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Routing Table Report 00:00 GMT Sat 14 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: 264066 Prefixes after maximum aggregation: 129535 Deaggregation factor: 2.04 Unique aggregates announced to Internet: 126909 Total ASes present in the Internet Routing Table: 28516 Prefixes per ASN: 9.26 Origin-only ASes present in the Internet Routing Table: 24743 Origin ASes announcing only one prefix: 12000 Transit ASes present in the Internet Routing Table: 3773 Transit-only ASes present in the Internet Routing Table: 86 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 28 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 640 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: 796 Number of addresses announced to Internet: 1878019508 Equivalent to 111 /8s, 240 /16s and 77 /24s Percentage of available address space announced: 50.7 Percentage of allocated address space announced: 61.5 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: 129466
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 59094 Total APNIC prefixes after maximum aggregation: 22140 APNIC Deaggregation factor: 2.67 Prefixes being announced from the APNIC address blocks: 56207 Unique aggregates announced from the APNIC address blocks: 25029 APNIC Region origin ASes present in the Internet Routing Table: 3279 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 884 APNIC Region transit ASes present in the Internet Routing Table: 524 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 27 Number of APNIC addresses announced to Internet: 352286880 Equivalent to 20 /8s, 255 /16s and 120 /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: 121712 Total ARIN prefixes after maximum aggregation: 66408 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 90699 Unique aggregates announced from the ARIN address blocks: 34815 ARIN Region origin ASes present in the Internet Routing Table: 12237 ARIN Prefixes per ASN: 7.41 ARIN Region origin ASes announcing only one prefix: 4737 ARIN Region transit ASes present in the Internet Routing Table: 1192 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 358464001 Equivalent to 21 /8s, 93 /16s and 186 /24s Percentage of available ARIN address space announced: 73.7
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: 56736 Total RIPE prefixes after maximum aggregation: 34136 RIPE Deaggregation factor: 1.66 Prefixes being announced from the RIPE address blocks: 52165 Unique aggregates announced from the RIPE address blocks: 34330 RIPE Region origin ASes present in the Internet Routing Table: 11490 RIPE Prefixes per ASN: 4.54 RIPE Region origin ASes announcing only one prefix: 5999 RIPE Region transit ASes present in the Internet Routing Table: 1776 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 361137216 Equivalent to 21 /8s, 134 /16s and 132 /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: 21986 Total LACNIC prefixes after maximum aggregation: 5124 LACNIC Deaggregation factor: 4.29 Prefixes being announced from the LACNIC address blocks: 20222 Unique aggregates announced from the LACNIC address blocks: 10373 LACNIC Region origin ASes present in the Internet Routing Table: 955 LACNIC Prefixes per ASN: 21.17 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: 52375948 Equivalent to 3 /8s, 31 /16s and 49 /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: 3905 Total AfriNIC prefixes after maximum aggregation: 1209 AfriNIC Deaggregation factor: 3.23 Prefixes being announced from the AfriNIC address blocks: 4177 Unique aggregates announced from the AfriNIC address blocks: 1870 AfriNIC Region origin ASes present in the Internet Routing Table: 245 AfriNIC Prefixes per ASN: 17.05 AfriNIC Region origin ASes announcing only one prefix: 79 AfriNIC Region transit ASes present in the Internet Routing Table: 49 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 12312320 Equivalent to 0 /8s, 187 /16s and 223 /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 4755 1591 382 134 