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Routing Table Report 00:00 GMT Fri 13 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: 265903 Prefixes after maximum aggregation: 129511 Deaggregation factor: 2.05 Unique aggregates announced to Internet: 126799 Total ASes present in the Internet Routing Table: 28508 Prefixes per ASN: 9.33 Origin-only ASes present in the Internet Routing Table: 24717 Origin ASes announcing only one prefix: 12003 Transit ASes present in the Internet Routing Table: 3791 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: 647 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: 837 Number of addresses announced to Internet: 1894454457 Equivalent to 112 /8s, 235 /16s and 20 /24s Percentage of available address space announced: 51.1 Percentage of allocated address space announced: 62.1 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 72.2 Total number of prefixes smaller than registry allocations: 130268
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 61066 Total APNIC prefixes after maximum aggregation: 22094 APNIC Deaggregation factor: 2.76 Prefixes being announced from the APNIC address blocks: 58178 Unique aggregates announced from the APNIC address blocks: 24921 APNIC Region origin ASes present in the Internet Routing Table: 3280 APNIC Prefixes per ASN: 17.74 APNIC Region origin ASes announcing only one prefix: 877 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: 352088480 Equivalent to 20 /8s, 252 /16s and 113 /24s Percentage of available APNIC address space announced: 75.0
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: 121607 Total ARIN prefixes after maximum aggregation: 66468 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 90598 Unique aggregates announced from the ARIN address blocks: 34854 ARIN Region origin ASes present in the Internet Routing Table: 12237 ARIN Prefixes per ASN: 7.40 ARIN Region origin ASes announcing only one prefix: 4747 ARIN Region transit ASes present in the Internet Routing Table: 1206 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 358275590 Equivalent to 21 /8s, 90 /16s and 218 /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: 56729 Total RIPE prefixes after maximum aggregation: 34121 RIPE Deaggregation factor: 1.66 Prefixes being announced from the RIPE address blocks: 52134 Unique aggregates announced from the RIPE address blocks: 34270 RIPE Region origin ASes present in the Internet Routing Table: 11484 RIPE Prefixes per ASN: 4.54 RIPE Region origin ASes announcing only one prefix: 5998 RIPE Region transit ASes present in the Internet Routing Table: 1778 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 28 Number of RIPE addresses announced to Internet: 361054272 Equivalent to 21 /8s, 133 /16s and 64 /24s Percentage of available RIPE address space announced: 82.8
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: 21958 Total LACNIC prefixes after maximum aggregation: 5105 LACNIC Deaggregation factor: 4.30 Prefixes being announced from the LACNIC address blocks: 20190 Unique aggregates announced from the LACNIC address blocks: 10359 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: 304 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: 52368268 Equivalent to 3 /8s, 31 /16s and 19 /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: 3903 Total AfriNIC prefixes after maximum aggregation: 1205 AfriNIC Deaggregation factor: 3.24 Prefixes being announced from the AfriNIC address blocks: 4176 Unique aggregates announced from the AfriNIC address blocks: 1871 AfriNIC Region origin ASes present in the Internet Routing Table: 245 AfriNIC Prefixes per ASN: 17.04 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: 5.0 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 12316416 Equivalent to 0 /8s, 187 /16s and 239 /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 2064 3134 41 China Education and Research 4755 1642 387 88 Videsh Sanchar Nigam Ltd. Aut 9498 1179 550 62 