Routing Table Report 00:00 GMT Wed 26 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: 301276 Prefixes after maximum aggregation: 140064 Deaggregation factor: 2.15 Unique aggregates announced to Internet: 146774 Total ASes present in the Internet Routing Table: 32111 Prefixes per ASN: 9.38 Origin-only ASes present in the Internet Routing Table: 27795 Origin ASes announcing only one prefix: 13598 Transit ASes present in the Internet Routing Table: 4316 Transit-only ASes present in the Internet Routing Table: 102 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: 488 Unregistered ASNs in the Routing Table: 143 Number of 32-bit ASNs allocated by the RIRs: 242 Prefixes from 32-bit ASNs in the Routing Table: 98 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 334 Number of addresses announced to Internet: 2094942346 Equivalent to 124 /8s, 222 /16s and 72 /24s Percentage of available address space announced: 56.5 Percentage of allocated address space announced: 64.7 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: 146009 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 71221 Total APNIC prefixes after maximum aggregation: 25133 APNIC Deaggregation factor: 2.83 Prefixes being announced from the APNIC address blocks: 70694 Unique aggregates announced from the APNIC address blocks: 31615 APNIC Region origin ASes present in the Internet Routing Table: 3749 APNIC Prefixes per ASN: 18.86 APNIC Region origin ASes announcing only one prefix: 1028 APNIC Region transit ASes present in the Internet Routing Table: 576 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 486230208 Equivalent to 28 /8s, 251 /16s and 72 /24s Percentage of available APNIC address space announced: 82.8 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: 126659 Total ARIN prefixes after maximum aggregation: 66836 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 126967 Unique aggregates announced from the ARIN address blocks: 52518 ARIN Region origin ASes present in the Internet Routing Table: 13235 ARIN Prefixes per ASN: 9.59 ARIN Region origin ASes announcing only one prefix: 5121 ARIN Region transit ASes present in the Internet Routing Table: 1350 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 1013249749 Equivalent to 60 /8s, 100 /16s and 246 /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: 69182 Total RIPE prefixes after maximum aggregation: 40091 RIPE Deaggregation factor: 1.73 Prefixes being announced from the RIPE address blocks: 69057 Unique aggregates announced from the RIPE address blocks: 45716 RIPE Region origin ASes present in the Internet Routing Table: 13447 RIPE Prefixes per ASN: 5.14 RIPE Region origin ASes announcing only one prefix: 6997 RIPE Region transit ASes present in the Internet Routing Table: 2068 Average RIPE Region AS path length visible: 5.2 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 500281896 Equivalent to 29 /8s, 209 /16s and 178 /24s Percentage of available RIPE address space announced: 99.4 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: 27609 Total LACNIC prefixes after maximum aggregation: 6193 LACNIC Deaggregation factor: 4.46 Prefixes being announced from the LACNIC address blocks: 27577 Unique aggregates announced from the LACNIC address blocks: 14025 LACNIC Region origin ASes present in the Internet Routing Table: 1170 LACNIC Prefixes per ASN: 23.57 LACNIC Region origin ASes announcing only one prefix: 366 LACNIC Region transit ASes present in the Internet Routing Table: 197 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 30 Number of LACNIC addresses announced to Internet: 73420488 Equivalent to 4 /8s, 96 /16s and 78 /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: 6224 Total AfriNIC prefixes after maximum aggregation: 1538 AfriNIC Deaggregation factor: 4.05 Prefixes being announced from the AfriNIC address blocks: 6647 Unique aggregates announced from the AfriNIC address blocks: 2634 AfriNIC Region origin ASes present in the Internet Routing Table: 310 AfriNIC Prefixes per ASN: 21.44 AfriNIC Region origin ASes announcing only one prefix: 86 AfriNIC Region transit ASes present in the Internet Routing Table: 66 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 20194048 Equivalent to 1 /8s, 52 /16s and 35 /24s Percentage of available AfriNIC address space announced: 60.2 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 1560 6981 425 Korea Telecom (KIX) 17488 1554 140 103 Hathway IP Over Cable Interne 4755 1227 292 140 Videsh Sanchar Nigam Ltd. Aut 9583 