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Routing Table Report 00:00 GMT Tue 10 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: 264641 Prefixes after maximum aggregation: 129297 Deaggregation factor: 2.05 Unique aggregates announced to Internet: 126288 Total ASes present in the Internet Routing Table: 28434 Prefixes per ASN: 9.31 Origin-only ASes present in the Internet Routing Table: 24672 Origin ASes announcing only one prefix: 11947 Transit ASes present in the Internet Routing Table: 3762 Transit-only ASes present in the Internet Routing Table: 85 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 29 Max AS path prepend of ASN (17957) 20 Prefixes from unregistered ASNs in the Routing Table: 635 Unregistered ASNs in the Routing Table: 239 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: 778 Number of addresses announced to Internet: 1894590640 Equivalent to 112 /8s, 237 /16s and 40 /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: 72.1 Total number of prefixes smaller than registry allocations: 129420
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 60941 Total APNIC prefixes after maximum aggregation: 22088 APNIC Deaggregation factor: 2.76 Prefixes being announced from the APNIC address blocks: 58057 Unique aggregates announced from the APNIC address blocks: 24965 APNIC Region origin ASes present in the Internet Routing Table: 3274 APNIC Prefixes per ASN: 17.73 APNIC Region origin ASes announcing only one prefix: 872 APNIC Region transit ASes present in the Internet Routing Table: 527 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 351858592 Equivalent to 20 /8s, 248 /16s and 239 /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: 121025 Total ARIN prefixes after maximum aggregation: 66367 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 90281 Unique aggregates announced from the ARIN address blocks: 34763 ARIN Region origin ASes present in the Internet Routing Table: 12214 ARIN Prefixes per ASN: 7.39 ARIN Region origin ASes announcing only one prefix: 4729 ARIN Region transit ASes present in the Internet Routing Table: 1190 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 359061249 Equivalent to 21 /8s, 102 /16s and 215 /24s Percentage of available ARIN address space announced: 73.8
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 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: 56175 Total RIPE prefixes after maximum aggregation: 34004 RIPE Deaggregation factor: 1.65 Prefixes being announced from the RIPE address blocks: 51538 Unique aggregates announced from the RIPE address blocks: 33857 RIPE Region origin ASes present in the Internet Routing Table: 11440 RIPE Prefixes per ASN: 4.51 RIPE Region origin ASes announcing only one prefix: 5970 RIPE Region transit ASes present in the Internet Routing Table: 1760 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 29 Number of RIPE addresses announced to Internet: 360761408 Equivalent to 21 /8s, 128 /16s and 200 /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: 21976 Total LACNIC prefixes after maximum aggregation: 5116 LACNIC Deaggregation factor: 4.30 Prefixes being announced from the LACNIC address blocks: 20195 Unique aggregates announced from the LACNIC address blocks: 10352 LACNIC Region origin ASes present in the Internet Routing Table: 957 LACNIC Prefixes per ASN: 21.10 LACNIC Region origin ASes announcing only one prefix: 300 LACNIC Region transit ASes present in the Internet Routing Table: 167 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 27 Number of LACNIC addresses announced to Internet: 52396424 Equivalent to 3 /8s, 31 /16s and 129 /24s Percentage of available LACNIC address space announced: 52.1
