Routing Table Report 00:00 GMT Tue 21 Apr, 2009 NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately. Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/rviews/ Analysis Summary ---------------- BGP routing table entries examined: 287806 Prefixes after maximum aggregation: 135542 Deaggregation factor: 2.12 Unique aggregates announced to Internet: 140855 Total ASes present in the Internet Routing Table: 31091 Prefixes per ASN: 9.26 Origin-only ASes present in the Internet Routing Table: 26749 Origin ASes announcing only one prefix: 13163 Transit ASes present in the Internet Routing Table: 4342 Transit-only ASes present in the Internet Routing Table: 106 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 31 Max AS path prepend of ASN (15475) 29 Prefixes from unregistered ASNs in the Routing Table: 522 Unregistered ASNs in the Routing Table: 186 Number of 32-bit ASNs allocated by the RIRs: 140 Prefixes from 32-bit ASNs in the Routing Table: 26 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 212 Number of addresses announced to Internet: 2033425569 Equivalent to 121 /8s, 51 /16s and 156 /24s Percentage of available address space announced: 54.9 Percentage of allocated address space announced: 64.2 Percentage of available address space allocated: 85.5 Percentage of address space in use by end-sites: 76.4 Total number of prefixes smaller than registry allocations: 142140 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 66043 Total APNIC prefixes after maximum aggregation: 23405 APNIC Deaggregation factor: 2.82 Prefixes being announced from the APNIC address blocks: 62734 Unique aggregates announced from the APNIC address blocks: 28661 APNIC Region origin ASes present in the Internet Routing Table: 3581 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 976 APNIC Region transit ASes present in the Internet Routing Table: 568 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 411188736 Equivalent to 24 /8s, 130 /16s and 62 /24s Percentage of available APNIC address space announced: 81.7 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 124344 Total ARIN prefixes after maximum aggregation: 66307 ARIN Deaggregation factor: 1.88 Prefixes being announced from the ARIN address blocks: 92850 Unique aggregates announced from the ARIN address blocks: 36871 ARIN Region origin ASes present in the Internet Routing Table: 12958 ARIN Prefixes per ASN: 7.17 ARIN Region origin ASes announcing only one prefix: 5002 ARIN Region transit ASes present in the Internet Routing Table: 1405 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 427018497 Equivalent to 25 /8s, 115 /16s and 201 /24s Percentage of available ARIN address space announced: 82.1 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, 46080-47103 ARIN Address Blocks 24/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 66522 Total RIPE prefixes after maximum aggregation: 38204 RIPE Deaggregation factor: 1.74 Prefixes being announced from the RIPE address blocks: 61231 Unique aggregates announced from the RIPE address blocks: 40024 RIPE Region origin ASes present in the Internet Routing Table: 12915 RIPE Prefixes per ASN: 4.74 RIPE Region origin ASes announcing only one prefix: 6753 RIPE Region transit ASes present in the Internet Routing Table: 2056 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 29 Number of RIPE addresses announced to Internet: 392879016 Equivalent to 23 /8s, 106 /16s and 219 /24s Percentage of available RIPE address space announced: 83.6 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 40960-45055, 47104-52223 RIPE Address Blocks 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 25630 Total LACNIC prefixes after maximum aggregation: 5886 LACNIC Deaggregation factor: 4.35 Prefixes being announced from the LACNIC address blocks: 23734 Unique aggregates announced from the LACNIC address blocks: 12012 LACNIC Region origin ASes present in the Internet Routing Table: 1098 LACNIC Prefixes per ASN: 21.62 LACNIC Region origin ASes announcing only one prefix: 343 LACNIC Region transit ASes present in the Internet Routing Table: 189 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 29 Number of LACNIC addresses announced to Internet: 62471690 Equivalent to 3 /8s, 185 /16s and 62 /24s Percentage of available LACNIC address space announced: 62.1 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247 plus ERX transfers LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 4823 Total AfriNIC prefixes after maximum aggregation: 1395 AfriNIC Deaggregation factor: 3.46 Prefixes being announced from the AfriNIC address blocks: 4510 Unique aggregates announced from the AfriNIC address blocks: 1382 AfriNIC Region origin ASes present in the Internet Routing Table: 292 AfriNIC Prefixes per ASN: 15.45 AfriNIC Region origin ASes announcing only one prefix: 89 AfriNIC Region transit ASes present in the Internet Routing Table: 61 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC addresses announced to Internet: 10229760 Equivalent to 0 /8s, 156 /16s and 24 /24s Percentage of available AfriNIC address space announced: 30.5 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 17488 1535 123 96 Hathway IP Over Cable Interne 4766 1525 6929 396 Korea Telecom (KIX) 4755 1182 405 177 Videsh Sanchar Nigam Ltd. Aut 9583 1089 86 540 Sify Limited 4134 878 16580 371 CHINANET-BACKBONE 7545 786 164 106 TPG Internet