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 12 Nov, 2005 Analysis Summary ---------------- BGP routing table entries examined: 174875 Prefixes after maximum aggregation: 98803 Unique aggregates announced to Internet: 84517 Total ASes present in the Internet Routing Table: 20867 Origin-only ASes present in the Internet Routing Table: 18147 Origin ASes announcing only one prefix: 8595 Transit ASes present in the Internet Routing Table: 2720 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: 21 Prefixes from unregistered ASNs in the Routing Table: 3 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1458454176 Equivalent to 86 /8s, 238 /16s and 62 /24s Percentage of available address space announced: 39.3 Percentage of allocated address space announced: 59.2 Percentage of available address space allocated: 66.4 Total number of prefixes smaller than registry allocations: 84066 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 36485 Total APNIC prefixes after maximum aggregation: 15862 Prefixes being announced from the APNIC address blocks: 34252 Unique aggregates announced from the APNIC address blocks: 16829 APNIC Region origin ASes present in the Internet Routing Table: 2396 APNIC Region origin ASes announcing only one prefix: 695 APNIC Region transit ASes present in the Internet Routing Table: 367 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 205774784 Equivalent to 12 /8s, 67 /16s and 223 /24s Percentage of available APNIC address space announced: 76.4 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: 92805 Total ARIN prefixes after maximum aggregation: 55833 Prefixes being announced from the ARIN address blocks: 72359 Unique aggregates announced from the ARIN address blocks: 27342 ARIN Region origin ASes present in the Internet Routing Table: 10325 ARIN Region origin ASes announcing only one prefix: 3832 ARIN Region transit ASes present in the Internet Routing Table: 966 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 274748928 Equivalent to 16 /8s, 96 /16s and 86 /24s Percentage of available ARIN address space announced: 68.2 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: 33948 Total RIPE prefixes after maximum aggregation: 22968 Prefixes being announced from the RIPE address blocks: 30960 Unique aggregates announced from the RIPE address blocks: 20751 RIPE Region origin ASes present in the Internet Routing Table: 7279 RIPE Region origin ASes announcing only one prefix: 3814 RIPE Region transit ASes present in the Internet Routing Table: 1206 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 222772736 Equivalent to 13 /8s, 71 /16s and 62 /24s Percentage of available RIPE address space announced: 66.4 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: 9821 Total LACNIC prefixes after maximum aggregation: 3298 Prefixes being announced from the LACNIC address blocks: 8117 Unique aggregates announced from the LACNIC address blocks: 4738 LACNIC Region origin ASes present in the Internet Routing Table: 650 LACNIC Region origin ASes announcing only one prefix: 210 LACNIC Region transit ASes present in the Internet Routing Table: 122 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 21 Number of LACNIC addresses announced to Internet: 22713600 Equivalent to 1 /8s, 90 /16s and 149 /24s Percentage of available LACNIC address space announced: 33.8 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: 1808 Total AfriNIC prefixes after maximum aggregation: 842 Prefixes being announced from the AfriNIC address blocks: 1134 Unique aggregates announced from the AfriNIC address blocks: 832 AfriNIC Region