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Routing Table Report 00:00 GMT Sat 28 Jun, 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: 266632 Prefixes after maximum aggregation: 129632 Deaggregation factor: 2.06 Unique aggregates announced to Internet: 127087 Total ASes present in the Internet Routing Table: 28603 Prefixes per ASN: 9.32 Origin-only ASes present in the Internet Routing Table: 24940 Origin ASes announcing only one prefix: 12043 Transit ASes present in the Internet Routing Table: 3663 Transit-only ASes present in the Internet Routing Table: 82 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 28 Max AS path prepend of ASN (13791) 17 Prefixes from unregistered ASNs in the Routing Table: 624 Unregistered ASNs in the Routing Table: 233 Number of 32-bit ASNs allocated by the RIRs: 48 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 5 Prefixes being announced from unallocated address space: 797 Number of addresses announced to Internet: 1883135924 Equivalent to 112 /8s, 62 /16s and 95 /24s Percentage of available address space announced: 50.8 Percentage of allocated address space announced: 61.7 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 72.4 Total number of prefixes smaller than registry allocations: 130758
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 61603 Total APNIC prefixes after maximum aggregation: 22153 APNIC Deaggregation factor: 2.78 Prefixes being announced from the APNIC address blocks: 58728 Unique aggregates announced from the APNIC address blocks: 24958 APNIC Region origin ASes present in the Internet Routing Table: 3289 APNIC Prefixes per ASN: 17.86 APNIC Region origin ASes announcing only one prefix: 887 APNIC Region transit ASes present in the Internet Routing Table: 516 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 359906208 Equivalent to 21 /8s, 115 /16s and 187 /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, 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: 121325 Total ARIN prefixes after maximum aggregation: 66291 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 90220 Unique aggregates announced from the ARIN address blocks: 34823 ARIN Region origin ASes present in the Internet Routing Table: 12253 ARIN Prefixes per ASN: 7.36 ARIN Region origin ASes announcing only one prefix: 4738 ARIN Region transit ASes present in the Internet Routing Table: 1169 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 355376385 Equivalent to 21 /8s, 46 /16s and 157 /24s Percentage of available ARIN address space announced: 73.0
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: 56952 Total RIPE prefixes after maximum aggregation: 34287 RIPE Deaggregation factor: 1.66 Prefixes being announced from the RIPE address blocks: 52420 Unique aggregates announced from the RIPE address blocks: 34406 RIPE Region origin ASes present in the Internet Routing Table: 11548 RIPE Prefixes per ASN: 4.54 RIPE Region origin ASes announcing only one prefix: 6032 RIPE Region transit ASes present in the Internet Routing Table: 1707 Average RIPE Region AS path length visible: 3.8 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 362039360 Equivalent to 21 /8s, 148 /16s and 72 /24s Percentage of available RIPE address space announced: 83.0
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, 47104-48127 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: 22056 Total LACNIC prefixes after maximum aggregation: 5183 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 20297 Unique aggregates announced from the LACNIC address blocks: 10524 LACNIC Region origin ASes present in the Internet Routing Table: 968 LACNIC Prefixes per ASN: 20.97 LACNIC Region origin ASes announcing only one prefix: 310 LACNIC Region transit ASes present in the Internet Routing Table: 160 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 28 Number of LACNIC addresses announced to Internet: 52740236 Equivalent to 3 /8s, 36 /16s and 192 /24s Percentage of available LACNIC address space announced: 52.4
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: 4080 Total AfriNIC prefixes after maximum aggregation: 1210 AfriNIC Deaggregation factor: 3.37 Prefixes being announced from the AfriNIC address blocks: 4354 Unique aggregates announced from the AfriNIC address blocks: 1888 AfriNIC Region origin ASes present in the Internet Routing Table: 243 AfriNIC Prefixes per ASN: 17.92 AfriNIC Region origin ASes announcing only one prefix: 76 AfriNIC Region transit ASes present in the Internet Routing Table: 47 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 12235264 Equivalent to 0 /8s, 186 /16s and 178 /24s Percentage of available AfriNIC address space announced: 36.5
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 2088 3134 41 China Education and Research 4755 1663 387 87 Videsh Sanchar Nigam Ltd. Aut 17488 1188 82 91 Hathway IP Over Cable Interne 9583 1161 110 419 Sify Limited 9498 1076 550 62 BHARTI BT INTERNET LTD. 4134 842 12995 328 CHINANET-BACKBONE 23577 834 34 739 Korea Telecom (ATM-MPLS) 4766 814 6005 344 Korea Telecom (KIX) 4780 709 351 63 Digital United Inc. 18101 688 167 35 Reliance Infocom Ltd Internet