Pty Ltd 18101 755 217 30 Reliance Infocom Ltd Internet 24560 682 228 174 Bharti Airtel Ltd. 9498 677 297 54 BHARTI BT INTERNET LTD. 9829 639 499 20 BSNL National Internet Backbo Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4304 3669 345 bellsouth.net, inc. 4323 1828 1047 374 Time Warner Telecom 1785 1751 717 139 AppliedTheory Corporation 20115 1613 1429 720 Charter Communications 7018 1482 9998 1018 AT&T WorldNet Services 6478 1365 305 457 AT&T Worldnet Services 2386 1250 667 907 AT&T Data Communications Serv 3356 1200 10980 454 Level 3 Communications, LLC 11492 1174 192 11 Cable One 18566 1060 296 10 Covad Communications Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8452 1252 188 7 TEDATA 30890 538 88 200 Evolva Telecom 35228 490 144 5 Avatar Broadband Limited 3292 462 1764 389 TDC Tele Danmark 12479 412 578 6 Uni2 Autonomous System 3301 343 1670 307 TeliaNet Sweden 3320 342 7081 293 Deutsche Telekom AG 3215 340 3025 108 France Telecom Transpac 8866 337 109 22 Bulgarian Telecommunication C 29049 321 26 3 AzerSat LLC. Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7303 1892 270 74 Telecom Argentina Stet-France 8151 1448 2848 234 Uninet S.A. de C.V. 10620 868 196 96 TVCABLE BOGOTA 22047 611 302 14 Types of queries are: POCs, o 11830 516 294 34 Instituto Costarricense de El 16814 461 31 10 NSS, S.A. 6471 443 96 32 ENTEL CHILE S.A. 7738 410 794 28 Telecomunicacoes da Bahia S.A 11172 408 102 72 Alestra 28573 404 528 27 Types of queries are: POCs, o Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 855 78 35 LINKdotNET AS number 20858 297 34 4 EgyNet 3741 272 860 232 The Internet Solution 2018 243 215 143 TENET-1 6713 159 150 15 Itissalat Al-MAGHRIB 33783 151 10 8 EEPAD TISP TELECOM & INTERNET 29571 138 15 9 Ci Telecom Autonomous system 5536 123 8 9 Internet Egypt Network 5713 115 507 66 Telkom SA Ltd 24835 106 46 9 RAYA Telecom - Egypt Complete listing at http://thyme.apnic.net/rviews/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4304 3669 345 bellsouth.net, inc. 7303 1892 270 74 Telecom Argentina Stet-France 4323 1828 1047 374 Time Warner Telecom 1785 1751 717 139 AppliedTheory Corporation 20115 1613 1429 720 Charter Communications 17488 1535 123 96 Hathway IP Over Cable Interne 4766 1525 6929 396 Korea Telecom (KIX) 7018 1482 9998 1018 AT&T WorldNet Services 8151 1448 2848 234 Uninet S.A. de C.V. 6478 1365 305 457 AT&T Worldnet Services Complete listing at http://thyme.apnic.net/rviews/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7303 1892 1818 Telecom Argentina Stet-France 1785 1751 1612 AppliedTheory Corporation 4323 1828 1454 Time Warner Telecom 17488 1535 1439 Hathway IP Over Cable Interne 8452 1252 1245 TEDATA 8151 1448 1214 Uninet S.A. de C.V. 11492 1174 1163 Cable One 4766 1525 1129 Korea Telecom (KIX) 18566 1060 1050 Covad Communications 4755 1182 1005 Videsh Sanchar Nigam Ltd. Aut Complete listing at http://thyme.apnic.net/rviews/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic 32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.apnic.net/rviews/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 10.29.248.71/32 286 KPNQwest Backbone AS Complete listing at http://thyme.apnic.net/rviews/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 41.220.16.0/20 8668 TelOne Zimbabwe P/L 41.223.112.0/22 5713 Telkom SA Ltd 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio Complete listing at http://thyme.apnic.net/rviews/data-add-IANA 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 /10:20 /11:59 /12:169 /13:343 /14:597 /15:1156 /16:10451 /17:4700 /18:8037 /19:16847 /20:20096 /21:20004 /22:26346 /23:25680 /24:151763 /25:200 /26:287 /27:231 /28:249 /29:247 /30:159 /31:0 /32:136 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2804 4304 bellsouth.net, inc. 7303 1410 1892 Telecom Argentina Stet-France 17488 1304 1535 Hathway IP Over Cable Interne 8452 1231 1252 TEDATA 4766 1227 1525 Korea Telecom (KIX) 1785 1158 1751 AppliedTheory Corporation 11492 1118 1174 Cable One 18566 1041 1060 Covad Communications 4323 953 1828 Time Warner Telecom 2386 949 1250 AT&T Data Communications Serv Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:13 8:191 12:2231 13:3 15:19 16:3 17:4 20:35 24:1086 32:144 38:524 40:97 41:1972 43:1 44:2 47:22 52:3 55:2 56:3 57:38 58:573 59:624 60:459 61:1117 62:1153 63:1968 64:3679 65:2392 66:3642 67:1505 68:714 69:2592 70:530 71:134 72:1685 73:2 74:1491 75:169 76:316 77:838 78:566 79:311 80:969 81:821 82:559 83:425 84:612 85:1031 86:391 87:654 88:361 89:1448 90:44 91:2143 92:342 93:1157 94:1203 95:1028 96:117 97:188 98:470 99:17 109:1 110:61 112:101 113:100 114:223 115:228 116:1156 117:508 118:290 119:669 120:149 121:722 122:1005 123:672 124:968 125:1311 128:224 129:231 130:128 131:416 132:73 133:9 134:185 135:214 136:242 137:150 138:148 139:89 140:440 141:106 142:392 143:323 144:353 145:45 146:373 147:153 148:519 149:315 150:147 151:198 152:150 153:145 154:2 155:271 156:170 157:301 158:126 159:303 160:282 161:134 162:273 163:151 164:482 165:534 166:267 167:363 168:687 169:161 170:497 171:38 172:10 173:271 174:176 178:1 186:8 187:109 188:13 189:415 190:2986 192:5857 193:4332 194:3425 195:2753 196:1064 198:3744 199:3323 200:5714 201:1440 202:7998 203:8150 204:3805 205:2157 206:2426 207:2783 208:3904 209:3347 210:2657 211:1119 212:1544 213:1749 214:71 215:30 216:4561 217:1267 218:366 219:424 220:1213 221:453 222:291 End of report