origin ASes present in the Internet Routing Table: 142 AfriNIC Region origin ASes announcing only one prefix: 44 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: 2864640 Equivalent to 0 /8s, 43 /16s and 182 /24s Percentage of available AfriNIC address space announced: 8.5 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 1003 6327 214 CHINANET-BACKBONE 9583 823 77 12 Sify Limited 4755 744 259 65 Videsh Sanchar Nigam Ltd. Aut 1221 741 1342 515 Telstra Pty Ltd 4766 625 3927 285 Korea Telecom (KIX) 7545 515 108 71 TPG Internet Pty Ltd 17676 470 6819 100 Softbank BB Corp. 9498 396 216 64 BHARTI BT INTERNET LTD. 9443 392 87 78 Primus Telecommunications 17488 366 22 10 Hathway IP Over Cable Interne 2907 340 1764 317 SINET Japan 4802 335 73 153 Wantree Development 17557 333 25 163 Pakistan Telecom 7474 332 258 228 SingTel Optus Pty Ltd 9929 326 216 46 China Netcom Corp. 18302 305 141 171 SK Global co., Ltd 9837 274 79 175 Powertel Ltd 17974 272 65 16 PT TELEKOMUNIKASI INDONESIA 18101 269 68 19 Reliance Infocom Ltd Internet 9800 255 396 67 CHINA UNICOM ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1476 6324 970 AT&T WorldNet Services 4323 1194 706 233 Time Warner Telecom 721 1062 21936 301 DLA Systems Automation Center 174 1052 5848 984 Cogent Communications 701 1008 8152 847 UUNET Technologies, Inc. 6197 959 407 496 BellSouth Network Solutions, 2386 931 546 696 AT&T Data Communications Serv 18566 875 240 7 Covad Communications 1239 846 2801 596 Sprint 209 659 3621 523 Qwest 20115 644 522 339 Charter Communications 11492 595 81 10 Cable One 852 574 1093 381 Telus Advanced Communications 3602 565 129 107 Sprint Canada, Inc. 19916 563 49 54 OLM LLC 855 555 247 65 Canadian Research Network 22773 555 1472 28 Cox Communications, Inc. 19262 538 1556 134 Verizon Global Networks 3356 521 10634 401 Level 3 Communications, LLC 6478 492 1300 275 AT&T Worldnet Services RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 609 1959 478 UUNET - Commercial IP service 3301 305 1085 291 TeliaNet Sweden 3320 285 3230 240 Deutsche Telekom AG 8220 270 475 265 COLT Telecommunications 680 244 2040 239 DFN-IP service G-WiN 8708 234 274 220 Romania Data Systems S.A. 3246 228 475 221 Song Networks 6746 201 51 172 Dynamic Network Technologies, 1257 191 712 169 SWIPnet Swedish IP Network 5515 182 840 128 Sonera Solution Autonomous Sy 3269 180 1765 68 TELECOM ITALIA 786 174 1795 174 The JANET IP Service 5400 161 316 134 BT Ignite European Backbone 6830 161 669 33 UPC Distribution Services 8866 159 37 9 Bulgarian Telecommunication C 3300 157 170 91 AUCS Communications Services 12479 150 322 5 Uni2 Autonomous System 24863 148 37 6 LINKdotNET AS number 25186 148 211 104 France Telecom Transpac's Tra 3215 144 1237 78 France Telecom Transpac LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 387 690 165 UniNet S.A. de C.V. 16814 296 18 7 NSS, S.A. 11172 283 88 68 Servicios Alestra S.A de C.V 11664 204 22 28 Keytech SA 19632 196 14 5 Metropolis Intercom S.A. 14117 184 11 6 Telefonica del Sur S.A. 22047 171 128 7 VTR PUNTO NET S.A. 6147 160 116 23 Telefonica Del Peru 7303 145 69 19 Telecom Argentina Stet-France 11556 130 64 3 Cable-Wireless Panama 13999 128 52 9 Mega Cable S.A. de C.V. 19169 125 8 26 Telconet 6505 121 89 85 Global One Communicaoes Ltda 10481 121 48 8 Prima S.A. 18822 112 7 13 TELEFONICA MANQUEHUE 5639 111 12 9 Telecommunications Services o 21826 111 14 19 INTERCABLE 6503 109 148 76 AVANTEL, S.A. 14522 101 12 8 SatNet S.A. 11311 98 8 15 Sinectis S.A. