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Routing Table Report 00:00 GMT Mon 08 Dec, 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: 280959 Prefixes after maximum aggregation: 133390 Deaggregation factor: 2.11 Unique aggregates announced to Internet: 133701 Total ASes present in the Internet Routing Table: 30072 Prefixes per ASN: 9.34 Origin-only ASes present in the Internet Routing Table: 26083 Origin ASes announcing only one prefix: 12717 Transit ASes present in the Internet Routing Table: 3989 Transit-only ASes present in the Internet Routing Table: 93 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 23 Max AS path prepend of ASN (17565) 18 Prefixes from unregistered ASNs in the Routing Table: 534 Unregistered ASNs in the Routing Table: 197 Number of 32-bit ASNs allocated by the RIRs: 68 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: 196 Number of addresses announced to Internet: 1968066460 Equivalent to 117 /8s, 78 /16s and 79 /24s Percentage of available address space announced: 53.1 Percentage of allocated address space announced: 63.4 Percentage of available address space allocated: 83.7 Percentage of address space in use by end-sites: 74.6 Total number of prefixes smaller than registry allocations: 138988
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 66982 Total APNIC prefixes after maximum aggregation: 23479 APNIC Deaggregation factor: 2.85 Prefixes being announced from the APNIC address blocks: 63958 Unique aggregates announced from the APNIC address blocks: 26955 APNIC Region origin ASes present in the Internet Routing Table: 3485 APNIC Prefixes per ASN: 18.35 APNIC Region origin ASes announcing only one prefix: 944 APNIC Region transit ASes present in the Internet Routing Table: 545 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 389830688 Equivalent to 23 /8s, 60 /16s and 88 /24s Percentage of available APNIC address space announced: 77.5
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: 122887 Total ARIN prefixes after maximum aggregation: 66011 ARIN Deaggregation factor: 1.86 Prefixes being announced from the ARIN address blocks: 91175 Unique aggregates announced from the ARIN address blocks: 34858 ARIN Region origin ASes present in the Internet Routing Table: 12665 ARIN Prefixes per ASN: 7.20 ARIN Region origin ASes announcing only one prefix: 4875 ARIN Region transit ASes present in the Internet Routing Table: 1260 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 402533889 Equivalent to 23 /8s, 254 /16s and 46 /24s Percentage of available ARIN address space announced: 82.7
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: 61813 Total RIPE prefixes after maximum aggregation: 36546 RIPE Deaggregation factor: 1.69 Prefixes being announced from the RIPE address blocks: 57804 Unique aggregates announced from the RIPE address blocks: 37635 RIPE Region origin ASes present in the Internet Routing Table: 12335 RIPE Prefixes per ASN: 4.69 RIPE Region origin ASes announcing only one prefix: 6489 RIPE Region transit ASes present in the Internet Routing Table: 1899 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 381056743 Equivalent to 22 /8s, 182 /16s and 118 /24s Percentage of available RIPE address space announced: 87.4
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: 24508 Total LACNIC prefixes after maximum aggregation: 5563 LACNIC Deaggregation factor: 4.41 Prefixes being announced from the LACNIC address blocks: 22570 Unique aggregates announced from the LACNIC address blocks: 11538 LACNIC Region origin ASes present in the Internet Routing Table: 1041 LACNIC Prefixes per ASN: 21.68 LACNIC Region origin ASes announcing only one prefix: 329 LACNIC Region transit ASes present in the Internet Routing Table: 166 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 58580750 Equivalent to 3 /8s, 125 /16s and 223 /24s Percentage of available LACNIC address space announced: 58.2
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: 4253 Total AfriNIC prefixes after maximum aggregation: 1368 AfriNIC Deaggregation factor: 3.11 Prefixes being announced from the AfriNIC address blocks: 4544 Unique aggregates announced from the AfriNIC address blocks: 2175 AfriNIC Region origin ASes present in the Internet Routing Table: 271 AfriNIC Prefixes per ASN: 16.77 AfriNIC Region origin ASes announcing only one prefix: 80 AfriNIC Region transit ASes present in the Internet Routing Table: 58 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 13028480 Equivalent to 0 /8s, 198 /16s and 204 /24s Percentage of available AfriNIC address space announced: 25.9