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: 3894 Total AfriNIC prefixes after maximum aggregation: 1205 AfriNIC Deaggregation factor: 3.23 Prefixes being announced from the AfriNIC address blocks: 4143 Unique aggregates announced from the AfriNIC address blocks: 1868 AfriNIC Region origin ASes present in the Internet Routing Table: 241 AfriNIC Prefixes per ASN: 17.19 AfriNIC Region origin ASes announcing only one prefix: 76 AfriNIC Region transit ASes present in the Internet Routing Table: 50 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 12298752 Equivalent to 0 /8s, 187 /16s and 170 /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 61 BHARTI BT INTERNET LTD. 9583 1117 111 412 Sify Limited 17488 1099 72 73 Hathway IP Over Cable Interne 4134 835 12917 322 CHINANET-BACKBONE 23577 834 33 741 Korea Telecom (ATM-MPLS) 4766 815 6005 344 Korea Telecom (KIX) 18101 691 167 36 Reliance Infocom Ltd Internet 9829 599 451 13 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 1473 1045 380 Time Warner Telecom 2386 1440 644 879 AT&T Data Communications Serv 3549 1430 540 207 Global Crossing 7018 1378 9902 983 AT&T WorldNet Services 11492 1228 148 12 Cable One 1803 1194 7 942 SPRINT 7011 1051 291 584 Citizens Utilities 18566 1044 296 10 Covad Communications 20115 1039 1062 563 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 412 1772 369 TDC Tele Danmark 3301 338 1460 308 TeliaNet Sweden 8452 327 188 7 TEDATA 3320 316 7043 265 Deutsche Telekom AG 8866 316 77 21 Bulgarian Telecommunication C 5462 294 666 26 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 1646 229 68 Telecom Argentina Stet-France 8151 1238 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 413 85 46 ENTEL CHILE S.A. 11172 412 118 69 Servicios Alestra S.A de C.V 10620 387 99 78 TVCABLE BOGOTA 14117 375 23 9 Telefonica del Sur S.A. 16735 366 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 3741 282 853 223 The Internet Solution 20858 224 34 3 EgyNet 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 1646 229 68 Telecom Argentina Stet-France 4755 1641 387 88 Videsh Sanchar Nigam Ltd. Aut 4323 1473 1045 380 Time Warner Telecom 2386 1440 644 879 AT&T Data Communications Serv 3549 1430 540 207 Global Crossing 7018 1378 9902 983 AT&T WorldNet Services 8151 1238 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 1646 1578 Telecom Argentina Stet-France 4755 1641 1553 Videsh Sanchar Nigam Ltd. Aut 3549 1430 1223 Global Crossing 11492 1228 1216 Cable One 9498 1178 1117 BHARTI BT INTERNET LTD. 4323 1473 1093 Time Warner Telecom 18566 1044 1034 Covad Communications 17488 1099 1026 Hathway IP Over Cable Interne 8151 1238 1011 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 /16:10021 /17:4393 /18:7395 /19:15613 /20:18358 /21:17755 /22:22827 /23:23392 /24:138970 /25:878 /26:1109 /27:369 /28:710 /29:354 /30:211 /31:0 /32:217
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 1172 1194 SPRINT 7303 1150 1646 Telecom Argentina Stet-France 2386 1138 1440 AT&T Data Communications Serv 3549 1057 1430 Global Crossing 18566 1025 1044 Covad Communications 4755 990 1641 Videsh Sanchar Nigam Ltd. Aut 4538 975 2061 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 8:115 12:2066 13:1 14:1 15:22 16:3 17:5 18:13 20:37 24:1075 25:1 32:199 33:3 38:437 40:93 41:636 43:1 44:2 47:12 52:3 55:4 56:3 57:46 58:577 59:507 60:443 61:1011 62:1146 63:1956 64:3570 65:2412 66:3752 67:1213 68:694 69:2253 70:684 71:126 72:1817 73:5 74:995 75:218 76:313 77:726 78:701 79:190 80:926 81:844 82:572 83:399 84:572 85:1009 86:422 87:691 88:315 89:1250 90:12 91:1281 92:181 93:528 96:32 97:22 98:194 99:3 100:1 111:1 114:20 116:670 117:339 118:141 119:451 120:58 121:533 122:786 123:346 124:847 125:1148 128:327 129:202 130:131 131:401 132:67 133:9 134:177 135:33 136:219 137:91 138:151 139:78 140:493 141:99 142:403 143:327 144:352 145:51 146:375 147:154 148:507 149:192 150:130 151:193 152:144 153:136 154:10 155:243 156:174 157:275 158:168 159:230 160:257 161:114 162:232 163:184 164:530 165:458 166:332 167:329 168:617 169:131 170:448 171:29 172:11 189:209 190:2251 192:5809 193:4094 194:3219 195:2506 196:1076 198:3750 199:3276 200:5963 201:1604 202:8146 203:7926 204:3982 205:2132 206:2494 207:2812 208:3523 209:3540 210:2899 211:1183 212:1402 213:1628 214:163 215:49 216:4412 217:1197 218:396 219:506 220:1082 221:469 222:368
End of report
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