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Routing Table Report 00:00 GMT Sat 16 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: 273144 Prefixes after maximum aggregation: 131011 Deaggregation factor: 2.08 Unique aggregates announced to Internet: 129132 Total ASes present in the Internet Routing Table: 28993 Prefixes per ASN: 9.42 Origin-only ASes present in the Internet Routing Table: 25187 Origin ASes announcing only one prefix: 12208 Transit ASes present in the Internet Routing Table: 3806 Transit-only ASes present in the Internet Routing Table: 85 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 26 Max AS path prepend of ASN (13791) 17 Prefixes from unregistered ASNs in the Routing Table: 594 Unregistered ASNs in the Routing Table: 224 Number of 32-bit ASNs allocated by the RIRs: 57 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: 833 Number of addresses announced to Internet: 1910292116 Equivalent to 113 /8s, 220 /16s and 190 /24s Percentage of available address space announced: 51.5 Percentage of allocated address space announced: 62.6 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.2 Total number of prefixes smaller than registry allocations: 135247
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 64117 Total APNIC prefixes after maximum aggregation: 22623 APNIC Deaggregation factor: 2.83 Prefixes being announced from the APNIC address blocks: 61194 Unique aggregates announced from the APNIC address blocks: 25807 APNIC Region origin ASes present in the Internet Routing Table: 3333 APNIC Prefixes per ASN: 18.36 APNIC Region origin ASes announcing only one prefix: 886 APNIC Region transit ASes present in the Internet Routing Table: 530 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 371809184 Equivalent to 22 /8s, 41 /16s and 91 /24s Percentage of available APNIC address space announced: 79.1
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: 122911 Total ARIN prefixes after maximum aggregation: 66467 ARIN Deaggregation factor: 1.85 Prefixes being announced from the ARIN address blocks: 91327 Unique aggregates announced from the ARIN address blocks: 34835 ARIN Region origin ASes present in the Internet Routing Table: 12377 ARIN Prefixes per ASN: 7.38 ARIN Region origin ASes announcing only one prefix: 4763 ARIN Region transit ASes present in the Internet Routing Table: 1211 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 362072833 Equivalent to 21 /8s, 148 /16s and 203 /24s Percentage of available ARIN address space announced: 74.4
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: 58131 Total RIPE prefixes after maximum aggregation: 34892 RIPE Deaggregation factor: 1.67 Prefixes being announced from the RIPE address blocks: 53515 Unique aggregates announced from the RIPE address blocks: 35178 RIPE Region origin ASes present in the Internet Routing Table: 11749 RIPE Prefixes per ASN: 4.55 RIPE Region origin ASes announcing only one prefix: 6166 RIPE Region transit ASes present in the Internet Routing Table: 1800 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 369133056 Equivalent to 22 /8s, 0 /16s and 134 /24s Percentage of available RIPE address space announced: 84.6
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: 23399 Total LACNIC prefixes after maximum aggregation: 5314 LACNIC Deaggregation factor: 4.40 Prefixes being announced from the LACNIC address blocks: 21654 Unique aggregates announced from the LACNIC address blocks: 10791 LACNIC Region origin ASes present in the Internet Routing Table: 984 LACNIC Prefixes per ASN: 22.01 LACNIC Region origin ASes announcing only one prefix: 312 LACNIC Region transit ASes present in the Internet Routing Table: 170 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 54412780 Equivalent to 3 /8s, 62 /16s and 69 /24s Percentage of available LACNIC address space announced: 54.1
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: 3992 Total AfriNIC prefixes after maximum aggregation: 1234 AfriNIC Deaggregation factor: 3.24 Prefixes being announced from the AfriNIC address blocks: 4345 Unique aggregates announced from the AfriNIC address blocks: 1866 AfriNIC Region origin ASes present in the Internet Routing Table: 252 AfriNIC Prefixes per ASN: 17.24 AfriNIC Region origin ASes announcing only one prefix: 81 AfriNIC Region transit ASes present in the Internet Routing Table: 49 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 12721152 Equivalent to 0 /8s, 194 /16s and 28 /24s Percentage of available AfriNIC address space announced: 37.9
