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 27 Aug, 2005 Analysis Summary ---------------- BGP routing table entries examined: 168976 Prefixes after maximum aggregation: 96929 Unique aggregates announced to Internet: 81611 Total ASes present in the Internet Routing Table: 20370 Origin-only ASes present in the Internet Routing Table: 17728 Origin ASes announcing only one prefix: 8403 Transit ASes present in the Internet Routing Table: 2642 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 26 Prefixes from unregistered ASNs in the Routing Table: 15 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1411870976 Equivalent to 84 /8s, 39 /16s and 113 /24s Percentage of available address space announced: 38.1 Percentage of allocated address space announced: 57.4 Percentage of available address space allocated: 66.4 Total number of prefixes smaller than registry allocations: 80191 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 35039 Total APNIC prefixes after maximum aggregation: 15773 Prefixes being announced from the APNIC address blocks: 32900 Unique aggregates announced from the APNIC address blocks: 16471 APNIC Region origin ASes present in the Internet Routing Table: 2342 APNIC Region origin ASes announcing only one prefix: 697 APNIC Region transit ASes present in the Internet Routing Table: 352 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 195514112 Equivalent to 11 /8s, 167 /16s and 79 /24s Percentage of available APNIC address space announced: 72.6 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: 90319 Total ARIN prefixes after maximum aggregation: 54941 Prefixes being announced from the ARIN address blocks: 70576 Unique aggregates announced from the ARIN address blocks: 25937 ARIN Region origin ASes present in the Internet Routing Table: 10165 ARIN Region origin ASes announcing only one prefix: 3755 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: 20 Number of ARIN addresses announced to Internet: 262450432 Equivalent to 15 /8s, 164 /16s and 173 /24s Percentage of available ARIN address space announced: 65.2 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: 32577 Total RIPE prefixes after maximum aggregation: 22250 Prefixes being announced from the RIPE address blocks: 29615 Unique aggregates announced from the RIPE address blocks: 19933 RIPE Region origin ASes present in the Internet Routing Table: 7027 RIPE Region origin ASes announcing only one prefix: 3716 RIPE Region transit ASes present in the Internet Routing Table: 1167 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 215275776 Equivalent to 12 /8s, 212 /16s and 217 /24s Percentage of available RIPE address space announced: 64.2 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 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: 9341 Total LACNIC prefixes after maximum aggregation: 3176 Prefixes being announced from the LACNIC address blocks: 7698 Unique aggregates announced from the LACNIC address blocks: 4437 LACNIC Region origin ASes present in the Internet Routing Table: 633 LACNIC Region origin ASes announcing only one prefix: 196 LACNIC Region transit ASes present in the Internet Routing Table: 118 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 23 Number of LACNIC addresses announced to Internet: 21781760 Equivalent to 1 /8s, 76 /16s and 93 /24s Percentage of available LACNIC address space announced: 32.5 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: 1680 Total AfriNIC prefixes after maximum aggregation: 789 Prefixes being announced from the AfriNIC address blocks: 1014 Unique aggregates announced from the AfriNIC address blocks: 785 AfriNIC Region origin ASes present in the Internet Routing Table: 133 AfriNIC