Videsh Sanchar Nigam Ltd. Aut 9498 1179 550 61 BHARTI BT INTERNET LTD. 9583 1120 111 411 Sify Limited 17488 1120 78 76 Hathway IP Over Cable Interne 23577 831 33 738 Korea Telecom (ATM-MPLS) 4766 815 6005 344 Korea Telecom (KIX) 4134 812 12917 322 CHINANET-BACKBONE 18101 693 167 36 Reliance Infocom Ltd Internet 9829 598 450 12 BSNL National Internet Backbo 1221 551 1919 424 Telstra Pty 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 2361 3138 188 bellsouth.net, inc. 4323 1467 1044 378 Time Warner Telecom 2386 1453 645 886 AT&T Data Communications Serv 3549 1448 540 209 Global Crossing 7018 1362 9896 970 AT&T WorldNet Services 11492 1229 149 13 Cable One 1803 1202 7 949 SPRINT 1785 1072 510 105 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 318 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 1645 229 66 Telecom Argentina Stet-France 8151 1239 2464 225 UniNet S.A. de C.V. 11830 603 299 9 Instituto Costarricense de El 22047 566 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 413 85 46 ENTEL CHILE S.A. 11172 412 118 69 Servicios Alestra S.A de C.V 10620 393 100 72 TVCABLE BOGOTA 14117 375 23 9 Telefonica del Sur S.A. 16735 368 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 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 2361 3138 188 bellsouth.net, inc. 7303 1645 229 66 Telecom Argentina Stet-France 4755 1591 382 134 Videsh Sanchar Nigam Ltd. Aut 4323 1467 1044 378 Time Warner Telecom 2386 1453 645 886 AT&T Data Communications Serv 3549 1448 540 209 Global Crossing 7018 1362 9896 970 AT&T WorldNet Services 8151 1239 2464 225 UniNet S.A. de C.V. 11492 1229 149 13 Cable One 1803 1202 7 949 SPRINT
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 7303 1645 1579 Telecom Argentina Stet-France 4755 1591 1457 Videsh Sanchar Nigam Ltd. Aut 3549 1448 1239 Global Crossing 11492 1229 1216 Cable One 9498 1179 1118 BHARTI BT INTERNET LTD. 4323 1467 1089 Time Warner Telecom 17488 1120 1044 Hathway IP Over Cable Interne 18566 1044 1034 Covad Communications 8151 1239 1014 UniNet S.A. de C.V. 1785 1072 967 AppliedTheory Corporation
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 /8:19 /9:9 /10:16 /11:43 /12:143 /13:284 /14:519 /15:1035 /16:10004 /17:4382 /18:7362 /19:15588 /20:18123 /21:17771 /22:22850 /23:23510 /24:138552 /25:878 /26:1112 /27:368 /28:712 /29:354 /30:210 /31:0 /32:222
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 1457 2361 bellsouth.net, inc. 11492 1210 1229 Cable One 1803 1180 1202 SPRINT 2386 1151 1453 AT&T Data Communications Serv 7303 1149 1645 Telecom Argentina Stet-France 3549 1066 1448 Global Crossing 18566 1025 1044 Covad Communications 9583 972 1120 Sify Limited 4755 961 1591 Videsh Sanchar Nigam Ltd. Aut 6298 946 961 Cox Communicatons
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:116 12:2073 13:1 14:1 15:22 16:3 17:5 18:13 20:37 24:1075 25:1 32:199 33:3 38:444 40:93 41:638 43:1 44:2 47:12 52:3 55:4 56:3 57:46 58:459 59:470 60:443 61:1005 62:1137 63:1964 64:3585 65:2420 66:3782 67:1231 68:696 69:2275 70:683 71:126 72:1817 73:5 74:1007 75:221 76:315 77:730 78:711 79:196 80:914 81:851 82:577 83:401 84:575 85:1017 86:424 87:700 88:315 89:1270 90:12 91:1271 92:186 93:722 94:16 96:35 97:23 98:200 99:3 100:1 111:1 112:1 113:1 114:36 116:696 117:339 118:144 119:463 120:62 121:539 122:786 123:350 124:849 125:1143 128:331 129:208 130:130 131:403 132:67 133:9 134:177 135:33 136:218 137:86 138:151 139:85 140:497 141:99 142:403 143:339 144:356 145:51 146:375 147:154 148:505 149:195 150:127 151:193 152:145 153:143 154:11 155:273 156:174 157:277 158:168 159:239 160:266 161:115 162:232 163:184 164:530 165:458 166:327 167:329 168:619 169:138 170:448 171:29 172:11 189:217 190:2286 192:5812 193:4180 194:3246 195:2544 196:1076 198:3756 199:3281 200:5934 201:1611 202:7693 203:7925 204:3992 205:2139 206:2500 207:2819 208:3539 209:3541 210:2532 211:1018 212:1413 213:1679 214:160 215:49 216:4462 217:1205 218:352 219:406 220:1089 221:471 222:312
End of report
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