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 04 Nov, 2006 Analysis Summary ---------------- BGP routing table entries examined: 202451 Prefixes after maximum aggregation: 110029 Unique aggregates announced to Internet: 98259 Total ASes present in the Internet Routing Table: 23539 Origin-only ASes present in the Internet Routing Table: 20493 Origin ASes announcing only one prefix: 9862 Transit ASes present in the Internet Routing Table: 3046 Transit-only ASes present in the Internet Routing Table: 79 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: 2 Unregistered ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1625968400 Equivalent to 96 /8s, 234 /16s and 79 /24s Percentage of available address space announced: 43.9 Percentage of allocated address space announced: 60.7 Percentage of available address space allocated: 72.3 Total number of prefixes smaller than registry allocations: 102103 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 44918 Total APNIC prefixes after maximum aggregation: 18279 Prefixes being announced from the APNIC address blocks: 42504 Unique aggregates announced from the APNIC address blocks: 18572 APNIC Region origin ASes present in the Internet Routing Table: 2739 APNIC Region origin ASes announcing only one prefix: 761 APNIC Region transit ASes present in the Internet Routing Table: 417 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 265522528 Equivalent to 15 /8s, 211 /16s and 141 /24s Percentage of available APNIC address space announced: 83.0 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: 101032 Total ARIN prefixes after maximum aggregation: 59784 Prefixes being announced from the ARIN address blocks: 74283 Unique aggregates announced from the ARIN address blocks: 28181 ARIN Region origin ASes present in the Internet Routing Table: 11101 ARIN Region origin ASes announcing only one prefix: 4218 ARIN Region transit ASes present in the Internet Routing Table: 1041 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 29 Number of ARIN addresses announced to Internet: 308402080 Equivalent to 18 /8s, 97 /16s and 215 /24s Percentage of available ARIN address space announced: 68.1 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, 96/6, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 41038 Total RIPE prefixes after maximum aggregation: 27152 Prefixes being announced from the RIPE address blocks: 37976 Unique aggregates announced from the RIPE address blocks: 25439 RIPE Region origin ASes present in the Internet Routing Table: 8710 RIPE Region origin ASes announcing only one prefix: 4592 RIPE Region transit ASes present in the Internet Routing Table: 1398 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 271540228 Equivalent to 16 /8s, 47 /16s and 96 /24s Percentage of available RIPE address space announced: 73.6 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: 13120 Total LACNIC prefixes after maximum aggregation: 3886 Prefixes being announced from the LACNIC address blocks: 11098 Unique aggregates announced from the LACNIC address blocks: 6764 LACNIC Region origin ASes present in the Internet Routing Table: 744 LACNIC Region origin ASes announcing only one prefix: 241 LACNIC Region transit ASes present in the Internet Routing Table: 130 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 33934592 Equivalent to 2 /8s, 5 /16s and 205 /24s Percentage of available LACNIC address space announced: 50.6 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: 2341 Total AfriNIC prefixes after maximum aggregation: 928 Prefixes being announced from the AfriNIC address blocks: 1621 Unique aggregates announced from the AfriNIC address blocks: 1041 AfriNIC Region origin ASes present in