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Routing Table Report 00:00 GMT Fri 05 Sep, 2008
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: 284249 Prefixes after maximum aggregation: 130865 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 129819 Total ASes present in the Internet Routing Table: 29177 Prefixes per ASN: 9.74 Origin-only ASes present in the Internet Routing Table: 25274 Origin ASes announcing only one prefix: 12265 Transit ASes present in the Internet Routing Table: 3903 Transit-only ASes present in the Internet Routing Table: 92 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 27 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 601 Unregistered ASNs in the Routing Table: 232 Number of 32-bit ASNs allocated by the RIRs: 59 Prefixes from 32-bit ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 773 Number of addresses announced to Internet: 1915554614 Equivalent to 114 /8s, 45 /16s and 11 /24s Percentage of available address space announced: 51.7 Percentage of allocated address space announced: 62.8 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.4 Total number of prefixes smaller than registry allocations: 136186
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 65155 Total APNIC prefixes after maximum aggregation: 22656 APNIC Deaggregation factor: 2.88 Prefixes being announced from the APNIC address blocks: 62178 Unique aggregates announced from the APNIC address blocks: 25934 APNIC Region origin ASes present in the Internet Routing Table: 3366 APNIC Prefixes per ASN: 18.47 APNIC Region origin ASes announcing only one prefix: 907 APNIC Region transit ASes present in the Internet Routing Table: 530 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 375496608 Equivalent to 22 /8s, 97 /16s and 159 /24s Percentage of available APNIC address space announced: 79.9
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, 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: 127748 Total ARIN prefixes after maximum aggregation: 66101 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 95424 Unique aggregates announced from the ARIN address blocks: 35111 ARIN Region origin ASes present in the Internet Routing Table: 12444 ARIN Prefixes per ASN: 7.67 ARIN Region origin ASes announcing only one prefix: 4771 ARIN Region transit ASes present in the Internet Routing Table: 1249 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 362687105 Equivalent to 21 /8s, 158 /16s and 42 /24s Percentage of available ARIN address space announced: 74.5
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, 173/8, 174/8, 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: 62588 Total RIPE prefixes after maximum aggregation: 35080 RIPE Deaggregation factor: 1.78 Prefixes being announced from the RIPE address blocks: 58152 Unique aggregates announced from the RIPE address blocks: 35394 RIPE Region origin ASes present in the Internet Routing Table: 11817 RIPE Prefixes per ASN: 4.92 RIPE Region origin ASes announcing only one prefix: 6181 RIPE Region transit ASes present in the Internet Routing Table: 1831 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 370472448 Equivalent to 22 /8s, 20 /16s and 246 /24s Percentage of available RIPE address space announced: 84.9
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, 47104-48127 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, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 24077 Total LACNIC prefixes after maximum aggregation: 5302 LACNIC Deaggregation factor: 4.54 Prefixes being announced from the LACNIC address blocks: 22315 Unique aggregates announced from the LACNIC address blocks: 10856 LACNIC Region origin ASes present in the Internet Routing Table: 995 LACNIC Prefixes per ASN: 22.43 LACNIC Region origin ASes announcing only one prefix: 319 LACNIC Region transit ASes present in the Internet Routing Table: 170 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 27 Number of LACNIC addresses announced to Internet: 54945550 Equivalent to 3 /8s, 70 /16s and 103 /24s Percentage of available LACNIC address space announced: 54.6
LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4081 Total AfriNIC prefixes after maximum aggregation: 1255 AfriNIC Deaggregation factor: 3.25 Prefixes being announced from the AfriNIC address blocks: 4399 Unique aggregates announced from the AfriNIC address blocks: 1961 AfriNIC Region origin ASes present in the Internet Routing Table: 256 AfriNIC Prefixes per ASN: 17.18 AfriNIC Region origin ASes announcing only one prefix: 87 AfriNIC Region transit ASes present in the Internet Routing Table: 55 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC addresses announced to Internet: 12609280 Equivalent to 0 /8s, 192 /16s and 103 /24s Percentage of available AfriNIC address space announced: 37.6
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 4538 3307 3214 44 China Education and Research 4755 1725 578 92 Videsh Sanchar Nigam Ltd. Aut 17488 1371 90 101 Hathway IP Over Cable Interne 4134 1221 13651 345 CHINANET-BACKBONE 9583 1151 89 492 Sify Limited 4766 843 6407 358 Korea Telecom (KIX) 23577 824 33 729 Korea Telecom (ATM-MPLS) 4780 718 353 61 Digital United Inc. 18101 715 167 29 Reliance Infocom Ltd Internet 9498 682 291 53 BHARTI BT INTERNET 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 4368 3384 333 bellsouth.net, inc. 6298 1973 315 759 Cox Communicatons 1785 1649 710 154 AppliedTheory Corporation 2386 1559 677 906 AT&T Data Communications Serv 20115 1532 1234 701 Charter Communications 4323 1502 1071 374 Time Warner Telecom 3549 1494 539 214 Global Crossing 7018 1444 5775 960 AT&T WorldNet Services 19262 1393 3517 163 Verizon Global Networks 1803 1293 8 1022 SPRINT