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 3294 3134 41 China Education and Research 4755 1701 579 93 Videsh Sanchar Nigam Ltd. Aut 17488 1300 89 99 Hathway IP Over Cable Interne 9583 1177 92 494 Sify Limited 4134 849 13523 339 CHINANET-BACKBONE 4766 829 6390 352 Korea Telecom (KIX) 23577 825 33 730 Korea Telecom (ATM-MPLS) 4780 719 353 61 Digital United Inc. 18101 692 167 33 Reliance Infocom Ltd Internet 9498 673 291 54 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 3197 3358 208 bellsouth.net, inc. 6298 2004 323 731 Cox Communicatons 2386 1560 677 907 AT&T Data Communications Serv 4323 1489 1076 378 Time Warner Telecom 1785 1454 478 100 AppliedTheory Corporation 3549 1443 539 212 Global Crossing 7018 1414 9919 982 AT&T WorldNet Services 1803 1262 7 1000 SPRINT 11492 1214 151 22 Cable One 20115 1113 1080 573 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 418 1776 373 TDC Tele Danmark 3215 395 2756 106 France Telecom Transpac 8452 357 188 11 TEDATA 3301 332 1444 303 TeliaNet Sweden 3320 322 7047 270 Deutsche Telekom AG 8866 317 77 21 Bulgarian Telecommunication C 5462 307 666 27 Telewest Broadband 8551 289 270 39 Bezeq International 1257 278 1131 203 SWIPnet Swedish IP Network 680 274 2047 264 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 1700 236 65 Telecom Argentina Stet-France 8151 1494 2543 212 UniNet S.A. de C.V. 8167 667 593 43 TELESC - Telecomunicacoes de 11830 664 299 9 Instituto Costarricense de El 22047 565 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 417 85 48 ENTEL CHILE S.A. 16735 409 92 12 Companhia de Telecomunicacoes 11172 404 86 68 Servicios Alestra S.A de C.V 10620 371 99 90 TVCABLE BOGOTA
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 495 64 27 LINKdotNET AS number 20858 402 34 3 EgyNet 3741 265 855 223 The Internet Solution 2018 211 213 130 Tertiary Education Network 6713 144 135 11 Itissalat Al-MAGHRIB 33783 136 10 13 EEPAD TISP TELECOM & INTERNET 5713 129 540 74 Telkom SA Ltd 5536 120 8 17 Internet Egypt Network 33776 119 6 3 Starcomms Nigeria Limited 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 4538 3294 3134 41 China Education and Research 6389 3197 3358 208 bellsouth.net, inc. 6298 2004 323 731 Cox Communicatons 4755 1701 579 93 Videsh Sanchar Nigam Ltd. Aut 7303 1700 236 65 Telecom Argentina Stet-France 2386 1560 677 907 AT&T Data Communications Serv 8151 1494 2543 212 UniNet S.A. de C.V. 4323 1489 1076 378 Time Warner Telecom 1785 1454 478 100 AppliedTheory Corporation 3549 1443 539 212 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 6389 3197 2989 bellsouth.net, inc. 7303 1700 1635 Telecom Argentina Stet-France 4755 1701 1608 Videsh Sanchar Nigam Ltd. Aut 1785 1454 1354 AppliedTheory Corporation 8151 1494 1282 UniNet S.A. de C.V. 6298 2004 1273 Cox Communicatons 3549 1443 1231 Global Crossing 17488 1300 1201 Hathway IP Over Cable Interne 11492 1214 1192 Cable One 4323 1489 1111 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 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 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 24.51.159.0/24 7843 Adelphia Corp. 24.53.86.0/24 7843 Adelphia Corp. 24.54.224.0/19 20001 HoldCo LLC - Road Runner 24.55.0.0/18 20001 HoldCo 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
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 /14:534 /15:1064 /16:10124 /17:4402 /18:7605 /19:16010 /20:19025 /21:18388 /22:23763 /23:24596 /24:142673 /25:873 /26:1137 /27:388 /28:737 /29:840 /30:225 /31:0 /32:224
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2034 3197 bellsouth.net, inc. 6298 1977 2004 Cox Communicatons 4538 1759 3294 China Education and Research 1803 1240 1262 SPRINT 2386 1239 1560 AT&T Data Communications Serv 7303 1203 1700 Telecom Argentina Stet-France 11492 1195 1214 Cable One 17488 1107 1300 Hathway IP Over Cable Interne 3549 1080 1443 Global Crossing 1785 1069 1454 AppliedTheory Corporation
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:133 12:2119 13:2 14:2 15:22 16:3 17:5 18:13 20:37 24:1085 32:197 38:483 40:92 41:697 43:1 44:2 47:12 50:1 52:3 55:3 56:3 57:48 58:559 59:578 60:452 61:995 62:1248 63:1961 64:3388 65:2357 66:3446 67:1222 68:766 69:2286 70:864 71:132 72:2037 73:7 74:1101 75:166 76:319 77:758 78:817 79:225 80:979 81:872 82:624 83:386 84:573 85:983 86:400 87:717 88:339 89:1318 90:39 91:1423 92:243 93:808 94:109 96:54 97:51 98:307 99:3 114:90 115:40 116:962 117:346 118:198 119:460 120:75 121:606 122:819 123:379 124:894 125:1230 128:354 129:204 130:135 131:410 132:70 133:9 134:188 135:33 136:217 137:94 138:145 139:101 140:478 141:103 142:407 143:338 144:401 145:51 146:384 147:156 148:516 149:200 150:129 151:182 152:148 153:143 154:10 155:278 156:173 157:290 158:166 159:294 160:273 161:119 162:263 163:155 164:518 165:461 166:378 167:334 168:629 169:138 170:451 171:33 172:10 173:12 188:1 189:515 190:2344 192:5807 193:4222 194:3283 195:2609 196:1003 198:3732 199:3313 200:5976 201:1706 202:8224 203:8075 204:3961 205:2153 206:2452 207:2773 208:3641 209:3392 210:2964 211:1239 212:1442 213:1625 214:180 215:50 216:4334 217:1212 218:404 219:517 220:1064 221:457 222:440
End of report
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