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Routing Table Report 00:00 GMT Sat 30 Aug, 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: 274867 Prefixes after maximum aggregation: 131093 Deaggregation factor: 2.10 Unique aggregates announced to Internet: 129903 Total ASes present in the Internet Routing Table: 29176 Prefixes per ASN: 9.42 Origin-only ASes present in the Internet Routing Table: 25268 Origin ASes announcing only one prefix: 12282 Transit ASes present in the Internet Routing Table: 3908 Transit-only ASes present in the Internet Routing Table: 94 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 28 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 608 Unregistered ASNs in the Routing Table: 221 Number of 32-bit ASNs allocated by the RIRs: 59 Prefixes from 32-bit ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 774 Number of addresses announced to Internet: 1914824182 Equivalent to 114 /8s, 33 /16s and 229 /24s Percentage of available address space announced: 51.7 Percentage of allocated address space announced: 62.7 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.3 Total number of prefixes smaller than registry allocations: 136127
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 64556 Total APNIC prefixes after maximum aggregation: 22693 APNIC Deaggregation factor: 2.84 Prefixes being announced from the APNIC address blocks: 61596 Unique aggregates announced from the APNIC address blocks: 25945 APNIC Region origin ASes present in the Internet Routing Table: 3358 APNIC Prefixes per ASN: 18.34 APNIC Region origin ASes announcing only one prefix: 896 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: 375167136 Equivalent to 22 /8s, 92 /16s and 152 /24s Percentage of available APNIC address space announced: 79.9
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: 124005 Total ARIN prefixes after maximum aggregation: 66288 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 91946 Unique aggregates announced from the ARIN address blocks: 35147 ARIN Region origin ASes present in the Internet Routing Table: 12437 ARIN Prefixes per ASN: 7.39 ARIN Region origin ASes announcing only one prefix: 4779 ARIN Region transit ASes present in the Internet Routing Table: 1244 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 362674689 Equivalent to 21 /8s, 157 /16s and 250 /24s Percentage of available ARIN address space announced: 74.5
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: 58583 Total RIPE prefixes after maximum aggregation: 35108 RIPE Deaggregation factor: 1.67 Prefixes being announced from the RIPE address blocks: 54147 Unique aggregates announced from the RIPE address blocks: 35460 RIPE Region origin ASes present in the Internet Routing Table: 11827 RIPE Prefixes per ASN: 4.58 RIPE Region origin ASes announcing only one prefix: 6196 RIPE Region transit ASes present in the Internet Routing Table: 1856 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 370067008 Equivalent to 22 /8s, 14 /16s and 198 /24s Percentage of available RIPE address space announced: 84.8
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: 23056 Total LACNIC prefixes after maximum aggregation: 5270 LACNIC Deaggregation factor: 4.37 Prefixes being announced from the LACNIC address blocks: 21298 Unique aggregates announced from the LACNIC address blocks: 10812 LACNIC Region origin ASes present in the Internet Routing Table: 995 LACNIC Prefixes per ASN: 21.41 LACNIC Region origin ASes announcing only one prefix: 325 LACNIC Region transit ASes present in the Internet Routing Table: 165 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 28 Number of LACNIC addresses announced to Internet: 54891278 Equivalent to 3 /8s, 69 /16s and 147 /24s Percentage of available LACNIC address space announced: 54.5
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: 4060 Total AfriNIC prefixes after maximum aggregation: 1258 AfriNIC Deaggregation factor: 3.23 Prefixes being announced from the AfriNIC address blocks: 4411 Unique aggregates announced from the AfriNIC address blocks: 1900 AfriNIC Region origin ASes present in the Internet Routing Table: 254 AfriNIC Prefixes per ASN: 17.37 AfriNIC Region origin ASes announcing only one prefix: 86 AfriNIC Region transit ASes present in the Internet Routing Table: 53 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 12648448 Equivalent to 0 /8s, 193 /16s and 0 /24s Percentage of available AfriNIC address space announced: 37.7
