Routing Table Report 00:00 GMT Sat 22 Aug, 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: 300763 Prefixes after maximum aggregation: 139864 Deaggregation factor: 2.15 Unique aggregates announced to Internet: 146168 Total ASes present in the Internet Routing Table: 32046 Prefixes per ASN: 9.39 Origin-only ASes present in the Internet Routing Table: 27737 Origin ASes announcing only one prefix: 13554 Transit ASes present in the Internet Routing Table: 4309 Transit-only ASes present in the Internet Routing Table: 103 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 30 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 801 Unregistered ASNs in the Routing Table: 207 Number of 32-bit ASNs allocated by the RIRs: 241 Prefixes from 32-bit ASNs in the Routing Table: 95 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 334 Number of addresses announced to Internet: 2089769610 Equivalent to 124 /8s, 143 /16s and 90 /24s Percentage of available address space announced: 56.4 Percentage of allocated address space announced: 64.6 Percentage of available address space allocated: 87.3 Percentage of address space in use by end-sites: 78.7 Total number of prefixes smaller than registry allocations: 145446 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 71143 Total APNIC prefixes after maximum aggregation: 25088 APNIC Deaggregation factor: 2.84 Prefixes being announced from the APNIC address blocks: 70612 Unique aggregates announced from the APNIC address blocks: 31562 APNIC Region origin ASes present in the Internet Routing Table: 3736 APNIC Prefixes per ASN: 18.90 APNIC Region origin ASes announcing only one prefix: 1023 APNIC Region transit ASes present in the Internet Routing Table: 582 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 481659328 Equivalent to 28 /8s, 181 /16s and 137 /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, 45056-46079 APNIC Address Blocks 43/8, 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, 175/8, 180/8, 182/8, 183/8, 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: 126677 Total ARIN prefixes after maximum aggregation: 66869 ARIN Deaggregation factor: 1.89 Prefixes being announced from the ARIN address blocks: 127017 Unique aggregates announced from the ARIN address blocks: 52434 ARIN Region origin ASes present in the Internet Routing Table: 13228 ARIN Prefixes per ASN: 9.60 ARIN Region origin ASes announcing only one prefix: 5102 ARIN Region transit ASes present in the Internet Routing Table: 1340 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 1013035221 Equivalent to 60 /8s, 97 /16s and 176 /24s Percentage of available ARIN address space announced: 88.8 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 53248-55295 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 52/8, 54/8, 55/8, 56/8, 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, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 68821 Total RIPE prefixes after maximum aggregation: 39965 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 68697 Unique aggregates announced from the RIPE address blocks: 45332 RIPE Region origin ASes present in the Internet Routing Table: 13405 RIPE Prefixes per ASN: 5.12 RIPE Region origin ASes announcing only one prefix: 6976 RIPE Region transit ASes present in the Internet Routing Table: 2064 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 499882792 Equivalent to 29 /8s, 203 /16s and 155 /24s Percentage of available RIPE address space announced: 99.3 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 25/8, 51/8, 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: 27553 Total LACNIC prefixes after maximum aggregation: 6143 LACNIC Deaggregation factor: 4.49 Prefixes being announced from the LACNIC address blocks: 27540 Unique aggregates announced from the LACNIC address blocks: 13960 LACNIC Region origin ASes present in the Internet Routing Table: 1165 LACNIC Prefixes per ASN: 23.64 LACNIC Region origin ASes announcing only one prefix: 368 LACNIC Region transit ASes present in the Internet Routing Table: 195 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 30 Number of LACNIC addresses announced to Internet: 73358024 Equivalent to 4 /8s, 95 /16s and 90 /24s Percentage of available LACNIC address space announced: 72.9 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: 6168 Total AfriNIC prefixes after maximum aggregation: 1522 AfriNIC Deaggregation factor: 4.05 Prefixes being announced from the AfriNIC address blocks: 6563 Unique aggregates announced from the AfriNIC address blocks: 2614 AfriNIC Region origin ASes present in the Internet Routing Table: 306 AfriNIC Prefixes per ASN: 21.45 AfriNIC Region origin ASes announcing only one prefix: 85 AfriNIC Region transit ASes present in the Internet Routing Table: 67 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC addresses announced to Internet: 20226816 Equivalent to 1 /8s, 52 /16s and 163 /24s Percentage of available AfriNIC address space announced: 60.3 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 4766 1559 6979 424 Korea Telecom (KIX) 17488 1554 140 103 Hathway IP Over Cable Interne 4755 1227 292 140 Videsh Sanchar Nigam Ltd. Aut 9583 1098 86 532 Sify Limited 18101 959 202 32 Reliance Infocom Ltd Internet 4134 945 18167 389 CHINANET-BACKBONE 23577 933 34 774 KRNIC 7545 818 198 102 TPG Internet Pty Ltd 9829 807 620 16 BSNL National Internet Backbo 24560 737 255 166 Bharti Airtel Ltd. 