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 3352 777 2044 43 Ibernet, Internet Access Netw 3269 678 3389 73 TELECOM ITALIA 3320 616 7063 272 Deutsche Telekom AG 3215 574 2756 106 France Telecom Transpac 3292 505 1776 374 TDC Tele Danmark 9121 399 1445 27 TTnet Autonomous System 3301 388 1444 305 TeliaNet Sweden 5462 355 666 26 Telewest Broadband 1257 349 1131 204 SWIPnet Swedish IP Network 8452 335 188 11 TEDATA
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 1721 239 66 Telecom Argentina Stet-France 8151 1662 2607 225 UniNet S.A. de C.V. 11830 665 299 9 Instituto Costarricense de El 22047 587 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 424 85 48 ENTEL CHILE S.A. 10620 422 103 62 TVCABLE BOGOTA 16735 411 92 11 Companhia de Telecomunicacoes 11172 409 118 72 Servicios Alestra S.A de C.V 28573 370 441 29 NET Servicos de Comunicao S.A
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 515 65 36 LINKdotNET AS number 20858 402 34 3 EgyNet 3741 264 855 223 The Internet Solution 2018 233 214 138 Tertiary Education Network 6713 146 135 11 Itissalat Al-MAGHRIB 33783 136 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 33776 119 6 3 Starcomms Nigeria Limited 5713 118 555 68 Telkom SA Ltd 29571 107 13 8 Ci Telecom Autonomous system
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 4368 3384 333 bellsouth.net, inc. 4538 3307 3214 44 China Education and Research 6298 1973 315 759 Cox Communicatons 4755 1725 578 92 Videsh Sanchar Nigam Ltd. Aut 7303 1721 239 66 Telecom Argentina Stet-France 8151 1662 2607 225 UniNet S.A. de C.V. 1785 1649 710 154 AppliedTheory Corporation 2386 1559 677 906 AT&T Data Communications Serv 20115 1532 1234 701 Charter Communications 4323 1502 1071 374 Time Warner Telecom
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4538 3307 3263 China Education and Research 7303 1721 1655 Telecom Argentina Stet-France 4755 1725 1633 Videsh Sanchar Nigam Ltd. Aut 1785 1649 1495 AppliedTheory Corporation 8151 1662 1437 UniNet S.A. de C.V. 3549 1494 1280 Global Crossing 17488 1371 1270 Hathway IP Over Cable Interne 19262 1393 1230 Verizon Global Networks 6298 1973 1214 Cox Communicatons 11492 1213 1195 Cable One
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 22492 UNALLOCATED 12.2.46.0/24 1239 Sprint 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications 26973 UNALLOCATED 12.39.152.0/24 1239 Sprint 26973 UNALLOCATED 12.39.154.0/23 1239 Sprint
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 10.29.246.47/32 286 KPNQwest Backbone AS 10.29.246.48/32 286 KPNQwest Backbone AS 10.29.246.49/32 286 KPNQwest Backbone AS 10.29.248.65/32 286 KPNQwest Backbone AS 10.29.248.71/32 286 KPNQwest Backbone AS 192.168.192.0/21 7497 Computer Network Information
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 24.75.160.0/19 7843 Adelphia Corp. 24.142.40.0/21 7018 AT&T WorldNet Services 24.142.160.0/19 7018 AT&T WorldNet Services 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio 63.143.71.0/24 701 UUNET Technologies, Inc. 63.143.115.0/24 701 UUNET Technologies, Inc. 63.143.251.0/24 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 /8:20 /9:9 /10:17 /11:46 /12:147 /13:297 /14:534 /15:1073 /16:10157 /17:4421 /18:7704 /19:26123 /20:19146 /21:18603 /22:23926 /23:24736 /24:143543 /25:794 /26:1019 /27:369 /28:753 /29:377 /30:225 /31:0 /32:210
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2848 4368 bellsouth.net, inc. 6298 1948 1973 Cox Communicatons 4538 1762 3307 China Education and Research 1803 1271 1293 SPRINT 2386 1237 1559 AT&T Data Communications Serv 7303 1223 1721 Telecom Argentina Stet-France 11492 1194 1213 Cable One 17488 1179 1371 Hathway IP Over Cable Interne 1785 1121 1649 AppliedTheory Corporation 3549 1097 1494 Global Crossing
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:137 12:2163 13:2 14:1 15:22 16:3 17:5 18:13 20:37 24:1074 32:197 38:492 40:92 41:713 43:1 44:2 47:12 52:3 55:3 56:3 57:46 58:559 59:589 60:450 61:975 62:1301 63:1976 64:3396 65:2354 66:3483 67:1231 68:772 69:2302 70:845 71:135 72:2025 73:6 74:1132 75:172 76:289 77:786 78:797 79:315 80:961 81:842 82:585 83:375 84:569 85:971 86:399 87:720 88:337 89:1324 90:29 91:1438 92:253 93:859 94:134 96:62 97:67 98:321 99:7 114:93 115:42 116:1025 117:371 118:240 119:484 120:88 121:605 122:839 123:399 124:856 125:1244 128:356 129:204 130:134 131:411 132:70 133:9 134:178 135:34 136:223 137:93 138:141 139:101 140:507 141:102 142:407 143:293 144:362 145:51 146:383 147:157 148:514 149:294 150:128 151:181 152:148 153:143 154:10 155:283 156:175 157:299 158:163 159:301 160:272 161:129 162:255 163:155 164:517 165:502 166:383 167:332 168:629 169:143 170:456 171:33 172:10 173:33 188:1 189:634 190:2378 192:5816 193:4252 194:3350 195:2658 196:993 198:3733 199:3308 200:5960 201:1680 202:8198 203:8086 204:3942 205:2156 206:2426 207:2751 208:3679 209:3395 210:2982 211:1253 212:1433 213:1652 214:180 215:50 216:4350 217:1222 218:405 219:524 220:1062 221:427 222:445
End of report
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