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 For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 16 Sep, 2006 Analysis Summary ---------------- BGP routing table entries examined: 197928 Prefixes after maximum aggregation: 107946 Unique aggregates announced to Internet: 95928 Total ASes present in the Internet Routing Table: 23141 Origin-only ASes present in the Internet Routing Table: 20180 Origin ASes announcing only one prefix: 9686 Transit ASes present in the Internet Routing Table: 2961 Transit-only ASes present in the Internet Routing Table: 66 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 29 Max AS path prepend of ASN (36728) 27 Prefixes from unregistered ASNs in the Routing Table: 1 Unregistered ASNs in the Routing Table: 1 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1588413004 Equivalent to 94 /8s, 173 /16s and 66 /24s Percentage of available address space announced: 42.9 Percentage of allocated address space announced: 60.8 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 99068 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43365 Total APNIC prefixes after maximum aggregation: 17398 Prefixes being announced from the APNIC address blocks: 40969 Unique aggregates announced from the APNIC address blocks: 18335 APNIC Region origin ASes present in the Internet Routing Table: 2695 APNIC Region origin ASes announcing only one prefix: 756 APNIC Region transit ASes present in the Internet Routing Table: 402 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 262327904 Equivalent to 15 /8s, 162 /16s and 206 /24s Percentage of available APNIC address space announced: 82.0 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, 121/8, 122/7, 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: 100132 Total ARIN prefixes after maximum aggregation: 59256 Prefixes being announced from the ARIN address blocks: 73331 Unique aggregates announced from the ARIN address blocks: 27657 ARIN Region origin ASes present in the Internet Routing Table: 10980 ARIN Region origin ASes announcing only one prefix: 4159 ARIN Region transit ASes present in the Internet Routing Table: 1008 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 29 Number of ARIN addresses announced to Internet: 298082048 Equivalent to 17 /8s, 196 /16s and 95 /24s Percentage of available ARIN address space announced: 77.2 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, 39936-40959 ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 39951 Total RIPE prefixes after maximum aggregation: 26595 Prefixes being announced from the RIPE address blocks: 36913 Unique aggregates announced from the RIPE address blocks: 24868 RIPE Region origin ASes present in the Internet Routing Table: 8518 RIPE Region origin ASes announcing only one prefix: 4480 RIPE Region transit ASes present in the Internet Routing Table: 1369 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 265855460 Equivalent to 15 /8s, 216 /16s and 161 /24s Percentage of available RIPE address space announced: 72.0 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 40960-41983 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 12141 Total LACNIC prefixes after maximum aggregation: 3778 Prefixes being announced from the LACNIC address blocks: 10178 Unique aggregates announced from the LACNIC address blocks: 6089 LACNIC Region origin ASes present in the Internet Routing Table: 721 LACNIC Region origin ASes announcing only one prefix: 243 LACNIC Region transit ASes present in the Internet Routing Table: 125 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 32618752 Equivalent to 1 /8s, 241 /16s and 185 /24s Percentage of available LACNIC address space announced: 48.6 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: 2338 Total AfriNIC prefixes after maximum aggregation: 919 Prefixes being announced from