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 3301 3214 44 China Education and Research 4755 1719 578 92 Videsh Sanchar Nigam Ltd. Aut 17488 1371 89 104 Hathway IP Over Cable Interne 9583 1128 91 500 Sify Limited 4134 851 13619 341 CHINANET-BACKBONE 4766 844 6407 358 Korea Telecom (KIX) 23577 824 33 729 Korea Telecom (ATM-MPLS) 4780 717 353 61 Digital United Inc. 18101 694 167 31 Reliance Infocom Ltd Internet 9498 675 291 53 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 4311 3386 337 bellsouth.net, inc. 6298 2016 324 712 Cox Communicatons 1785 1650 710 156 AppliedTheory Corporation 2386 1561 677 908 AT&T Data Communications Serv 4323 1500 1071 373 Time Warner Telecom 3549 1478 539 214 Global Crossing 20115 1478 1196 677 Charter Communications 7018 1396 5776 962 AT&T WorldNet Services 1803 1277 8 1008 SPRINT 11492 1214 151 22 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 418 1776 373 TDC Tele Danmark 3215 396 2756 106 France Telecom Transpac 8452 358 188 11 TEDATA 3301 334 1444 305 TeliaNet Sweden 3320 323 7047 271 Deutsche Telekom AG 8866 316 77 21 Bulgarian Telecommunication C 5462 307 666 27 Telewest Broadband 8551 288 270 38 Bezeq International 1257 279 1131 204 SWIPnet Swedish IP Network 680 275 2047 265 DFN-IP service G-WiN
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 1697 235 66 Telecom Argentina Stet-France 8151 1591 2608 225 UniNet S.A. de C.V. 11830 664 299 9 Instituto Costarricense de El 22047 564 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 422 85 49 ENTEL CHILE S.A. 10620 417 102 66 TVCABLE BOGOTA 16735 414 92 11 Companhia de Telecomunicacoes 11172 409 118 73 Servicios Alestra S.A de C.V 14117 345 23 9 Telefonica del Sur 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 508 65 36 LINKdotNET AS number 20858 402 34 3 EgyNet 3741 265 855 223 The Internet Solution 2018 229 214 135 Tertiary Education Network 6713 144 135 11 Itissalat Al-MAGHRIB 33783 136 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 33776 119 6 3 Starcomms Nigeria Limited 5713 118 539 70 Telkom SA Ltd 29571 107 13 8 Ci Telecom Autonomous system
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 4311 3386 337 bellsouth.net, inc. 4538 3301 3214 44 China Education and Research 6298 2016 324 712 Cox Communicatons 4755 1719 578 92 Videsh Sanchar Nigam Ltd. Aut 7303 1697 235 66 Telecom Argentina Stet-France 1785 1650 710 156 AppliedTheory Corporation 8151 1591 2608 225 UniNet S.A. de C.V. 2386 1561 677 908 AT&T Data Communications Serv 4323 1500 1071 373 Time Warner Telecom 3549 1478 539 214 Global Crossing
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4538 3301 3257 China Education and Research 7303 1697 1631 Telecom Argentina Stet-France 4755 1719 1627 Videsh Sanchar Nigam Ltd. Aut 1785 1650 1494 AppliedTheory Corporation 8151 1591 1366 UniNet S.A. de C.V. 6298 2016 1304 Cox Communicatons 17488 1371 1267 Hathway IP Over Cable Interne 3549 1478 1264 Global Crossing 11492 1214 1192 Cable One 4323 1500 1127 Time Warner Telecom
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 22492 UNALLOCATED 12.2.46.0/24 1239 Sprint 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 26973 UNALLOCATED 12.39.152.0/24 1239 Sprint 26973 UNALLOCATED 12.39.154.0/23 1239 Sprint
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 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 24.75.160.0/19 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 63.140.213.0/24 22555 Universal Talkware Corporatio 63.143.71.0/24 701 UUNET Technologies, Inc. 63.143.115.0/24 701 UUNET Technologies, Inc. 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 /10:17 /11:46 /12:147 /13:297 /14:535 /15:1073 /16:10152 /17:4422 /18:7686 /19:16097 /20:19141 /21:18584 /22:23997 /23:24835 /24:143923 /25:863 /26:1103 /27:372 /28:737 /29:374 /30:225 /31:0 /32:213
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2869 4311 bellsouth.net, inc. 6298 1989 2016 Cox Communicatons 4538 1761 3301 China Education and Research 1803 1255 1277 SPRINT 2386 1239 1561 AT&T Data Communications Serv 7303 1201 1697 Telecom Argentina Stet-France 11492 1195 1214 Cable One 17488 1179 1371 Hathway IP Over Cable Interne 1785 1119 1650 AppliedTheory Corporation 3549 1106 1478 Global Crossing
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:139 12:2158 13:2 14:1 15:22 16:3 17:5 18:13 20:37 24:1082 32:197 38:491 40:92 41:715 43:1 44:2 47:12 52:3 55:3 56:3 57:47 58:559 59:582 60:452 61:978 62:1294 63:1982 64:3421 65:2361 66:3481 67:1226 68:784 69:2299 70:870 71:132 72:2027 73:6 74:1129 75:171 76:325 77:783 78:804 79:243 80:980 81:875 82:595 83:381 84:577 85:984 86:402 87:731 88:340 89:1332 90:43 91:1439 92:251 93:853 94:107 96:62 97:65 98:319 99:7 114:100 115:48 116:1026 117:352 118:199 119:483 120:87 121:607 122:829 123:403 124:844 125:1247 128:356 129:205 130:134 131:415 132:70 133:9 134:188 135:34 136:223 137:95 138:141 139:102 140:507 141:104 142:407 143:344 144:412 145:51 146:384 147:157 148:514 149:292 150:130 151:180 152:148 153:143 154:10 155:279 156:175 157:300 158:163 159:299 160:274 161:136 162:257 163:158 164:516 165:498 166:381 167:332 168:628 169:144 170:456 171:33 172:10 173:33 188:1 189:602 190:2346 192:5815 193:4263 194:3356 195:2663 196:1029 198:3751 199:3323 200:5950 201:1688 202:8207 203:8124 204:3959 205:2165 206:2453 207:2776 208:3669 209:3421 210:2991 211:1255 212:1431 213:1652 214:178 215:50 216:4367 217:1226 218:404 219:521 220:1068 221:436 222:443
End of report
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