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Routing Table Report 00:00 GMT Wed 11 Jun, 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: 264933 Prefixes after maximum aggregation: 129269 Deaggregation factor: 2.05 Unique aggregates announced to Internet: 126297 Total ASes present in the Internet Routing Table: 28452 Prefixes per ASN: 9.31 Origin-only ASes present in the Internet Routing Table: 24681 Origin ASes announcing only one prefix: 11972 Transit ASes present in the Internet Routing Table: 3771 Transit-only ASes present in the Internet Routing Table: 83 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 28 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 636 Unregistered ASNs in the Routing Table: 240 Number of 32-bit ASNs allocated by the RIRs: 48 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 780 Number of addresses announced to Internet: 1893554608 Equivalent to 112 /8s, 221 /16s and 89 /24s Percentage of available address space announced: 51.1 Percentage of allocated address space announced: 62.0 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 72.1 Total number of prefixes smaller than registry allocations: 129633
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 60939 Total APNIC prefixes after maximum aggregation: 22087 APNIC Deaggregation factor: 2.76 Prefixes being announced from the APNIC address blocks: 58056 Unique aggregates announced from the APNIC address blocks: 24905 APNIC Region origin ASes present in the Internet Routing Table: 3272 APNIC Prefixes per ASN: 17.74 APNIC Region origin ASes announcing only one prefix: 871 APNIC Region transit ASes present in the Internet Routing Table: 523 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 27 Number of APNIC addresses announced to Internet: 352006560 Equivalent to 20 /8s, 251 /16s and 49 /24s Percentage of available APNIC address space announced: 74.9
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: 121102 Total ARIN prefixes after maximum aggregation: 66352 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 90329 Unique aggregates announced from the ARIN address blocks: 34790 ARIN Region origin ASes present in the Internet Routing Table: 12223 ARIN Prefixes per ASN: 7.39 ARIN Region origin ASes announcing only one prefix: 4744 ARIN Region transit ASes present in the Internet Routing Table: 1195 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 358116097 Equivalent to 21 /8s, 88 /16s and 107 /24s Percentage of available ARIN address space announced: 73.6
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: 56328 Total RIPE prefixes after maximum aggregation: 34004 RIPE Deaggregation factor: 1.66 Prefixes being announced from the RIPE address blocks: 51670 Unique aggregates announced from the RIPE address blocks: 33900 RIPE Region origin ASes present in the Internet Routing Table: 11452 RIPE Prefixes per ASN: 4.51 RIPE Region origin ASes announcing only one prefix: 5979 RIPE Region transit ASes present in the Internet Routing Table: 1767 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 360838464 Equivalent to 21 /8s, 129 /16s and 245 /24s Percentage of available RIPE address space announced: 82.7
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: 21965 Total LACNIC prefixes after maximum aggregation: 5103 LACNIC Deaggregation factor: 4.30 Prefixes being announced from the LACNIC address blocks: 20190 Unique aggregates announced from the LACNIC address blocks: 10364 LACNIC Region origin ASes present in the Internet Routing Table: 955 LACNIC Prefixes per ASN: 21.14 LACNIC Region origin ASes announcing only one prefix: 301 LACNIC Region transit ASes present in the Internet Routing Table: 161 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 28 Number of LACNIC addresses announced to Internet: 52372104 Equivalent to 3 /8s, 31 /16s and 34 /24s Percentage of available LACNIC address space announced: 52.0
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: 3968 Total AfriNIC prefixes after maximum aggregation: 1204 AfriNIC Deaggregation factor: 3.30 Prefixes being announced from the AfriNIC address blocks: 4239 Unique aggregates announced from the AfriNIC address blocks: 1861 AfriNIC Region origin ASes present in the Internet Routing Table: 243 AfriNIC Prefixes per ASN: 17.44 AfriNIC Region origin ASes announcing only one prefix: 77 AfriNIC Region transit ASes present in the Internet Routing Table: 49 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC addresses announced to Internet: 12311552 Equivalent to 0 /8s, 187 /16s and 220 /24s Percentage of available AfriNIC address space announced: 36.7
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 2061 3134 41 China Education and Research 4755 1641 387 88 Videsh Sanchar Nigam Ltd. Aut 9498 1178 550 62 BHARTI BT INTERNET LTD. 9583 1116 111 411 Sify Limited 17488 1099 72 73 Hathway IP Over Cable Interne 4134 836 12917 322 CHINANET-BACKBONE 23577 834 33 741 Korea Telecom (ATM-MPLS) 4766 815 6005 344 Korea Telecom (KIX) 18101 692 167 36 Reliance Infocom Ltd Internet 9829 598 450 12 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 2208 3104 182 bellsouth.net, inc. 4323 1467 1043 377 Time Warner Telecom 3549 1448 540 208 Global Crossing 2386 1440 644 879 AT&T Data Communications Serv 7018 1364 9896 969 AT&T WorldNet Services 11492 1228 148 12 Cable One 1803 1200 7 947 SPRINT 18566 1044 296 10 Covad Communications 20115 1041 1063 565 Charter Communications 1785 1036 510 103 AppliedTheory Corporation