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 4176 3606 308 bellsouth.net, inc. 20115 2184 1476 669 Charter Communications 4323 1911 1049 390 Time Warner Telecom 1785 1726 714 137 AppliedTheory Corporation 7018 1494 9961 1050 AT&T WorldNet Services 6478 1383 282 272 AT&T Worldnet Services 2386 1291 642 945 AT&T Data Communications Serv 3356 1213 10947 435 Level 3 Communications, LLC 11492 1110 208 12 Cable One 22773 1086 2604 66 Cox Communications, Inc. 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 702 628 1861 345 UUNET - Commercial IP service 30890 485 92 198 Evolva Telecom 12479 473 578 6 Uni2 Autonomous System 3292 470 1905 397 TDC Tele Danmark 35805 380 40 5 United Telecom AS 3301 373 1412 308 TeliaNet Sweden 9198 357 138 12 Kazakhtelecom Corporate Sales 3320 347 7067 300 Deutsche Telekom AG 3215 344 3081 109 France Telecom Transpac 8866 342 109 22 Bulgarian Telecommunication C 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 2232 333 97 Telecom Argentina Stet-France 8151 1471 2900 245 Uninet S.A. de C.V. 10620 993 220 98 TVCABLE BOGOTA 28573 624 584 38 Types of queries are: POCs, o 22047 541 302 14 Types of queries are: POCs, o 11830 487 310 65 Instituto Costarricense de El 11172 441 83 70 Alestra 7738 437 862 30 Telecomunicacoes da Bahia S.A 6471 421 96 31 ENTEL CHILE S.A. 16735 413 124 11 Companhia de Telecomunicacoes 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 8452 1002 188 7 TEDATA 24863 917 91 50 LINKdotNET AS number 20858 324 34 6 EgyNet 3741 275 853 236 The Internet Solution 2018 201 180 142 TENET-1 6713 175 166 16 Itissalat Al-MAGHRIB 33783 152 10 8 EEPAD TISP TELECOM & INTERNET 29571 143 14 6 Ci Telecom Autonomous system 24835 130 46 9 RAYA Telecom - Egypt 5536 122 8 13 Internet Egypt Network 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 4176 3606 308 bellsouth.net, inc. 7303 2232 333 97 Telecom Argentina Stet-France 20115 2184 1476 669 Charter Communications 4323 1911 1049 390 Time Warner Telecom 1785 1726 714 137 AppliedTheory Corporation 4766 1559 6979 424 Korea Telecom (KIX) 17488 1554 140 103 Hathway IP Over Cable Interne 7018 1494 9961 1050 AT&T WorldNet Services 8151 1471 2900 245 Uninet S.A. de C.V. 6478 1383 282 272 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 2232 2135 Telecom Argentina Stet-France 1785 1726 1589 AppliedTheory Corporation 4323 1911 1521 Time Warner Telecom 20115 2184 1515 Charter Communications 17488 1554 1451 Hathway IP Over Cable Interne 8151 1471 1226 Uninet S.A. de C.V. 4766 1559 1135 Korea Telecom (KIX) 6478 1383 1111 AT&T Worldnet Services 11492 1110 1098 Cable One 4755 1227 1087 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 10.29.248.71/32 286 KPNQwest Backbone AS 24.225.128.0/17 36377 PATRIOT MEDIA AND COMMUNICATI 36.126.8.255/8 77 Johns Hopkins University Appl 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.176.0/22 36981 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 43.245.0.0/16 7502 Internetwork Kyoto 43.245.96.0/20 7502 Internetwork Kyoto 43.245.112.0/20 7502 Internetwork Kyoto 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 /8:20 /9:10 /10:24 /11:59 /12:171 /13:354 /14:628 /15:1184 /16:10657 /17:4906 /18:8448 /19:17494 /20:20787 /21:20954 /22:27828 /23:27023 /24:155660 /25:799 /26:1002 /27:528 /28:450 /29:668 /30:811 /31:4 /32:294 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2708 4176 bellsouth.net, inc. 7303 1728 2232 Telecom Argentina Stet-France 17488 1300 1554 Hathway IP Over Cable Interne 4766 1247 1559 Korea Telecom (KIX) 1785 1200 1726 AppliedTheory Corporation 20115 1196 2184 Charter Communications 18566 1043 1062 Covad Communications 11492 1037 1110 Cable One 4323 960 1911 Time Warner Telecom 9583 951 1098 Sify Limited Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:14 8:214 12:2152 13:7 15:21 16:3 17:5 20:35 24:1191 32:151 34:2 38:598 40:97 41:1740 43:1 44:2 47:10 52:6 55:2 56:2 57:38 58:621 59:609 60:460 61:975 62:1158 63:2022 64:3635 65:2402 66:3483 67:1742 68:896 69:2733 70:556 71:186 72:1673 73:2 74:1719 75:182 76:313 77:853 78:571 79:376 80:948 81:852 82:636 83:455 84:642 85:1086 86:381 87:676 88:371 89:1463 90:48 91:2509 92:398 93:1109 94:1160 95:1033 96:166 97:267 98:298 99:28 110:184 111:382 112:118 113:152 114:237 115:293 116:1149 117:556 118:329 119:770 120:123 121:654 122:1238 123:755 124:1034 125:1339 128:225 129:220 130:128 131:416 132:75 133:9 134:182 135:43 136:225 137:160 138:170 139:95 140:444 141:123 142:385 143:349 144:390 145:49 146:389 147:159 148:532 149:301 150:206 151:192 152:210 153:155 154:2 155:272 156:166 157:302 158:112 159:344 160:289 161:164 162:269 163:164 164:275 165:527 166:465 167:361 168:697 169:161 170:503 171:41 172:2 173:381 174:316 175:1 178:1 180:7 182:1 186:135 187:193 188:433 189:684 190:3344 192:5819 193:4381 194:3423 195:2836 196:1093 198:3649 199:3371 200:5448 201:1442 202:7741 203:8326 204:3885 205:2276 206:2465 207:2740 208:3940 209:3417 210:2529 211:1129 212:1646 213:1715 214:132 215:30 216:4353 217:1357 218:408 219:447 220:1120 221:461 222:340 End of report