1100 86 531 Sify Limited 18101 951 202 32 Reliance Infocom Ltd Internet 4134 945 18167 389 CHINANET-BACKBONE 23577 933 34 774 KRNIC 7545 819 198 102 TPG Internet Pty Ltd 9829 807 620 16 BSNL National Internet Backbo 24560 739 255 167 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 3608 309 bellsouth.net, inc. 20115 2185 1476 670 Charter Communications 4323 1915 1049 390 Time Warner Telecom 1785 1729 714 137 AppliedTheory Corporation 7018 1498 5866 1053 AT&T WorldNet Services 6478 1384 282 265 AT&T Worldnet Services 2386 1288 642 942 AT&T Data Communications Serv 3356 1217 10947 437 Level 3 Communications, LLC 11492 1112 208 12 Cable One 22773 1090 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 702 627 1845 344 UUNET - Commercial IP service 30890 485 92 198 Evolva Telecom 12479 471 578 6 Uni2 Autonomous System 3292 470 1905 397 TDC Tele Danmark 35805 380 40 5 United Telecom AS 3301 374 1412 309 TeliaNet Sweden 9198 360 138 12 Kazakhtelecom Corporate Sales 3320 351 7067 302 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 2257 334 98 Telecom Argentina Stet-France 8151 1468 2899 245 Uninet S.A. de C.V. 10620 998 222 100 TVCABLE BOGOTA 28573 655 595 54 Types of queries are: POCs, o 22047 541 302 14 Types of queries are: POCs, o 11830 476 310 65 Instituto Costarricense de El 11172 442 83 70 Alestra 7738 438 862 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 915 91 50 LINKdotNET AS number 20858 320 34 6 EgyNet 3741 271 852 233 The Internet Solution 2018 201 180 142 TENET-1 6713 175 166 16 Itissalat Al-MAGHRIB 33783 144 9 15 EEPAD TISP TELECOM & INTERNET 29571 143 14 6 Ci Telecom Autonomous system 24835 130 46 9 RAYA Telecom - Egypt 33776 123 7 11 Starcomms Nigeria Limited 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 3608 309 bellsouth.net, inc. 7303 2257 334 98 Telecom Argentina Stet-France 20115 2185 1476 670 Charter Communications 4323 1915 1049 390 Time Warner Telecom 1785 1729 714 137 AppliedTheory Corporation 4766 1560 6981 425 Korea Telecom (KIX) 17488 1554 140 103 Hathway IP Over Cable Interne 7018 1498 5866 1053 AT&T WorldNet Services 8151 1468 2899 245 Uninet S.A. de C.V. 6478 1384 282 265 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 2257 2159 Telecom Argentina Stet-France 1785 1729 1592 AppliedTheory Corporation 4323 1915 1525 Time Warner Telecom 20115 2185 1515 Charter Communications 17488 1554 1451 Hathway IP Over Cable Interne 8151 1468 1223 Uninet S.A. de C.V. 4766 1560 1135 Korea Telecom (KIX) 6478 1384 1119 AT&T Worldnet Services 11492 1112 1100 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 /10:25 /11:59 /12:171 /13:354 /14:629 /15:1185 /16:10664 /17:4907 /18:8456 /19:17490 /20:20805 /21:21004 /22:27875 /23:27072 /24:155980 /25:802 /26:1006 /27:527 /28:449 /29:667 /30:816 /31:4 /32:299 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2709 4176 bellsouth.net, inc. 7303 1754 2257 Telecom Argentina Stet-France 17488 1300 1554 Hathway IP Over Cable Interne 4766 1247 1560 Korea Telecom (KIX) 1785 1201 1729 AppliedTheory Corporation 20115 1197 2185 Charter Communications 18566 1043 1062 Covad Communications 11492 1039 1112 Cable One 4323 964 1915 Time Warner Telecom 9583 952 1100 Sify Limited Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:14 8:213 12:2150 13:7 15:21 16:3 17:5 20:35 24:1190 32:151 34:2 38:595 40:97 41:1759 43:1 44:2 47:8 52:6 55:2 56:2 57:38 58:620 59:610 60:460 61:975 62:1167 63:2029 64:3670 65:2407 66:3482 67:1738 68:903 69:2757 70:554 71:186 72:1675 73:2 74:1728 75:181 76:317 77:851 78:571 79:378 80:936 81:852 82:635 83:444 84:638 85:1090 86:381 87:674 88:372 89:1466 90:47 91:2480 92:399 93:1115 94:1195 95:1162 96:166 97:269 98:300 99:28 110:185 111:384 112:126 113:148 114:238 115:304 116:1146 117:570 118:346 119:764 120:120 121:654 122:1244 123:749 124:1043 125:1343 128:225 129:220 130:129 131:415 132:75 133:9 134:173 135:42 136:225 137:161 138:170 139:97 140:444 141:124 142:384 143:343 144:394 145:49 146:389 147:159 148:530 149:300 150:206 151:192 152:210 153:155 154:2 155:270 156:167 157:301 158:114 159:345 160:290 161:164 162:270 163:164 164:276 165:530 166:469 167:363 168:701 169:161 170:505 171:41 172:2 173:381 174:318 175:1 178:1 180:7 182:1 186:133 187:198 188:584 189:688 190:3325 192:5822 193:4374 194:3416 195:2859 196:1123 198:3560 199:3371 200:5447 201:1438 202:7752 203:8280 204:3911 205:2283 206:2404 207:2749 208:3945 209:3414 210:2538 211:1133 212:1646 213:1711 214:127 215:29 216:4359 217:1355 218:418 219:445 220:1115 221:461 222:328 End of report