the Internet Routing Table: 166 AfriNIC Region origin ASes announcing only one prefix: 50 AfriNIC Region transit ASes present in the Internet Routing Table: 28 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 4332800 Equivalent to 0 /8s, 66 /16s and 29 /24s Percentage of available AfriNIC address space announced: 12.9 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 1222 8455 244 CHINANET-BACKBONE 4755 1026 384 67 Videsh Sanchar Nigam Ltd. Aut 9583 953 109 15 Sify Limited 9498 864 212 64 BHARTI BT INTERNET LTD. 23577 776 35 707 KRNIC 4766 739 4436 306 Korea Telecom (KIX) 1221 609 1780 468 Telstra Pty Ltd 17488 547 34 15 Hathway IP Over Cable Interne 7545 544 124 73 TPG Internet Pty Ltd 17676 500 10934 64 Softbank BB Corp. 18101 473 86 22 Reliance Infocom Ltd Internet 9443 454 111 74 Primus Telecommunications 4812 438 745 60 China Telecom (Shanghai) 9942 433 77 127 COMindico Australia 17849 430 36 126 Telecommunications Technology 4802 411 86 151 Wantree Development 10139 371 23 6 Meridian Telekoms 17974 367 129 12 PT TELEKOMUNIKASI INDONESIA 17557 365 31 176 Pakistan Telecom 2907 334 1749 311 SINET Japan ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1537 6189 986 AT&T WorldNet Services 2386 1118 581 746 AT&T Data Communications Serv 4323 1030 786 291 Time Warner Telecom 6197 1020 613 497 BellSouth Network Solutions, 18566 972 272 8 Covad Communications 701 944 6722 772 UUNET Technologies, Inc. 174 939 6821 864 Cogent Communications 721 859 21925 305 DLA Systems Automation Center 1239 841 2748 588 Sprint 11492 798 96 18 Cable One 19262 782 2438 181 Verizon Global Networks 20115 758 682 399 Charter Communications 22773 715 1744 43 Cox Communications, Inc. 209 710 3777 558 Qwest 7011 689 213 430 Citizens Utilities 852 594 1087 389 Telus Advanced Communications 19916 565 49 54 OLM LLC 5668 541 145 18 CenturyTel Internet Holdings, 855 537 250 74 Canadian Research Network 6478 536 1321 338 AT&T Worldnet Services RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 549 1929 428 UUNET - Commercial IP service 3301 311 1200 295 TeliaNet Sweden 3320 308 5016 249 Deutsche Telekom AG 24863 276 41 30 LINKdotNET AS number 8220 273 470 263 COLT Telecommunications 6746 251 92 228 Dynamic Network Technologies, 680 250 2041 246 DFN-IP service G-WiN 9116 228 134 23 Goldenlines main autonomous s 3246 227 469 217 Song Networks 8708 222 279 209 Romania Data Systems S.A. 3215 220 1956 93 France Telecom Transpac 1257 215 740 171 SWIPnet Swedish IP Network 8551 214 198 29 Bezeq International 3269 207 2341 75 TELECOM ITALIA 30890 204 18 80 SC Kappa Invexim SRL 5416 188 13 13 BATELCO-BH 6830 188 823 39 UPC Distribution Services 3300 177 171 96 AUCS Communications Services 786 171 1779 171 The JANET IP Service 3352 168 1703 31 Ibernet, Internet Access Netw LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 761 1922 216 UniNet S.A. de C.V. 11830 477 299 19 Instituto Costarricense de El 11172 434 101 88 Servicios Alestra S.A de C.V 16814 330 20 9 NSS, S.A. 22047 303 206 11 VTR PUNTO NET S.A. 6147 268 148 25 Telefonica Del Peru 6471 267 74 30 ENTEL CHILE S.A. 14117 240 15 10 Telefonica del Sur S.A. 7303 210 94 36 Telecom Argentina Stet-France 6503 194 169 87 AVANTEL, S.A. 10481 181 72 8 Prima S.A. 21826 145 19 30 INTERCABLE 7910 139 11 23 ANDINET ON LINE 19169 136 9 21 Telconet 19429 135 83 39 E.T.B. 23216 135 19 43 RAMtelecom Telecomunicaciones 11556 132 96 4 Cable-Wireless Panama 18822 129 8 10 TELEFONICA MANQUEHUE 14522 117 18 9 SatNet S.A. 7738 116 442 21 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 294 804 234 The Internet Solution 8452 172 60 7 TEDATA 6713 145 139 12 Itissalat Al-MAGHRIB 15475 135 84 4 Nile Online 2018 133 297 111 Tertiary