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Routing Table Report 00:00 GMT Sat 06 Sep, 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: 285956 Prefixes after maximum aggregation: 130963 Deaggregation factor: 2.18 Unique aggregates announced to Internet: 129959 Total ASes present in the Internet Routing Table: 29205 Prefixes per ASN: 9.79 Origin-only ASes present in the Internet Routing Table: 25299 Origin ASes announcing only one prefix: 12277 Transit ASes present in the Internet Routing Table: 3906 Transit-only ASes present in the Internet Routing Table: 94 Average AS path length visible in the Internet Routing Table: 4.1 Max AS path length visible: 27 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 600 Unregistered ASNs in the Routing Table: 232 Number of 32-bit ASNs allocated by the RIRs: 59 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: 777 Number of addresses announced to Internet: 1916615990 Equivalent to 114 /8s, 61 /16s and 61 /24s Percentage of available address space announced: 51.7 Percentage of allocated address space announced: 62.8 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.4 Total number of prefixes smaller than registry allocations: 136499
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 65819 Total APNIC prefixes after maximum aggregation: 22678 APNIC Deaggregation factor: 2.90 Prefixes being announced from the APNIC address blocks: 62834 Unique aggregates announced from the APNIC address blocks: 26009 APNIC Region origin ASes present in the Internet Routing Table: 3372 APNIC Prefixes per ASN: 18.63 APNIC Region origin ASes announcing only one prefix: 908 APNIC Region transit ASes present in the Internet Routing Table: 535 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 375534752 Equivalent to 22 /8s, 98 /16s and 52 /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: 127844 Total ARIN prefixes after maximum aggregation: 66142 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 95371 Unique aggregates announced from the ARIN address blocks: 35119 ARIN Region origin ASes present in the Internet Routing Table: 12442 ARIN Prefixes per ASN: 7.67 ARIN Region origin ASes announcing only one prefix: 4770 ARIN Region transit ASes present in the Internet Routing Table: 1236 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 362755969 Equivalent to 21 /8s, 159 /16s and 55 /24s Percentage of available ARIN address space announced: 74.6
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: 63308 Total RIPE prefixes after maximum aggregation: 35111 RIPE Deaggregation factor: 1.80 Prefixes being announced from the RIPE address blocks: 58882 Unique aggregates announced from the RIPE address blocks: 35432 RIPE Region origin ASes present in the Internet Routing Table: 11839 RIPE Prefixes per ASN: 4.97 RIPE Region origin ASes announcing only one prefix: 6194 RIPE Region transit ASes present in the Internet Routing Table: 1842 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 371349760 Equivalent to 22 /8s, 34 /16s and 89 /24s Percentage of available RIPE address space announced: 85.1
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: 24305 Total LACNIC prefixes after maximum aggregation: 5303 LACNIC Deaggregation factor: 4.58 Prefixes being announced from the LACNIC address blocks: 22508 Unique aggregates announced from the LACNIC address blocks: 10862 LACNIC Region origin ASes present in the Internet Routing Table: 993 LACNIC Prefixes per ASN: 22.67 LACNIC Region origin ASes announcing only one prefix: 316 LACNIC Region transit ASes present in the Internet Routing Table: 169 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 27 Number of LACNIC addresses announced to Internet: 55065358 Equivalent to 3 /8s, 72 /16s and 59 /24s Percentage of available LACNIC address space announced: 54.7
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: 4081 Total AfriNIC prefixes after maximum aggregation: 1257 AfriNIC Deaggregation factor: 3.25 Prefixes being announced from the AfriNIC address blocks: 4401 Unique aggregates announced from the AfriNIC address blocks: 1966 AfriNIC Region origin ASes present in the Internet Routing Table: 258 AfriNIC Prefixes per ASN: 17.06 AfriNIC Region origin ASes announcing only one prefix: 89 AfriNIC Region transit ASes present in the Internet Routing Table: 53 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC addresses announced to Internet: 12603392 Equivalent to 0 /8s, 192 /16s and 80 /24s Percentage of available AfriNIC address space announced: 37.6