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 3292 414 1772 370 TDC Tele Danmark 8452 347 188 7 TEDATA 3301 338 1460 308 TeliaNet Sweden 8866 317 77 21 Bulgarian Telecommunication C 3320 316 7045 265 Deutsche Telekom AG 5462 298 666 27 Telewest Broadband 3215 285 2742 89 France Telecom Transpac 8551 283 269 38 Bezeq International 680 274 2047 264 DFN-IP service G-WiN 9155 271 45 12 QualityNet AS number
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 1644 229 66 Telecom Argentina Stet-France 8151 1240 2464 227 UniNet S.A. de C.V. 11830 603 299 9 Instituto Costarricense de El 22047 565 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 414 85 47 ENTEL CHILE S.A. 11172 412 118 69 Servicios Alestra S.A de C.V 10620 392 100 71 TVCABLE BOGOTA 14117 375 23 9 Telefonica del Sur S.A. 16735 367 92 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 24863 472 61 28 LINKdotNET AS number 20858 296 34 3 EgyNet 3741 282 853 223 The Internet Solution 2018 192 189 82 Tertiary Education Network 5713 163 558 99 Telkom SA Ltd 6713 145 136 12 Itissalat Al-MAGHRIB 33783 134 10 12 EEPAD TISP TELECOM & INTERNET 5536 121 8 16 Internet Egypt Network 29571 103 13 8 Ci Telecom Autonomous system 33776 100 6 3 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 2208 3104 182 bellsouth.net, inc. 4538 2061 3134 41 China Education and Research 7303 1644 229 66 Telecom Argentina Stet-France 4755 1641 387 88 Videsh Sanchar Nigam Ltd. Aut 4323 1467 1043 377 Time Warner Telecom 3549 1448 540 208 Global Crossing 2386 1440 644 879 AT&T Data Communications Serv 7018 1364 9896 969 AT&T WorldNet Services 8151 1240 2464 227 UniNet S.A. de C.V. 11492 1228 148 12 Cable One
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4538 2061 2020 China Education and Research 7303 1644 1578 Telecom Argentina Stet-France 4755 1641 1553 Videsh Sanchar Nigam Ltd. Aut 3549 1448 1240 Global Crossing 11492 1228 1216 Cable One 9498 1178 1116 BHARTI BT INTERNET LTD. 4323 1467 1090 Time Warner Telecom 18566 1044 1034 Covad Communications 17488 1099 1026 Hathway IP Over Cable Interne 8151 1240 1013 UniNet S.A. de C.V.
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 12.0.252.0/23 701 UUNET Technologies, 22492 UNALLOCATED 12.2.46.0/24 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 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 27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 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 10.29.246.47/32 286 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 172.30.254.0/24 4771 Netgate
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 24.51.159.0/24 7843 Adelphia Corp. 24.54.224.0/19 20001 HoldCo LLC - Road Runner 24.75.160.0/19 7843 Adelphia Corp. 24.75.192.0/18 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
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 /10:16 /11:43 /12:143 /13:284 /14:519 /15:1032 /16:10019 /17:4385 /18:7390 /19:15616 /20:18376 /21:17784 /22:22864 /23:23407 /24:139166 /25:881 /26:1110 /27:370 /28:712 /29:354 /30:211 /31:0 /32:222
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 1356 2208 bellsouth.net, inc. 11492 1210 1228 Cable One 1803 1178 1200 SPRINT 7303 1148 1644 Telecom Argentina Stet-France 2386 1138 1440 AT&T Data Communications Serv 3549 1067 1448 Global Crossing 18566 1025 1044 Covad Communications 4755 990 1641 Videsh Sanchar Nigam Ltd. Aut 4538 975 2061 China Education and Research 9583 970 1116 Sify Limited
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:113 12:2066 13:1 14:1 15:22 16:3 17:5 18:13 20:37 24:1073 25:1 32:199 33:3 38:439 40:93 41:636 43:1 44:2 47:12 52:3 55:4 56:3 57:46 58:522 59:509 60:445 61:1012 62:1212 63:1961 64:3564 65:2415 66:3752 67:1219 68:694 69:2266 70:682 71:126 72:1816 73:5 74:1000 75:217 76:314 77:726 78:702 79:192 80:927 81:867 82:582 83:400 84:577 85:1007 86:422 87:694 88:315 89:1251 90:12 91:1282 92:185 93:514 94:16 96:33 97:22 98:197 99:3 111:1 114:20 116:676 117:338 118:143 119:450 120:58 121:535 122:789 123:344 124:844 125:1146 128:327 129:207 130:131 131:403 132:67 133:9 134:177 135:33 136:218 137:91 138:151 139:86 140:491 141:99 142:403 143:332 144:350 145:51 146:376 147:154 148:508 149:193 150:130 151:193 152:140 153:135 154:10 155:249 156:174 157:277 158:168 159:238 160:257 161:114 162:233 163:184 164:530 165:458 166:331 167:329 168:617 169:131 170:448 171:29 172:11 189:208 190:2257 192:5801 193:4098 194:3221 195:2515 196:1076 198:3751 199:3272 200:5962 201:1609 202:8153 203:7923 204:3986 205:2123 206:2493 207:2817 208:3525 209:3538 210:2900 211:1185 212:1404 213:1638 214:164 215:49 216:4447 217:1199 218:396 219:506 220:1082 221:470 222:369
End of report
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