Region origin ASes announcing only one prefix: 39 AfriNIC Region transit ASes present in the Internet Routing Table: 17 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2636288 Equivalent to 0 /8s, 40 /16s and 58 /24s Percentage of available AfriNIC address space announced: 7.9 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 957 5524 194 CHINANET-BACKBONE 9583 756 77 14 Sify Limited 1221 751 1326 521 Telstra Pty Ltd 4755 697 259 64 Videsh Sanchar Nigam Ltd. Aut 4766 602 3927 285 Korea Telecom (KIX) 7545 516 108 72 TPG Internet Pty Ltd 17676 465 6739 99 Softbank BB Corp. 9443 386 84 79 Primus Telecommunications 9498 338 99 59 BHARTI BT INTERNET LTD. 2907 336 1788 313 SINET Japan 9929 334 224 46 China Netcom Corp. 17557 326 23 154 Pakistan Telecom 7474 317 257 220 SingTel Optus Pty Ltd 17488 314 18 7 Hathway IP Over Cable Interne 18302 302 110 158 SK Global co., Ltd 4802 295 53 156 Wantree Development 9837 277 80 179 Powertel Ltd 17974 264 65 14 PT TELEKOMUNIKASI INDONESIA 703 258 262 208 UUNET - Commercial IP service 9800 250 390 64 CHINA UNICOM ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1518 6377 981 AT&T WorldNet Services 4323 1155 704 221 Time Warner Telecom 174 1123 5837 1026 Cogent Communications 721 1091 21906 313 DLA Systems Automation Center 701 1006 8154 857 UUNET Technologies, Inc. 6197 946 503 445 BellSouth Network Solutions, 2386 903 528 663 AT&T Data Communications Serv 1239 861 2847 623 Sprint 18566 836 225 8 Covad Communications 20115 641 503 324 Charter Communications 209 626 3470 488 Qwest 3356 575 10661 445 Level 3 Communications, LLC 27364 554 44 18 Armstrong Cable Services 3602 549 125 106 Sprint Canada, Inc. 3561 533 2416 421 Savvis 22773 523 1352 27 Cox Communications, Inc. 5668 501 115 23 CenturyTel Internet Holdings, 7132 455 4948 389 SBC Internet Services 19262 450 1370 120 Verizon Global Networks 6198 449 416 222 BellSouth Network Solutions, RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 591 1999 482 UUNET - Commercial IP service 3301 299 1081 285 TeliaNet Sweden 3320 290 3232 239 Deutsche Telekom AG 8220 262 474 258 COLT Telecommunications 680 244 2040 240 DFN-IP service G-WiN 8708 233 262 214 Romania Data Systems S.A. 3246 229 469 222 Song Networks 1257 201 712 175 SWIPnet Swedish IP Network 5515 181 778 127 Sonera Solution Autonomous Sy 6746 181 49 157 Dynamic Network Technologies, 9121 175 282 44 TTnet Autonomous System 786 174 1794 174 The JANET IP Service 3269 171 1528 68 TELECOM ITALIA 5400 167 289 141 BT Ignite European Backbone 8866 166 20 7 Bulgarian Telecommunication C 6830 157 669 33 UPC Distribution Services 3300 156 184 90 AUCS Communications Services 25186 144 145 101 France Telecom Transpac's Tra 8551 139 120 20 Bezeq International 1273 137 174 96 Cable & Wireless Deutschland LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 396 650 169 UniNet S.A. de C.V. 16814 298 18 7 NSS, S.A. 11172 242 87 58 Servicios Alestra S.A de C.V 11664 191 20 23 Keytech SA 6147 189 110 21 Telefonica Del Peru 22047 172 128 7 VTR PUNTO NET S.A. 14117 152 9 5 Telefonica del Sur S.A. 7303 143 68 15 Telecom Argentina Stet-France 19632 143 14 5 Metropolis Intercom S.A. 11556 131 64 3 Cable-Wireless Panama 6505 130 90 87 Global One Communicaoes Ltda 10481 120 48 8 Prima S.A. 19169 120 8 26 Telconet 6503 114 148 75 AVANTEL, S.A. 18822 110 7 14 TELEFONICA MANQUEHUE 13999 108 52 9 Mega Cable S.A. de C.V. 21826 103 13 15 INTERCABLE 5639 102 12 9 Telecommunications Services o 11311 97 8 14 Sinectis S.A. 23216 96 24 20 RAMtelecom Telecomunicaciones AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 262 685 220 The Internet Solution 5536 121 8 14 Internet Egypt Network 8452 101 32 7 TEDATA 2018 96 295 87 Tertiary