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Routing Table Report 00:00 GMT Sun 23 Nov, 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: 280858 Prefixes after maximum aggregation: 133252 Deaggregation factor: 2.11 Unique aggregates announced to Internet: 132711 Total ASes present in the Internet Routing Table: 29924 Prefixes per ASN: 9.39 Origin-only ASes present in the Internet Routing Table: 25982 Origin ASes announcing only one prefix: 12662 Transit ASes present in the Internet Routing Table: 3942 Transit-only ASes present in the Internet Routing Table: 92 Average AS path length visible in the Internet Routing Table: 3.7 Max AS path length visible: 20 Max AS path prepend of ASN (13791) 17 Prefixes from unregistered ASNs in the Routing Table: 535 Unregistered ASNs in the Routing Table: 199 Number of 32-bit ASNs allocated by the RIRs: 65 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 5 Prefixes being announced from unallocated address space: 199 Number of addresses announced to Internet: 1960656028 Equivalent to 116 /8s, 221 /16s and 60 /24s Percentage of available address space announced: 52.9 Percentage of allocated address space announced: 63.2 Percentage of available address space allocated: 83.7 Percentage of address space in use by end-sites: 74.4 Total number of prefixes smaller than registry allocations: 139581
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 66150 Total APNIC prefixes after maximum aggregation: 23299 APNIC Deaggregation factor: 2.84 Prefixes being announced from the APNIC address blocks: 63105 Unique aggregates announced from the APNIC address blocks: 26600 APNIC Region origin ASes present in the Internet Routing Table: 3476 APNIC Prefixes per ASN: 18.15 APNIC Region origin ASes announcing only one prefix: 946 APNIC Region transit ASes present in the Internet Routing Table: 539 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 385449248 Equivalent to 22 /8s, 249 /16s and 125 /24s Percentage of available APNIC address space announced: 76.6
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, 110/8, 111/8, 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: 124564 Total ARIN prefixes after maximum aggregation: 66328 ARIN Deaggregation factor: 1.88 Prefixes being announced from the ARIN address blocks: 92998 Unique aggregates announced from the ARIN address blocks: 34797 ARIN Region origin ASes present in the Internet Routing Table: 12632 ARIN Prefixes per ASN: 7.36 ARIN Region origin ASes announcing only one prefix: 4870 ARIN Region transit ASes present in the Internet Routing Table: 1244 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 401376513 Equivalent to 23 /8s, 236 /16s and 133 /24s Percentage of available ARIN address space announced: 82.5
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: 61215 Total RIPE prefixes after maximum aggregation: 36285 RIPE Deaggregation factor: 1.69 Prefixes being announced from the RIPE address blocks: 57201 Unique aggregates announced from the RIPE address blocks: 37288 RIPE Region origin ASes present in the Internet Routing Table: 12235 RIPE Prefixes per ASN: 4.68 RIPE Region origin ASes announcing only one prefix: 6433 RIPE Region transit ASes present in the Internet Routing Table: 1882 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 379541991 Equivalent to 22 /8s, 159 /16s and 89 /24s Percentage of available RIPE address space announced: 87.0
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, 47104-49151 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: 24153 Total LACNIC prefixes after maximum aggregation: 5552 LACNIC Deaggregation factor: 4.35 Prefixes being announced from the LACNIC address blocks: 22198 Unique aggregates announced from the LACNIC address blocks: 11390 LACNIC Region origin ASes present in the Internet Routing Table: 1034 LACNIC Prefixes per ASN: 21.47 LACNIC Region origin ASes announcing only one prefix: 331 LACNIC Region transit ASes present in the Internet Routing Table: 169 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 58362894 Equivalent to 3 /8s, 122 /16s and 140 /24s Percentage of available LACNIC address space announced: 58.0
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: 4249 Total AfriNIC prefixes after maximum aggregation: 1358 AfriNIC Deaggregation factor: 3.13 Prefixes being announced from the AfriNIC address blocks: 4539 Unique aggregates announced from the AfriNIC address blocks: 2167 AfriNIC Region origin ASes present in the Internet Routing Table: 270 AfriNIC Prefixes per ASN: 16.81 AfriNIC Region origin ASes announcing only one prefix: 82 AfriNIC Region transit ASes present in the Internet Routing Table: 53 Average AfriNIC Region AS path length visible: 4.2 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 12951424 Equivalent to 0 /8s, 197 /16s and 159 /24s Percentage of available AfriNIC address space announced: 25.7
AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4538 3355 3245 44 China Education and Research 17488 1424 100 114 Hathway IP Over Cable Interne 4755 1178 563 102 Videsh Sanchar Nigam Ltd. Aut 9583 1151 87 480 Sify Limited 4766 1022 6409 365 Korea Telecom (KIX) 4134 909 14768 369 CHINANET-BACKBONE 18101 784 167 30 Reliance Infocom Ltd Internet 23577 769 33 689 Korea Telecom (ATM-MPLS) 4780 735 357 63 Digital United Inc. 9498 688 295 50 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 4367 3431 338 bellsouth.net, inc. 6298 2156 333 634 Cox Communicatons 20115 1841 1461 735 Charter Communications 1785 1704 717 155 AppliedTheory Corporation 6478 1678 369 201 AT&T Worldnet Services 2386 1597 686 911 AT&T Data Communications Serv 4323 1589 1068 377 Time Warner Telecom 7018 1402 9941 966 AT&T WorldNet Services 1803 1342 9 1073 SPRINT 11492 1217 192 12 Cable One
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 437 1766 382 TDC Tele Danmark 12479 370 578 6 Uni2 Autonomous System 30890 366 95 188 SC Kappa Invexim SRL 3301 338 1429 307 TeliaNet Sweden 8866 337 111 23 Bulgarian Telecommunication C 29049 337 26 3 AzerSat LLC. 5462 325 794 27 Telewest Broadband 3320 324 7062 272 Deutsche Telekom AG 8452 320 188 11 TEDATA 3215 316 2788 99 France Telecom Transpac
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 1753 244 74 Telecom Argentina Stet-France 8151 1392 2832 220 UniNet S.A. de C.V. 11830 671 299 9 Instituto Costarricense de El 10620 568 128 51 TVCABLE BOGOTA 22047 533 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 425 88 50 ENTEL CHILE S.A. 11172 402 118 72 Servicios Alestra S.A de C.V 16735 380 92 9 Companhia de Telecomunicacoes 7738 373 730 27 Telecomunicacoes da Bahia 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 562 71 46 LINKdotNET AS number 3741 270 857 227 The Internet Solution 20858 261 34 3 EgyNet 2018 239 215 139 Tertiary Education Network 29571 147 13 8 Ci Telecom Autonomous system 6713 144 135 11 Itissalat Al-MAGHRIB 33783 142 10 17 EEPAD TISP TELECOM & INTERNET 5713 121 555 70 Telkom SA Ltd 5536 120 8 17 Internet Egypt Network 33776 116 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 4367 3431 338 bellsouth.net, inc. 4538 3355 3245 44 China Education and Research 6298 2156 333 634 Cox Communicatons 20115 1841 1461 735 Charter Communications 7303 1753 244 74 Telecom Argentina Stet-France 1785 1704 717 155 AppliedTheory Corporation 6478 1678 369 201 AT&T Worldnet Services 2386 1597 686 911 AT&T Data Communications Serv 4323 1589 1068 377 Time Warner Telecom 17488 1424 100 114 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4538 3355 3311 China Education and Research 7303 1753 1679 Telecom Argentina Stet-France 1785 1704 1549 AppliedTheory Corporation 6298 2156 1522 Cox Communicatons 6478 1678 1477 AT&T Worldnet Services 17488 1424 1310 Hathway IP Over Cable Interne 4323 1589 1212 Time Warner Telecom 11492 1217 1205 Cable One 8151 1392 1172 UniNet S.A. de C.V. 20115 1841 1106 Charter Communications
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 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic 32326 UNALLOCATED 12.40.49.0/24 3549 Global Crossing 25639 UNALLOCATED 12.41.169.0/24 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 10.29.248.65/32 286 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 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 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 41.187.0.0/16 20928 Noor Advanced Technologies AS 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 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 /10:19 /11:55 /12:161 /13:315 /14:554 /15:1089 /16:10253 /17:4513 /18:7730 /19:16557 /20:19825 /21:19311 /22:25106 /23:25528 /24:146463 /25:650 /26:727 /27:381 /28:804 /29:400 /30:139 /31:0 /32:250
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2858 4367 bellsouth.net, inc. 6298 2130 2156 Cox Communicatons 4538 1798 3355 China Education and Research 1803 1320 1342 SPRINT 7303 1285 1753 Telecom Argentina Stet-France 2386 1277 1597 AT&T Data Communications Serv 17488 1214 1424 Hathway IP Over Cable Interne 11492 1192 1217 Cable One 1785 1163 1704 AppliedTheory Corporation 6478 1106 1678 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1 4:12 8:162 12:2189 13:2 15:21 16:3 17:5 20:36 24:1140 30:1 32:139 38:519 40:93 41:802 43:1 44:2 47:12 52:3 55:3 56:3 57:48 58:541 59:623 60:454 61:1068 62:1193 63:1936 64:3300 65:2422 66:3574 67:1336 68:850 69:2365 70:897 71:172 72:2107 73:7 74:1308 75:170 76:290 77:892 78:518 79:290 80:942 81:860 82:610 83:411 84:589 85:1054 86:508 87:672 88:352 89:1366 90:29 91:1684 92:309 93:995 94:685 95:29 96:90 97:137 98:395 99:15 100:1 113:40 114:132 115:156 116:1083 117:412 118:307 119:552 120:107 121:673 122:882 123:465 124:849 125:1270 128:359 129:219 130:135 131:408 132:72 133:9 134:188 135:31 136:223 137:118 138:144 139:92 140:431 141:111 142:393 143:309 144:301 145:52 146:372 147:143 148:601 149:291 150:143 151:210 152:140 153:138 154:10 155:277 156:175 157:301 158:168 159:297 160:273 161:132 162:250 163:136 164:516 165:512 166:365 167:337 168:646 169:155 170:482 171:40 172:10 173:141 174:5 187:18 188:1 189:369 190:2671 192:5854 193:4234 194:3392 195:2685 196:1021 198:3722 199:3292 200:5861 201:1616 202:8135 203:8077 204:3916 205:2181 206:2304 207:2734 208:3746 209:3403 210:3040 211:1323 212:1560 213:1692 214:69 215:25 216:4381 217:1242 218:416 219:500 220:1081 221:438 222:432
End of report
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