Education Network 5536 122 8 17 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 109 6 4 EEPAD TISP TELECOM & INTERNET 2905 75 157 68 The Internetworking Company o 2561 56 6 2 Egyptian Universities Network 15706 56 12 4 Sudatel Internet Exchange Aut 12455 39 6 3 Jambonet Autonomous system 5713 36 293 32 Telkom SA Ltd 33774 35 7 21 AS Number for Telecom Algeria 8524 30 2 6 AUCEGYPT Autonomous System 23889 30 10 13 MAURITIUS TELECOM 21280 26 4 4 Swift Global Kenya Ltd.Is an 16637 24 19 23 Johnnic e-Ventures 10798 23 1 14 Standard Bank of South Africa 21491 21 17 2 UTL On-line is RF broadband I Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4134 1222 978 CHINANET-BACKBONE 18566 972 964 Covad Communications 4755 1026 959 Videsh Sanchar Nigam Ltd. Aut 9583 953 938 Sify Limited 9498 864 800 BHARTI BT INTERNET LTD. 11492 798 780 Cable One 4323 1030 739 Time Warner Telecom 22773 715 672 Cox Communications, Inc. 19262 782 601 Verizon Global Networks 721 859 554 DLA Systems Automation Center 8151 761 545 UniNet S.A. de C.V. 17488 547 532 Hathway IP Over Cable Interne 6197 1020 523 BellSouth Network Solutions, 5668 541 523 CenturyTel Internet Holdings, 19916 565 511 OLM LLC 7545 544 471 TPG Internet Pty Ltd 855 537 463 Canadian Research Network 11830 477 458 Instituto Costarricense de El 18101 473 451 Reliance Infocom Ltd Internet 15270 482 447 PaeTec.net -a division of Pae List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65000 PRIVATE 203.98.210.64/27 1803 SPRINT 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 172.33.1.0/24 7018 AT&T WorldNet Services 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 Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:10 /10:13 /11:29 /12:107 /13:218 /14:391 /15:786 /16:9051 /17:3531 /18:5788 /19:12639 /20:14167 /21:12546 /22:15920 /23:17380 /24:108091 /25:643 /26:542 /27:358 /28:70 /29:40 /30:82 /31:0 /32:30 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 955 972 Covad Communications 2386 833 1118 AT&T Data Communications Serv 7018 814 1537 AT&T WorldNet Services 6197 800 1020 BellSouth Network Solutions, 11492 784 798 Cable One 9583 782 953 Sify Limited 23577 762 776 KRNIC 7011 595 689 Citizens Utilities 19916 559 565 OLM LLC 4766 549 739 Korea Telecom (KIX) 9498 524 864 BHARTI BT INTERNET LTD. 4755 456 1026 Videsh Sanchar Nigam Ltd. Aut 15270 451 482 PaeTec.net -a division of Pae 855 433 537 Canadian Research Network 5668 421 541 CenturyTel Internet Holdings, 1239 419 841 Sprint 17849 416 430 Telecommunications Technology 18101 406 473 Reliance Infocom Ltd Internet 22773 381 715 Cox Communications, Inc. 33588 370 391 Bresnan Communications, LLC. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 6:1 8:55 12:1647 13:1 15:16 16:3 17:3 18:4 20:38 24:836 32:58 38:262 40:57 41:17 44:1 47:8 52:4 53:1 55:1 56:3 57:25 58:253 59:308 60:216 61:946 62:986 63:1874 64:3105 65:2238 66:3027 67:653 68:648 69:1679 70:404 71:107 72:999 74:93 75:11 80:847 81:708 82:632 83:395 84:446 85:700 86:415 87:420 88:237 89:547 91:35 121:59 122:24 124:430 125:686 128:284 129:206 130:124 131:314 132:35 133:9 134:167 135:50 136:179 137:113 138:207 139:47 140:525 141:132 142:346 143:192 144:241 145:43 146:328 147:140 148:372 149:177 150:115 151:118 152:80 153:121 154:5 155:261 156:152 157:162 158:152 159:173 160:97 161:86 162:215 163:148 164:237 165:234 166:243 167:264 168:484 169:124 170:387 171:11 172:1 189:2 190:266 192:5757 193:3553 194:2757 195:2113 196:868 198:3797 199:3313 200:4546 201:954 202:6961 203:7135 204:3928 205:2110 206:2402 207:2953 208:2326 209:3563 210:2167 211:870 212:1335 213:1444 214:386 215:39 216:4087 217:1144 218:345 219:264 220:801 221:377 222:249 End of report Report Website: http://thyme.apnic.net