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 269 708 228 The Internet Solution 8452 139 44 7 TEDATA 5536 123 8 12 Internet Egypt Network 2018 116 298 103 Tertiary Education Network 15475 82 84 4 Nile Online 2905 78 211 71 The Internetworking Company o 6713 70 71 10 Itissalat Al-MAGHRIB 20928 60 16 2 Noor Advanced Technologies AS 24835 57 34 6 RAYA Telecom - Egypt 5713 38 151 34 Telkom SA Ltd 12455 33 6 3 Jambonet Autonomous system 15706 31 8 3 Sudatel Internet Exchange Aut 33774 31 3 22 AS Number for Telecom Algeria 8524 24 1 4 AUCEGYPT Autonomous System 16637 24 10 21 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 21280 21 4 4 Swift Global Kenya Ltd.Is an 23889 21 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 1194 961 Time Warner Telecom 18566 875 868 Covad Communications 9583 823 811 Sify Limited 4134 1003 789 CHINANET-BACKBONE 721 1062 761 DLA Systems Automation Center 4755 744 679 Videsh Sanchar Nigam Ltd. Aut 11492 595 585 Cable One 22773 555 527 Cox Communications, Inc. 19916 563 509 OLM LLC 855 555 490 Canadian Research Network 6197 959 463 BellSouth Network Solutions, 3602 565 458 Sprint Canada, Inc. 5668 471 445 CenturyTel Internet Holdings, 7545 515 444 TPG Internet Pty Ltd 19262 538 404 Verizon Global Networks 17676 470 370 Softbank BB Corp. 17488 366 356 Hathway IP Over Cable Interne 6467 398 351 E.Spire Communications, Inc. 812 368 343 Rogers WAVE 4766 625 340 Korea Telecom (KIX) List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65003 PRIVATE 57.250.244.0/24 13879 SITA-EQUANT 65108 PRIVATE 193.202.224.0/20 4589 Easynet Group 24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp. 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 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.172.0.0/19 721 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 /9:5 /10:8 /11:17 /12:80 /13:186 /14:340 /15:663 /16:8592 /17:2869 /18:4838 /19:10998 /20:12096 /21:10140 /22:13429 /23:14626 /24:95043 /25:333 /26:288 /27:192 /28:33 /29:12 /30:37 /31:3 /32:29 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 859 875 Covad Communications 6197 781 959 BellSouth Network Solutions, 7018 725 1476 AT&T WorldNet Services 9583 645 823 Sify Limited 2386 644 931 AT&T Data Communications Serv 11492 587 595 Cable One 4323 571 1194 Time Warner Telecom 19916 557 563 OLM LLC 4766 431 625 Korea Telecom (KIX) 855 427 555 Canadian Research Network 7011 397 459 Citizens Utilities 702 390 609 UUNET - Commercial IP service 5668 373 471 CenturyTel Internet Holdings, 1239 364 846 Sprint 6198 353 483 BellSouth Network Solutions, 6517 324 350 Yipes Communications, Inc. 15270 315 342 PaeTec.net -a division of Pae 13609 297 339 Choice One Communications Inc 18302 289 305 SK Global co., Ltd 701 283 1008 UUNET Technologies, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 8:32 12:1616 13:1 15:11 16:3 17:3 18:3 20:41 24:703 30:2 32:64 38:178 40:54 44:3 47:3 52:4 55:1 56:3 57:35 58:101 59:91 60:147 61:788 62:809 63:1893 64:2967 65:2135 66:2916 67:694 68:661 69:1325 70:223 71:40 72:439 80:651 81:592 82:491 83:314 84:301 85:365 86:183 87:88 125:40 128:153 129:169 130:95 131:308 132:35 133:1 134:148 135:42 136:161 137:70 138:173 139:71 140:437 141:142 142:399 143:141 144:220 145:34 146:299 147:131 148:267 149:194 150:108 151:70 152:111 153:94 154:5 155:144 156:82 157:117 158:147 159:178 160:87 161:77 162:235 163:148 164:190 165:185 166:146 167:248 168:454 169:144 170:312 171:12 190:1 192:5735 193:3349 194:2445 195:1615 196:698 198:3909 199:3230 200:4253 201:429 202:6231 203:6574 204:3815 205:2060 206:2446 207:2899 208:2018 209:3488 210:1760 211:844 212:1208 213:1363 214:314 215:40 216:3864 217:1150 218:214 219:129 220:526 221:308 222:127 End of report