 20928 61 16 2 Noor Advanced Technologies AS 24835 58 34 7 RAYA Telecom - Egypt 6713 51 54 8 Itissalat Al-MAGHRIB 5713 38 149 33 Telkom SA Ltd 12455 36 6 3 Jambonet Autonomous system 15706 31 8 3 Sudatel Internet Exchange Aut 33774 29 3 19 AS Number for Telecom Algeria 8524 24 1 4 AUCEGYPT Autonomous System 16637 23 10 20 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 21280 21 4 4 Swift Global Kenya Ltd.Is an 23889 20 5 9 MAURITIUS TELECOM 12258 17 3 11 Vodacom Internet Company 15808 17 2 2 Communication Solutions Ltd i Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1178 950 Time Warner Telecom 18566 857 850 Covad Communications 9583 797 785 Sify Limited 4134 989 783 CHINANET-BACKBONE 721 1074 765 DLA Systems Automation Center 4755 721 655 Videsh Sanchar Nigam Ltd. Aut 22773 544 513 Cox Communications, Inc. 6197 948 465 BellSouth Network Solutions, 3602 556 449 Sprint Canada, Inc. 5668 472 449 CenturyTel Internet Holdings, 7545 509 438 TPG Internet Pty Ltd 17676 469 370 Softbank BB Corp. 19262 464 346 Verizon Global Networks 6467 394 345 E.Spire Communications, Inc. 11492 339 330 Cable One 20115 654 327 Charter Communications 17488 335 326 Hathway IP Over Cable Interne 4766 611 320 Korea Telecom (KIX) 15270 343 315 PaeTec.net -a division of Pae 9443 392 314 Primus Telecommunications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65506 PRIVATE 64.151.117.0/24 26228 ServePath, LLC 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 64826 PRIVATE 64.200.255.0/24 7911 Williams Communicati 65205 PRIVATE 152.163.5.0/24 2056 America Online 65111 PRIVATE 194.165.131.0/24 8376 GO-JOR Autonomous Sy 65430 PRIVATE 196.44.128.0/19 20459 Telecom Namibia 65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma 64900 PRIVATE 200.85.68.0/24 17399 Comsat Venezuela, CO 24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp. 18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate 65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam 65103 PRIVATE 216.53.126.0/23 7270 Net2Phone Corp. 65500 PRIVATE 216.216.217.0/24 19029 New Edge Networks 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 7575 Australian Academic and Rease 192.44.0.0/24 5501 Fraunhofer Gesellschaft 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 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 192.172.0.0/19 721 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 /8:17 /9:5 /10:8 /11:17 /12:80 /13:179 /14:326 /15:634 /16:8528 /17:2810 /18:4718 /19:10813 /20:11858 /21:9909 /22:13264 /23:14212 /24:92663 /25:334 /26:296 /27:190 /28:45 /29:14 /30:60 /31:3 /32:31 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 841 857 Covad Communications 6197 775 948 BellSouth Network Solutions, 7018 725 1507 AT&T WorldNet Services 2386 633 921 AT&T Data Communications Serv 9583 622 797 Sify Limited 4323 562 1178 Time Warner Telecom 4766 425 611 Korea Telecom (KIX) 702 385 609 UUNET - Commercial IP service 5668 380 472 CenturyTel Internet Holdings, 1239 366 858 Sprint 7011 366 425 Citizens Utilities 19916 363 369 OLM LLC 6198 347 474 BellSouth Network Solutions, 11492 331 339 Cable One 6517 313 340 Yipes Communications, Inc. 15270 313 343 PaeTec.net -a division of Pae 13609 290 332 Choice One Communications Inc 701 282 991 UUNET Technologies, Inc. 18302 280 295 SK Global co., Ltd 20115 277 654 Charter Communications Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:5 8:24 12:1600 13:1 15:10 16:3 17:3 18:3 20:27 24:564 30:3 32:66 38:157 40:54 44:3 47:2 52:4 55:1 56:3 57:23 58:157 59:67 60:140 61:766 62:764 63:1885 64:2881 65:2079 66:2955 67:634 68:655 69:1232 70:198 71:26 72:392 80:627 81:560 82:473 83:308 84:256 85:336 86:123 87:23 125:9 128:150 129:167 130:96 131:295 132:36 133:1 134:146 135:43 136:151 137:66 138:163 139:63 140:459 141:137 142:148 143:141 144:210 145:34 146:295 147:112 148:303 149:185 150:108 151:73 152:113 153:93 154:5 155:137 156:80 157:111 158:166 159:171 160:86 161:75 162:235 163:131 164:191 165:183 166:152 167:251 168:442 169:143 170:309 171:8 190:1 192:5713 193:3311 194:2410 195:1556 196:673 198:3868 199:3241 200:4171 201:343 202:6106 203:6434 204:3814 205:2041 206:2448 207:2836 208:2040 209:3396 210:1669 211:814 212:1200 213:1376 214:307 215:39 216:3695 217:1135 218:220 219:132 220:493 221:287 222:128 End of report