BHARTI BT INTERNET LTD. 17488 1120 78 76 Hathway IP Over Cable Interne 9583 1117 111 412 Sify Limited 4134 836 12917 322 CHINANET-BACKBONE 23577 831 33 738 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 2207 3104 182 bellsouth.net, inc. 4323 1469 1043 377 Time Warner Telecom 2386 1455 645 886 AT&T Data Communications Serv 3549 1452 540 209 Global Crossing 7018 1367 9897 972 AT&T WorldNet Services 11492 1228 148 12 Cable One 1803 1201 7 948 SPRINT 1785 1069 510 104 AppliedTheory Corporation 18566 1044 296 10 Covad Communications 20115 1041 1063 565 Charter 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 3292 416 1773 372 TDC Tele Danmark 8452 347 188 7 TEDATA 3301 338 1460 308 TeliaNet Sweden 8866 319 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 270 45 11 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 1243 2464 226 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 410 118 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 475 61 30 LINKdotNET AS number 3741 282 853 223 The Internet Solution 20858 220 34 3 EgyNet 2018 192 189 82 Tertiary Education Network 5713 163 558 99 Telkom SA Ltd 6713 144 135 11 Itissalat Al-MAGHRIB 33783 134 10 12 EEPAD TISP TELECOM & INTERNET 5536 121 8 16 Internet Egypt Network 29571 102 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 2207 3104 182 bellsouth.net, inc. 4538 2064 3134 41 China Education and Research 7303 1644 229 66 Telecom Argentina Stet-France 4755 1642 387 88 Videsh Sanchar Nigam Ltd. Aut 4323 1469 1043 377 Time Warner Telecom 2386 1455 645 886 AT&T Data Communications Serv 3549 1452 540 209 Global Crossing 7018 1367 9897 972 AT&T WorldNet Services 8151 1243 2464 226 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 2064 2023 China Education and Research 7303 1644 1578 Telecom Argentina Stet-France 4755 1642 1554 Videsh Sanchar Nigam Ltd. Aut 3549 1452 1243 Global Crossing 11492 1228 1216 Cable One 9498 1179 1117 BHARTI BT INTERNET LTD. 4323 1469 1092 Time Warner Telecom 17488 1120 1044 Hathway IP Over Cable Interne 18566 1044 1034 Covad Communications 8151 1243 1017 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 /15:1035 /16:10031 /17:4390 /18:7397 /19:15630 /20:18409 /21:17854 /22:22950 /23:23518 /24:139796 /25:878 /26:1111 /27:369 /28:712 /29:354 /30:211 /31:0 /32:224
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 1355 2207 bellsouth.net, inc. 11492 1210 1228 Cable One 1803 1179 1201 SPRINT 2386 1153 1455 AT&T Data Communications Serv 7303 1148 1644 Telecom Argentina Stet-France 3549 1070 1452 Global Crossing 18566 1025 1044 Covad Communications 4755 991 1642 Videsh Sanchar Nigam Ltd. Aut 4538 978 2064 China Education and Research 9583 971 1117 Sify Limited
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:114 12:2071 13:1 14:1 15:22 16:3 17:5 18:13 20:37 24:1075 25:1 32:199 33:3 38:439 40:93 41:640 43:1 44:2 47:12 52:3 55:4 56:3 57:46 58:521 59:505 60:442 61:1008 62:1137 63:1961 64:3566 65:2418 66:3775 67:1223 68:694 69:2275 70:683 71:126 72:1817 73:5 74:1007 75:219 76:315 77:730 78:705 79:194 80:927 81:851 82:581 83:400 84:576 85:1013 86:423 87:705 88:315 89:1270 90:12 91:1278 92:186 93:731 94:16 96:35 97:22 98:200 99:3 100:1 111:1 114:31 116:701 117:338 118:144 119:463 120:60 121:539 122:788 123:351 124:848 125:1149 128:330 129:207 130:130 131:403 132:67 133:9 134:177 135:33 136:218 137:91 138:151 139:85 140:498 141:99 142:403 143:330 144:355 145:51 146:375 147:154 148:508 149:195 150:130 151:192 152:144 153:143 154:11 155:273 156:174 157:277 158:168 159:239 160:266 161:114 162:232 163:184 164:530 165:458 166:332 167:329 168:614 169:138 170:448 171:29 172:11 189:214 190:2274 192:5811 193:4174 194:3248 195:2535 196:1072 198:3755 199:3282 200:5927 201:1609 202:8175 203:7944 204:3993 205:2137 206:2501 207:2819 208:3531 209:3541 210:2907 211:1178 212:1401 213:1679 214:163 215:49 216:4461 217:1206 218:397 219:501 220:1084 221:471 222:371
End of report
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