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 3306 3214 44 China Education and Research 4755 1732 578 92 Videsh Sanchar Nigam Ltd. Aut 4134 1598 13651 345 CHINANET-BACKBONE 17488 1372 90 102 Hathway IP Over Cable Interne 9583 1148 89 491 Sify Limited 4766 843 6407 358 Korea Telecom (KIX) 23577 823 33 728 Korea Telecom (ATM-MPLS) 4780 718 353 61 Digital United Inc. 18101 715 167 29 Reliance Infocom Ltd Internet 9498 687 291 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 4305 3384 333 bellsouth.net, inc. 6298 1970 314 760 Cox Communicatons 1785 1652 710 156 AppliedTheory Corporation 20115 1587 1236 704 Charter Communications 2386 1560 677 907 AT&T Data Communications Serv 3549 1513 540 215 Global Crossing 4323 1504 1071 374 Time Warner Telecom 7018 1456 9869 958 AT&T WorldNet Services 1803 1299 8 1026 SPRINT 7132 1261 9279 332 SBC Internet Services
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 3320 1182 7063 273 Deutsche Telekom AG 3352 798 2044 43 Ibernet, Internet Access Netw 3269 707 3389 73 TELECOM ITALIA 3215 636 2756 106 France Telecom Transpac 3292 519 1776 374 TDC Tele Danmark 1257 452 1131 205 SWIPnet Swedish IP Network 9121 431 1445 27 TTnet Autonomous System 3301 357 1444 305 TeliaNet Sweden 8452 341 188 11 TEDATA 5462 338 794 27 Telewest Broadband
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 1728 239 67 Telecom Argentina Stet-France 8151 1664 2608 228 UniNet S.A. de C.V. 11830 665 299 9 Instituto Costarricense de El 22047 593 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 424 85 48 ENTEL CHILE S.A. 10620 422 103 62 TVCABLE BOGOTA 11172 413 118 72 Servicios Alestra S.A de C.V 16735 412 92 11 Companhia de Telecomunicacoes 28573 411 441 29 NET Servicos de Comunicao 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 515 65 36 LINKdotNET AS number 20858 404 34 3 EgyNet 3741 264 855 223 The Internet Solution 2018 233 214 138 Tertiary Education Network 6713 145 135 11 Itissalat Al-MAGHRIB 33783 137 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 33776 119 6 3 Starcomms Nigeria Limited 5713 118 555 68 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 4305 3384 333 bellsouth.net, inc. 4538 3306 3214 44 China Education and Research 6298 1970 314 760 Cox Communicatons 4755 1732 578 92 Videsh Sanchar Nigam Ltd. Aut 7303 1728 239 67 Telecom Argentina Stet-France 8151 1664 2608 228 UniNet S.A. de C.V. 1785 1652 710 156 AppliedTheory Corporation 4134 1598 13651 345 CHINANET-BACKBONE 20115 1587 1236 704 Charter Communications 2386 1560 677 907 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4538 3306 3262 China Education and Research 7303 1728 1661 Telecom Argentina Stet-France 4755 1732 1640 Videsh Sanchar Nigam Ltd. Aut 1785 1652 1496 AppliedTheory Corporation 8151 1664 1436 UniNet S.A. de C.V. 3549 1513 1298 Global Crossing 17488 1372 1270 Hathway IP Over Cable Interne 4134 1598 1253 CHINANET-BACKBONE 6298 1970 1210 Cox Communicatons 11492 1211 1193 Cable One
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 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 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 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 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.
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 /13:298 /14:535 /15:1073 /16:10154 /17:4420 /18:7701 /19:27588 /20:19155 /21:18636 /22:23987 /23:24796 /24:143618 /25:796 /26:1021 /27:369 /28:757 /29:380 /30:224 /31:0 /32:210
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2849 4305 bellsouth.net, inc. 6298 1945 1970 Cox Communicatons 4538 1761 3306 China Education and Research 1803 1277 1299 SPRINT 2386 1238 1560 AT&T Data Communications Serv 7303 1226 1728 Telecom Argentina Stet-France 11492 1192 1211 Cable One 17488 1180 1372 Hathway IP Over Cable Interne 1785 1122 1652 AppliedTheory Corporation 3549 1099 1513 Global Crossing
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:138 12:2162 13:2 14:1 15:22 16:3 17:5 18:13 20:37 24:1087 32:197 38:492 40:92 41:712 43:1 44:2 47:12 52:3 55:3 56:3 57:47 58:559 59:590 60:453 61:973 62:1300 63:1976 64:3394 65:2351 66:3480 67:1230 68:774 69:2301 70:843 71:169 72:2029 73:6 74:1137 75:171 76:286 77:790 78:798 79:318 80:951 81:837 82:586 83:376 84:577 85:972 86:399 87:726 88:338 89:1324 90:26 91:1456 92:255 93:861 94:134 96:64 97:68 98:323 99:7 114:97 115:44 116:1035 117:369 118:240 119:484 120:86 121:604 122:840 123:405 124:854 125:1243 128:355 129:204 130:134 131:409 132:70 133:9 134:178 135:34 136:217 137:92 138:141 139:101 140:506 141:102 142:407 143:296 144:362 145:51 146:382 147:157 148:517 149:294 150:128 151:181 152:148 153:143 154:10 155:284 156:175 157:298 158:163 159:301 160:273 161:139 162:255 163:155 164:516 165:502 166:383 167:331 168:629 169:143 170:458 171:33 172:10 173:33 188:1 189:634 190:2370 192:5804 193:4256 194:3355 195:2662 196:991 198:3738 199:3306 200:5956 201:1643 202:8224 203:8080 204:3941 205:2151 206:2425 207:2753 208:3681 209:3399 210:2988 211:1253 212:1438 213:1656 214:178 215:50 216:4338 217:1222 218:404 219:524 220:1066 221:427 222:444
End of report
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