the AfriNIC address blocks: 1607 Unique aggregates announced from the AfriNIC address blocks: 1017 AfriNIC Region origin ASes present in the Internet Routing Table: 161 AfriNIC Region origin ASes announcing only one prefix: 48 AfriNIC Region transit ASes present in the Internet Routing Table: 25 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 4244224 Equivalent to 0 /8s, 64 /16s and 195 /24s Percentage of available AfriNIC address space announced: 12.6 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 1305 8118 239 CHINANET-BACKBONE 4755 987 255 68 Videsh Sanchar Nigam Ltd. Aut 9583 953 109 15 Sify Limited 9498 850 212 71 BHARTI BT INTERNET LTD. 4766 736 4436 307 Korea Telecom (KIX) 1221 610 1780 468 Telstra Pty Ltd 7545 537 124 72 TPG Internet Pty Ltd 17488 530 33 12 Hathway IP Over Cable Interne 17676 497 10933 62 Softbank BB Corp. 9443 454 111 74 Primus Telecommunications 18101 453 85 18 Reliance Infocom Ltd Internet 17849 424 31 127 Telecommunications Technology 4802 409 84 149 Wantree Development 4812 396 741 60 China Telecom (Shanghai) 17974 374 129 12 PT TELEKOMUNIKASI INDONESIA 17557 353 28 168 Pakistan Telecom 2907 337 1734 312 SINET Japan 10139 327 23 6 Meridian Telekoms 4837 323 3555 138 chinanet IDC center beijing n 7474 284 210 221 SingTel Optus Pty Ltd ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1494 6291 964 AT&T WorldNet Services 2386 1029 569 778 AT&T Data Communications Serv 6197 1029 640 479 BellSouth Network Solutions, 4323 1015 776 290 Time Warner Telecom 721 977 21909 306 DLA Systems Automation Center 174 972 6794 905 Cogent Communications 18566 961 272 8 Covad Communications 701 947 6743 775 UUNET Technologies, Inc. 1239 841 2765 591 Sprint 19262 738 2280 189 Verizon Global Networks 20115 738 660 384 Charter Communications 11492 737 90 12 Cable One 22773 702 1744 45 Cox Communications, Inc. 209 689 3630 545 Qwest 7011 666 207 420 Citizens Utilities 852 588 1069 385 Telus Advanced Communications 6478 577 1257 378 AT&T Worldnet Services 19916 565 49 54 OLM LLC 855 545 248 69 Canadian Research Network 5668 537 145 18 CenturyTel Internet Holdings, RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 546 1944 428 UUNET - Commercial IP service 3301 315 1186 299 TeliaNet Sweden 3320 297 5013 242 Deutsche Telekom AG 8220 279 455 265 COLT Telecommunications 24863 268 42 14 LINKdotNET AS number 680 248 2041 244 DFN-IP service G-WiN 6746 244 90 223 Dynamic Network Technologies, 3246 227 469 217 Song Networks 9116 222 134 23 Goldenlines main autonomous s 1257 221 740 168 SWIPnet Swedish IP Network 8708 216 278 203 Romania Data Systems S.A. 3215 208 1816 95 France Telecom Transpac 3269 204 2262 74 TELECOM ITALIA 8551 202 182 27 Bezeq International 30890 200 18 78 SC Kappa Invexim SRL 6830 198 879 43 UPC Distribution Services 8866 186 37 15 Bulgarian Telecommunication C 5416 180 12 11 BATELCO-BH 3300 177 172 100 AUCS Communications Services 786 172 1779 172 The JANET IP Service LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 637 1811 226 UniNet S.A. de C.V. 11172 372 98 89 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 22047 303 206 11 VTR PUNTO NET S.A. 6147 277 142 23 Telefonica Del Peru 6471 256 74 30 ENTEL CHILE S.A. 14117 217 13 7 Telefonica del Sur S.A. 7303 187 88 18 Telecom Argentina Stet-France 6503 184 167 84 AVANTEL, S.A. 10481 181 72 8 Prima S.A. 21826 141 18 25 INTERCABLE 7910 138 9 20 ANDINET ON LINE 19169 137 9 22 Telconet 11556 132 96 4 Cable-Wireless Panama 19429 132 81 39 E.T.B. 18822 129 8 10 TELEFONICA MANQUEHUE 14522 117 18 9 SatNet S.A. 7738 114 410 20 Telecomunicacoes da Bahia S.A 14259 112 10 15 GTD Internet S.A. 23216 112 21 9 RAMtelecom Telecomunicaciones AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 290 803 231 The Internet Solution 8452 173 60 7 TEDATA 6713 144 135 11 Itissalat Al-MAGHRIB 15475 