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 24 Feb, 2007 Analysis Summary ---------------- BGP routing table entries examined: 213209 Prefixes after maximum aggregation: 114369 Deaggregation factor: 1.86 Unique aggregates announced to Internet: 103733 Total ASes present in the Internet Routing Table: 24455 Origin-only ASes present in the Internet Routing Table: 21287 Origin ASes announcing only one prefix: 10288 Transit ASes present in the Internet Routing Table: 3168 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: 32 Max AS path prepend of ASN (20858) 18 Prefixes from unregistered ASNs in the Routing Table: 4 Unregistered ASNs in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1686392460 Equivalent to 100 /8s, 132 /16s and 78 /24s Percentage of available address space announced: 45.5 Percentage of allocated address space announced: 62.5 Percentage of available address space allocated: 72.8 Total number of prefixes smaller than registry allocations: 110162 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 48367 Total APNIC prefixes after maximum aggregation: 19418 APNIC Deaggregation factor: 2.49 Prefixes being announced from the APNIC address blocks: 45460 Unique aggregates announced from the APNIC address blocks: 20397 APNIC Region origin ASes present in the Internet Routing Table: 2879 APNIC Region origin ASes announcing only one prefix: 786 APNIC Region transit ASes present in the Internet Routing Table: 426 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 290428416 Equivalent to 17 /8s, 79 /16s and 150 /24s Percentage of available APNIC address space announced: 71.9 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, 116/6, 120/6, 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: 104152 Total ARIN prefixes after maximum aggregation: 61221 ARIN Deaggregation factor: 1.70 Prefixes being announced from the ARIN address blocks: 76195 Unique aggregates announced from the ARIN address blocks: 29518 ARIN Region origin ASes present in the Internet Routing Table: 11365 ARIN Region origin ASes announcing only one prefix: 4368 ARIN Region transit ASes present in the Internet Routing Table: 1052 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 318945408 Equivalent to 19 /8s, 2 /16s and 184 /24s Percentage of available ARIN address space announced: 70.4 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: 44023 Total RIPE prefixes after maximum aggregation: 28723 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 40698 Unique aggregates announced from the RIPE address blocks: 27121 RIPE Region origin ASes present in the Internet Routing Table: 9190 RIPE Region origin ASes announcing only one prefix: 4827 RIPE Region transit ASes present in the Internet Routing Table: 1492 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 291725572 Equivalent to 17 /8s, 99 /16s and 97 /24s Percentage of available RIPE address space announced: 79.0 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 40960-43007 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: 14093 Total LACNIC prefixes after maximum aggregation: 4042 LACNIC Deaggregation factor: 3.49 Prefixes being announced from the LACNIC address blocks: 12154 Unique aggregates announced from the LACNIC address blocks: 7009 LACNIC Region origin ASes present in the Internet Routing Table: 761 LACNIC Region origin ASes announcing only one prefix: 247 LACNIC Region transit ASes present in the Internet Routing Table: 133 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 37685504 Equivalent to 2 /8s, 63 /16s and 9 /24s Percentage of available LACNIC address space announced: 56.2 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: 2571 Total AfriNIC prefixes after maximum aggregation: 963 AfriNIC Deaggregation factor: 2.67 Prefixes being announced from the AfriNIC address blocks: 1891 Unique aggregates