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 2671 3260 199 bellsouth.net, inc. 2386 1495 649 885 AT&T Data Communications Serv 4323 1470 1045 377 Time Warner Telecom 3549 1433 540 207 Global Crossing 7018 1389 9910 966 AT&T WorldNet Services 11492 1232 150 12 Cable One 1803 1219 7 966 SPRINT 1785 1080 510 104 AppliedTheory Corporation 20115 1048 1068 561 Charter Communications 18566 1045 296 10 Covad 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 1788 373 TDC Tele Danmark 8452 344 188 11 TEDATA 3301 335 1460 305 TeliaNet Sweden 8866 319 77 21 Bulgarian Telecommunication C 3320 318 7046 267 Deutsche Telekom AG 5462 308 666 27 Telewest Broadband 8551 287 269 38 Bezeq International 3215 286 2742 89 France Telecom Transpac 680 274 2047 264 DFN-IP service G-WiN 6746 268 126 243 Dynamic Network Technologies,
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 1661 231 66 Telecom Argentina Stet-France 8151 1273 2464 227 UniNet S.A. de C.V. 11830 604 299 9 Instituto Costarricense de El 22047 565 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 411 85 48 ENTEL CHILE S.A. 11172 408 118 70 Servicios Alestra S.A de C.V 10620 397 101 68 TVCABLE BOGOTA 14117 375 23 9 Telefonica del Sur S.A. 16735 372 92 11 Companhia de Telecomunicacoes
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 475 61 30 LINKdotNET AS number 20858 397 34 3 EgyNet 3741 277 853 224 The Internet Solution 2018 201 205 85 Tertiary Education Network 5713 156 558 94 Telkom SA Ltd 6713 144 135 11 Itissalat Al-MAGHRIB 33783 133 9 17 EEPAD TISP TELECOM & INTERNET 5536 121 8 16 Internet Egypt Network 29571 102 13 8 Ci Telecom Autonomous system 33776 100 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 2671 3260 199 bellsouth.net, inc. 4538 2088 3134 41 China Education and Research 4755 1663 387 87 Videsh Sanchar Nigam Ltd. Aut 7303 1661 231 66 Telecom Argentina Stet-France 2386 1495 649 885 AT&T Data Communications Serv 4323 1470 1045 377 Time Warner Telecom 3549 1433 540 207 Global Crossing 7018 1389 9910 966 AT&T WorldNet Services 8151 1273 2464 227 UniNet S.A. de C.V. 11492 1232 150 12 Cable One
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4538 2088 2047 China Education and Research 7303 1661 1595 Telecom Argentina Stet-France 4755 1663 1576 Videsh Sanchar Nigam Ltd. Aut 3549 1433 1226 Global Crossing 11492 1232 1220 Cable One 17488 1188 1097 Hathway IP Over Cable Interne 4323 1470 1093 Time Warner Telecom 8151 1273 1046 UniNet S.A. de C.V. 18566 1045 1035 Covad Communications 9498 1076 1014 BHARTI BT INTERNET LTD.
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 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 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
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 24.48.244.0/23 7843 Adelphia Corp. 24.51.159.0/24 7843 Adelphia Corp. 24.54.23.0/24 7843 Adelphia Corp. 24.54.224.0/19 20001 HoldCo LLC - Road Runner 24.75.160.0/19 7843 Adelphia Corp. 24.75.192.0/18 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
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 /10:16 /11:45 /12:144 /13:286 /14:519 /15:1046 /16:10026 /17:4372 /18:7403 /19:15662 /20:18452 /21:17973 /22:22969 /23:23591 /24:140183 /25:906 /26:1114 /27:377 /28:721 /29:360 /30:216 /31:0 /32:223
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 1670 2671 bellsouth.net, inc. 11492 1212 1232 Cable One 1803 1197 1219 SPRINT 2386 1190 1495 AT&T Data Communications Serv 7303 1164 1661 Telecom Argentina Stet-France 3549 1064 1433 Global Crossing 18566 1026 1045 Covad Communications 9583 1012 1161 Sify Limited 4755 1009 1663 Videsh Sanchar Nigam Ltd. Aut 17488 1002 1188 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:7 8:120 12:2078 13:2 14:1 15:22 16:3 17:5 18:13 20:37 24:1072 25:1 32:200 38:447 40:92 41:646 43:1 44:2 47:12 52:3 55:3 56:3 57:48 58:534 59:530 60:448 61:1016 62:1212 63:1961 64:3533 65:2385 66:3583 67:1225 68:694 69:2279 70:686 71:121 72:1818 73:5 74:1029 75:160 76:315 77:741 78:706 79:199 80:955 81:849 82:625 83:398 84:577 85:1021 86:416 87:711 88:336 89:1291 90:14 91:1309 92:204 93:596 94:52 96:37 97:27 98:168 99:3 112:1 113:1 114:58 116:764 117:340 118:183 119:447 120:55 121:557 122:795 123:365 124:860 125:1158 128:362 129:205 130:131 131:409 132:67 133:9 134:177 135:33 136:220 137:87 138:145 139:100 140:485 141:99 142:415 143:304 144:365 145:51 146:371 147:154 148:508 149:199 150:130 151:191 152:134 153:143 154:11 155:277 156:174 157:278 158:186 159:240 160:276 161:115 162:240 163:187 164:523 165:461 166:334 167:327 168:626 169:136 170:453 171:30 172:10 189:263 190:2298 192:5795 193:4184 194:3266 195:2572 196:1062 198:3734 199:3278 200:5941 201:1623 202:8171 203:8021 204:3978 205:2144 206:2477 207:2794 208:3558 209:3579 210:2957 211:1212 212:1443 213:1645 214:148 215:49 216:4430 217:1205 218:390 219:499 220:1075 221:471 222:372
End of report
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