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 3401 3245 44 China Education and Research 17488 1443 101 105 Hathway IP Over Cable Interne 4766 1218 6409 366 Korea Telecom (KIX) 4755 1164 563 99 Videsh Sanchar Nigam Ltd. Aut 9583 1114 87 487 Sify Limited 4134 913 15509 355 CHINANET-BACKBONE 18101 784 168 32 Reliance Infocom Ltd Internet 23577 762 33 682 Korea Telecom (ATM-MPLS) 4780 731 357 63 Digital United Inc. 9498 697 295 51 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 4378 3434 345 bellsouth.net, inc. 20115 1848 1466 745 Charter Communications 1785 1705 717 155 AppliedTheory Corporation 6478 1601 367 285 AT&T Worldnet Services 4323 1600 1068 383 Time Warner Telecom 2386 1590 692 906 AT&T Data Communications Serv 7018 1418 9943 980 AT&T WorldNet Services 1803 1333 8 1068 SPRINT 11492 1222 192 12 Cable One 3356 1099 10991 423 Level 3 Communications, LLC
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 434 1765 379 TDC Tele Danmark 35228 406 144 5 Avatar Broadband Limited 30890 377 79 194 SC Kappa Invexim SRL 12479 373 578 6 Uni2 Autonomous System 3301 335 1413 304 TeliaNet Sweden 8866 331 109 22 Bulgarian Telecommunication C 29049 331 26 3 AzerSat LLC. 3320 329 7064 277 Deutsche Telekom AG 8452 321 188 11 TEDATA 3215 314 2776 97 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 1775 248 75 Telecom Argentina Stet-France 8151 1394 2832 218 UniNet S.A. de C.V. 11830 667 299 9 Instituto Costarricense de El 10620 605 133 45 TVCABLE BOGOTA 22047 553 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 425 88 50 ENTEL CHILE S.A. 11172 400 118 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 571 72 48 LINKdotNET AS number 3741 269 857 227 The Internet Solution 20858 264 34 3 EgyNet 2018 239 215 140 Tertiary Education Network 6713 144 135 11 Itissalat Al-MAGHRIB 33783 143 10 17 EEPAD TISP TELECOM & INTERNET 29571 121 15 8 Ci Telecom Autonomous system 5536 120 8 17 Internet Egypt Network 5713 118 539 67 Telkom SA Ltd 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 4378 3434 345 bellsouth.net, inc. 4538 3401 3245 44 China Education and Research 20115 1848 1466 745 Charter Communications 7303 1775 248 75 Telecom Argentina Stet-France 1785 1705 717 155 AppliedTheory Corporation 6478 1601 367 285 AT&T Worldnet Services 4323 1600 1068 383 Time Warner Telecom 2386 1590 692 906 AT&T Data Communications Serv 17488 1443 101 105 Hathway IP Over Cable Interne 7018 1418 9943 980 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4538 3401 3357 China Education and Research 7303 1775 1700 Telecom Argentina Stet-France 1785 1705 1550 AppliedTheory Corporation 17488 1443 1338 Hathway IP Over Cable Interne 6478 1601 1316 AT&T Worldnet Services 4323 1600 1217 Time Warner Telecom 11492 1222 1210 Cable One 8151 1394 1176 UniNet S.A. de C.V. 20115 1848 1103 Charter Communications 4755 1164 1065 Videsh Sanchar Nigam Ltd. Aut
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 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 63.143.251.0/24 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 /11:56 /12:161 /13:315 /14:559 /15:1086 /16:10280 /17:4522 /18:7783 /19:16588 /20:19887 /21:19170 /22:25001 /23:25310 /24:146726 /25:658 /26:744 /27:386 /28:808 /29:413 /30:193 /31:0 /32:266
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2861 4378 bellsouth.net, inc. 4538 1812 3401 China Education and Research 1803 1311 1333 SPRINT 7303 1307 1775 Telecom Argentina Stet-France 2386 1271 1590 AT&T Data Communications Serv 17488 1232 1443 Hathway IP Over Cable Interne 11492 1197 1222 Cable One 1785 1164 1705 AppliedTheory Corporation 6478 1126 1601 AT&T Worldnet Services 18566 1040 1059 Covad Communications
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:13 8:164 9:1 12:2237 13:2 15:21 16:3 17:5 20:36 24:1121 32:139 38:523 40:92 41:807 43:1 44:2 47:13 52:3 55:3 56:3 57:47 58:547 59:651 60:456 61:1085 62:1183 63:1940 64:3315 65:2433 66:3569 67:1414 68:656 69:2371 70:525 71:172 72:1617 73:7 74:1322 75:183 76:300 77:902 78:518 79:296 80:942 81:869 82:603 83:403 84:590 85:1056 86:504 87:670 88:358 89:1412 90:43 91:1762 92:325 93:1095 94:770 95:50 96:92 97:141 98:166 99:10 100:1 110:1 111:1 113:56 114:150 115:168 116:1105 117:422 118:274 119:553 120:107 121:732 122:897 123:465 124:863 125:1320 128:357 129:219 130:136 131:411 132:72 133:9 134:191 135:31 136:225 137:123 138:144 139:93 140:429 141:111 142:375 143:350 144:316 145:53 146:370 147:142 148:601 149:291 150:144 151:210 152:145 153:138 154:10 155:251 156:165 157:305 158:165 159:298 160:273 161:131 162:253 163:137 164:513 165:506 166:362 167:353 168:661 169:160 170:486 171:40 172:10 173:123 174:10 187:15 188:1 189:386 190:2759 192:5854 193:4252 194:3388 195:2718 196:1037 198:3721 199:3324 200:5870 201:1638 202:8345 203:8046 204:3931 205:2177 206:2308 207:2753 208:3777 209:3410 210:3123 211:1336 212:1566 213:1708 214:75 215:25 216:4382 217:1252 218:423 219:496 220:1190 221:454 222:414
End of report
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