announced from the AfriNIC address blocks: 1182 AfriNIC Region origin ASes present in the Internet Routing Table: 180 AfriNIC Region origin ASes announcing only one prefix: 59 AfriNIC Region transit ASes present in the Internet Routing Table: 37 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 5415424 Equivalent to 0 /8s, 82 /16s and 162 /24s Percentage of available AfriNIC address space announced: 16.1 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 1275 8720 276 CHINANET-BACKBONE 4755 1123 383 77 Videsh Sanchar Nigam Ltd. Aut 9583 1077 77 369 Sify Limited 9498 964 468 66 BHARTI BT INTERNET LTD. 23577 777 35 705 Korea Telecom (ATM-MPLS) 4766 768 4942 309 Korea Telecom (KIX) 17488 598 39 24 Hathway IP Over Cable Interne 7545 586 142 76 TPG Internet Pty Ltd 1221 580 1686 442 Telstra Pty Ltd 18101 522 103 23 Reliance Infocom Ltd Internet 17676 503 10935 65 Softbank BB Corp. 4812 498 763 72 China Telecom (Shanghai) 4668 461 68 10 LG-EDS Systems Inc. 9443 444 111 75 Primus Telecommunications 7474 381 216 259 SingTel Optus Pty Ltd 17849 370 35 94 Telecommunications Technology 4802 360 86 149 Wantree Development 17974 358 129 14 PT TELEKOMUNIKASI INDONESIA 17557 353 34 169 Pakistan Telecom 2907 336 1749 309 SINET Japan ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1498 6125 985 AT&T WorldNet Services 4323 1331 1005 351 Time Warner Telecom 6478 1125 443 193 AT&T Worldnet Services 2386 1113 570 738 AT&T Data Communications Serv 6197 1024 667 499 BellSouth Network Solutions, 18566 992 288 9 Covad Communications 11492 978 101 15 Cable One 174 944 6792 868 Cogent Communications 701 941 6695 748 UUNET Technologies, Inc. 1239 814 2713 572 Sprint 20115 801 706 421 Charter Communications 7011 798 229 476 Citizens Utilities 19262 757 2591 178 Verizon Global Networks 22773 732 1872 41 Cox Communications, Inc. 209 712 3743 569 Qwest 721 633 21787 274 DLA Systems Automation Center 852 595 1088 381 Telus Advanced Communications 5668 571 160 16 CenturyTel Internet Holdings, 19916 568 49 54 OLM LLC 855 566 250 70 Canadian Research Network RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 541 1895 419 UUNET - Commercial IP service 24863 328 45 22 LINKdotNET AS number 3301 311 1199 290 TeliaNet Sweden 3320 298 4993 249 Deutsche Telekom AG 8220 271 469 262 COLT Telecommunications 6746 270 95 248 Dynamic Network Technologies, 680 257 2044 251 DFN-IP service G-WiN 8708 242 284 228 Romania Data Systems S.A. 3215 239 2224 92 France Telecom Transpac 1257 223 1116 172 SWIPnet Swedish IP Network 5416 219 14 15 BATELCO-BH 3269 213 2423 71 TELECOM ITALIA 3246 207 354 196 Song Networks 30890 206 17 96 SC Kappa Invexim SRL 8551 204 196 28 Bezeq International 3352 201 1783 33 Ibernet, Internet Access Netw 20858 197 34 3 EgyNet 3300 182 171 89 AUCS Communications Services 12479 177 578 6 Uni2 Autonomous System 786 173 1779 173 The JANET IP Service LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1043 2038 211 UniNet S.A. de C.V. 11830 482 299 19 Instituto Costarricense de El 11172 348 109 85 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 22047 307 206 11 VTR PUNTO NET S.A. 6471 253 74 30 ENTEL CHILE S.A. 7303 251 142 30 Telecom Argentina Stet-France 14117 239 16 13 Telefonica del Sur S.A. 11556 237 128 4 Cable-Wireless Panama 6147 229 182 20 Telefonica Del Peru 6503 200 172 83 AVANTEL, S.A. 10481 181 72 8 Prima S.A. 20299 175 25 26 NEWCOM AMERICAS 21826 153 27 57 INTERCABLE 23216 153 19 42 RAMtelecom Telecomunicaciones 7910 152 11 32 ANDINET ON LINE 19429 146 91 37 E.T.B. 18822 145 9 10 TELEFONICA MANQUEHUE 19169 143 9 25 Telconet 14522 140 22 9 SatNet S.A. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 290 868 232 The Internet Solution 8452 244 60 6 TEDATA 15475 155 84 4 Nile Online 6713 144 135 11 Itissalat Al-MAGHRIB 2018 138 309 113 Tertiary Education Network 5536 123 8 15 Internet Egypt Network 2905 121 178 94 The Internetworking Company o 33783 111 6 5 EEPAD TISP TELECOM & INTERNET 24835 86 48 6 RAYA Telecom - Egypt 2561 64 6 2 Egyptian Universities Network 15706 55 12 4 Sudatel Internet Exchange Aut 23889 50 16 13 MAURITIUS TELECOM 5713 44 294 34 Telkom SA Ltd 33774 42 12 22 AS Number for Telecom Algeria 16637 33 21 25 Johnnic e-Ventures 33766 33 2 1 Nyala Communications Pty Ltd 8524 30 2 6 AUCEGYPT Autonomous System 12455 27 6 3 Jambonet Autonomous system 21280 27 4 4 Swift Global Kenya Ltd.Is an 33776 27 2 5 Starcomms Nigeria Limited Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1123 1046 Videsh Sanchar Nigam Ltd. Aut 4134 1275 999 CHINANET-BACKBONE 18566 992 983 Covad Communications 4323 1331 980 Time Warner Telecom 11492 978 963 Cable One 6478 1125 932 AT&T Worldnet Services 9498 964 898 BHARTI BT INTERNET LTD. 8151 1043 832 UniNet S.A. de C.V. 9583 1077 708 Sify Limited 22773 732 691 Cox Communications, Inc. 19262 757 579 Verizon Global Networks 17488 598 574 Hathway IP Over Cable Interne 5668 571 555 CenturyTel Internet Holdings, 6197 1024 525 BellSouth Network Solutions, 19916 568 514 OLM LLC 7545 586 510 TPG Internet Pty Ltd 18101 522 499 Reliance Infocom Ltd Internet 855 566 496 Canadian Research Network 15270 507 473 PaeTec.net -a division of Pae 11830 482 463 Instituto Costarricense de El List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 7.1.1.0/24 1239 Sprint 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 180.190.0.0/16 24003 JUBILANT ORGANOSYS LTD., INDI 192.0.10.0/24 9498 BHARTI BT INTERNET LTD. 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 192.153.136.0/21 721 DLA Systems Automation Center 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 /8:20 /9:9 /10:12 /11:33 /12:117 /13:226 /14:426 /15:822 /16:9253 /17:3748 /18:6173 /19:13193 /20:14894 /21:13424 /22:17227 /23:18503 /24:113186 /25:718 /26:537 /27:438 /28:68 /29:42 /30:104 /31:0 /32:36 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6478 1077 1125 AT&T Worldnet Services 18566 974 992 Covad Communications 11492 964 978 Cable One 9583 913 1077 Sify Limited 2386 837 1113 AT&T Data Communications Serv 7018 810 1498 AT&T WorldNet Services 6197 795 1024 BellSouth Network Solutions, 23577 763 777 Korea Telecom (ATM-MPLS) 7011 697 798 Citizens Utilities 9498 617 964 BHARTI BT INTERNET LTD. 4766 577 768 Korea Telecom (KIX) 19916 563 568 OLM LLC 4755 529 1123 Videsh Sanchar Nigam Ltd. Aut 4323 527 1331 Time Warner Telecom 15270 475 507 PaeTec.net -a division of Pae 855 465 566 Canadian Research Network 18101 453 522 Reliance Infocom Ltd Internet 4668 452 461 LG-EDS Systems Inc. 5668 441 571 CenturyTel Internet Holdings, 17488 420 598 Hathway IP Over Cable Interne Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 7:1 8:62 9:1 12:1797 13:1 15:16 16:3 17:3 18:5 20:36 24:901 25:1 32:53 38:282 40:57 41:92 44:2 47:7 52:4 55:1 56:3 57:25 58:306 59:391 60:211 61:943 62:1028 63:1920 64:3153 65:2320 66:3149 67:733 68:652 69:1729 70:455 71:98 72:1222 73:1 74:174 75:80 76:5 77:35 80:828 81:782 82:656 83:363 84:509 85:731 86:442 87:492 88:247 89:804 90:3 91:175 97:1 116:1 117:1 118:1 119:1 120:1 121:141 122:301 123:49 124:596 125:843 128:313 129:218 130:131 131:347 132:49 133:9 134:188 135:38 136:181 137:92 138:195 139:52 140:502 141:142 142:371 143:210 144:269 145:43 146:314 147:147 148:376 149:187 150:114 151:116 152:94 153:118 154:5 155:246 156:151 157:176 158:168 159:151 160:99 161:88 162:231 163:163 164:446 165:383 166:245 167:281 168:512 169:119 170:380 171:15 172:1 189:197 190:425 192:5747 193:3729 194:2992 195:2198 196:958 198:3740 199:3284 200:4608 201:985 202:7196 203:7370 204:3971 205:2057 206:2412 207:2848 208:2483 209:3591 210:2384 211:928 212:1296 213:1422 214:407 215:39 216:4033 217:1166 218:349 219:271 220:851 221:374 222:264 End of report Report Website: http://thyme.apnic.net