141 84 4 Nile Online 2018 136 298 112 Tertiary Education Network 5536 121 8 18 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 107 6 2 EEPAD TISP TELECOM & INTERNET 2905 80 159 71 The Internetworking Company o 2561 68 6 2 Egyptian Universities Network 15706 55 12 4 Sudatel Internet Exchange Aut 5713 36 293 32 Telkom SA Ltd 33774 32 7 20 AS Number for Telecom Algeria 23889 27 8 11 MAURITIUS TELECOM 16637 25 19 23 Johnnic e-Ventures 10798 23 1 14 Standard Bank of South Africa 12455 23 6 3 Jambonet Autonomous system 21280 23 4 4 Swift Global Kenya Ltd.Is an 8524 22 1 5 AUCEGYPT Autonomous System 21491 22 17 2 UTL On-line is RF broadband I Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4134 1305 1066 CHINANET-BACKBONE 18566 961 953 Covad Communications 9583 953 938 Sify Limited 4755 987 919 Videsh Sanchar Nigam Ltd. Aut 9498 850 779 BHARTI BT INTERNET LTD. 4323 1015 725 Time Warner Telecom 11492 737 725 Cable One 721 977 671 DLA Systems Automation Center 22773 702 657 Cox Communications, Inc. 6197 1029 550 BellSouth Network Solutions, 19262 738 549 Verizon Global Networks 5668 537 519 CenturyTel Internet Holdings, 17488 530 518 Hathway IP Over Cable Interne 19916 565 511 OLM LLC 855 545 476 Canadian Research Network 7545 537 465 TPG Internet Pty Ltd 17676 497 435 Softbank BB Corp. 15270 470 435 PaeTec.net -a division of Pae 18101 453 435 Reliance Infocom Ltd Internet 4766 736 429 Korea Telecom (KIX) List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 198.18.0.0/15 8895 KACST/ISU Riyadh Autonomous S 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 192.44.0.0/24 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 192.172.0.0/19 721 DLA Systems Automation Center 192.249.0.0/20 3450 University of Tennessee, Knox Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:9 /10:13 /11:31 /12:104 /13:212 /14:385 /15:756 /16:9010 /17:3460 /18:5668 /19:12246 /20:13829 /21:12161 /22:15408 /23:16661 /24:106650 /25:433 /26:441 /27:190 /28:66 /29:43 /30:87 /31:0 /32:47 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 944 961 Covad Communications 6197 808 1029 BellSouth Network Solutions, 9583 782 953 Sify Limited 7018 780 1494 AT&T WorldNet Services 2386 746 1029 AT&T Data Communications Serv 11492 725 737 Cable One 7011 571 666 Citizens Utilities 19916 559 565 OLM LLC 4766 546 736 Korea Telecom (KIX) 9498 506 850 BHARTI BT INTERNET LTD. 15270 439 470 PaeTec.net -a division of Pae 855 424 545 Canadian Research Network 4755 421 987 Videsh Sanchar Nigam Ltd. Aut 5668 420 537 CenturyTel Internet Holdings, 17849 412 424 Telecommunications Technology 1239 408 841 Sprint 18101 387 453 Reliance Infocom Ltd Internet 7066 380 478 Virginia Polytechnic Institut 22773 369 702 Cox Communications, Inc. 33588 355 376 Bresnan Communications, LLC. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 8:47 11:1 12:1635 13:1 15:16 16:3 17:3 18:4 20:41 24:822 25:1 32:60 38:253 40:55 41:17 44:3 47:6 52:4 55:1 56:3 57:25 58:234 59:265 60:182 61:898 62:904 63:1893 64:3072 65:2219 66:3070 67:655 68:653 69:1618 70:389 71:98 72:912 74:78 75:7 80:824 81:694 82:610 83:384 84:392 85:647 86:405 87:453 88:187 89:459 121:32 122:14 123:1 124:371 125:636 128:155 129:228 130:118 131:310 132:37 133:9 134:167 135:48 136:178 137:97 138:225 139:64 140:523 141:134 142:360 143:192 144:240 145:42 146:324 147:136 148:356 149:177 150:113 151:120 152:76 153:117 154:5 155:229 156:158 157:178 158:155 159:173 160:97 161:85 162:218 163:168 164:448 165:226 166:240 167:248 168:487 169:129 170:364 171:11 190:207 192:5744 193:3471 194:2731 195:2077 196:881 198:3891 199:3323 200:4453 201:924 202:6890 203:7131 204:3919 205:2088 206:2427 207:2929 208:2292 209:3477 210:2180 211:831 212:1317 213:1444 214:374 215:40 216:4036 217:1125 218:345 219:257 220:790 221:384 222:242 End of report Report Website: http://thyme.apnic.net