Education Network 2905 77 210 69 The Internetworking Company o 15475 77 84 4 Nile Online 24835 58 34 7 RAYA Telecom - Egypt 20928 57 16 2 Noor Advanced Technologies AS 6713 51 54 8 Itissalat Al-MAGHRIB 5713 43 149 33 Telkom SA Ltd 9129 42 3 3 UUNET Kenya 15706 31 8 3 Sudatel Internet Exchange Aut 12455 30 5 6 Jambonet Autonomous system 8524 23 1 3 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 10798 21 1 12 Standard Bank of South Africa 23889 20 5 9 MAURITIUS TELECOM 12258 17 3 11 Vodacom Internet Company 15804 17 2 1 AS of The Way Out Internet So 15808 17 2 2 Communication Solutions Ltd i Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1155 934 Time Warner Telecom 18566 836 828 Covad Communications 721 1091 778 DLA Systems Automation Center 4134 957 763 CHINANET-BACKBONE 9583 756 742 Sify Limited 4755 697 633 Videsh Sanchar Nigam Ltd. Aut 27364 554 536 Armstrong Cable Services 6197 946 501 BellSouth Network Solutions, 22773 523 496 Cox Communications, Inc. 5668 501 478 CenturyTel Internet Holdings, 7545 516 444 TPG Internet Pty Ltd 3602 549 443 Sprint Canada, Inc. 17676 465 366 Softbank BB Corp. 6467 423 350 E.Spire Communications, Inc. 19262 450 330 Verizon Global Networks 20115 641 317 Charter Communications 4766 602 317 Korea Telecom (KIX) 11492 322 315 Cable One 9443 386 307 Primus Telecommunications 17488 314 307 Hathway IP Over Cable Interne List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel 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 64943 PRIVATE 202.41.14.0/24 24110 Security Mail Pty Lt 64942 PRIVATE 202.41.15.0/24 24110 Security Mail Pty Lt 24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp. 65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam 63946 RESERVED 204.222.174.0/23 268 Uniformed Services U 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 /9:3 /10:8 /11:17 /12:76 /13:171 /14:319 /15:614 /16:8505 /17:2697 /18:4603 /19:10666 /20:11694 /21:9728 /22:13134 /23:14020 /24:91690 /25:328 /26:318 /27:176 /28:49 /29:27 /30:80 /31:1 /32:35 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 820 836 Covad Communications 6197 769 946 BellSouth Network Solutions, 7018 724 1518 AT&T WorldNet Services 2386 611 903 AT&T Data Communications Serv 9583 578 756 Sify Limited 4323 553 1155 Time Warner Telecom 27364 545 554 Armstrong Cable Services 4766 419 602 Korea Telecom (KIX) 5668 405 501 CenturyTel Internet Holdings, 702 365 591 UUNET - Commercial IP service 19916 363 369 OLM LLC 1239 360 861 Sprint 7011 345 401 Citizens Utilities 6198 323 449 BellSouth Network Solutions, 11492 314 322 Cable One 6517 302 325 Yipes Communications, Inc. 15270 302 332 PaeTec.net -a division of Pae 18302 287 302 SK Global co., Ltd 701 282 1006 UUNET Technologies, Inc. 11456 280 317 Carolina Online, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:7 8:22 11:1 12:1572 13:1 15:9 16:2 17:3 18:3 20:22 24:1065 30:3 32:61 33:1 38:143 40:56 44:4 47:2 52:4 55:2 56:3 57:23 58:154 59:64 60:114 61:717 62:722 63:1876 64:2832 65:2066 66:2900 67:600 68:579 69:1150 70:171 71:12 72:349 80:593 81:541 82:461 83:301 84:225 85:286 86:90 87:28 128:153 129:167 130:94 131:299 132:37 133:1 134:144 135:42 136:150 137:64 138:163 139:61 140:401 141:106 142:144 143:135 144:193 145:34 146:289 147:111 148:297 149:180 150:107 151:61 152:108 153:89 154:5 155:143 156:80 157:99 158:167 159:167 160:87 161:72 162:220 163:112 164:188 165:194 166:154 167:247 168:439 169:141 170:317 171:8 190:1 192:5739 193:3266 194:2401 195:1598 196:651 198:3882 199:3288 200:4117 201:279 202:6068 203:6352 204:3801 205:2047 206:2455 207:2831 208:2032 209:3325 210:1653 211:786 212:1240 213:1335 214:295 215:35 216:3626 217:1116 218:217 219:136 220:437 221:248 222:123 End of report