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Routing Table Report 00:00 GMT Fri 27 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: 266541 Prefixes after maximum aggregation: 129693 Deaggregation factor: 2.06 Unique aggregates announced to Internet: 127119 Total ASes present in the Internet Routing Table: 28600 Prefixes per ASN: 9.32 Origin-only ASes present in the Internet Routing Table: 24839 Origin ASes announcing only one prefix: 12048 Transit ASes present in the Internet Routing Table: 3761 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: 27 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 635 Unregistered ASNs in the Routing Table: 237 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: 795 Number of addresses announced to Internet: 1884968628 Equivalent to 112 /8s, 90 /16s and 86 /24s Percentage of available address space announced: 50.9 Percentage of allocated address space announced: 61.8 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: 130694
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 61549 Total APNIC prefixes after maximum aggregation: 22147 APNIC Deaggregation factor: 2.78 Prefixes being announced from the APNIC address blocks: 58668 Unique aggregates announced from the APNIC address blocks: 24984 APNIC Region origin ASes present in the Internet Routing Table: 3288 APNIC Prefixes per ASN: 17.84 APNIC Region origin ASes announcing only one prefix: 887 APNIC Region transit ASes present in the Internet Routing Table: 523 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 27 Number of APNIC addresses announced to Internet: 359660704 Equivalent to 21 /8s, 111 /16s and 252 /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: 121341 Total ARIN prefixes after maximum aggregation: 66409 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 90222 Unique aggregates announced from the ARIN address blocks: 34862 ARIN Region origin ASes present in the Internet Routing Table: 12252 ARIN Prefixes per ASN: 7.36 ARIN Region origin ASes announcing only one prefix: 4740 ARIN Region transit ASes present in the Internet Routing Table: 1194 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 357015809 Equivalent to 21 /8s, 71 /16s and 161 /24s Percentage of available ARIN address space announced: 73.4
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: 56868 Total RIPE prefixes after maximum aggregation: 34264 RIPE Deaggregation factor: 1.66 Prefixes being announced from the RIPE address blocks: 52337 Unique aggregates announced from the RIPE address blocks: 34368 RIPE Region origin ASes present in the Internet Routing Table: 11545 RIPE Prefixes per ASN: 4.53 RIPE Region origin ASes announcing only one prefix: 6035 RIPE Region transit ASes present in the Internet Routing Table: 1763 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 361957696 Equivalent to 21 /8s, 147 /16s and 9 /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: 22082 Total LACNIC prefixes after maximum aggregation: 5154 LACNIC Deaggregation factor: 4.28 Prefixes being announced from the LACNIC address blocks: 20312 Unique aggregates announced from the LACNIC address blocks: 10514 LACNIC Region origin ASes present in the Internet Routing Table: 967 LACNIC Prefixes per ASN: 21.01 LACNIC Region origin ASes announcing only one prefix: 313 LACNIC Region transit ASes present in the Internet Routing Table: 161 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 27 Number of LACNIC addresses announced to Internet: 52752780 Equivalent to 3 /8s, 36 /16s and 241 /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: 4071 Total AfriNIC prefixes after maximum aggregation: 1205 AfriNIC Deaggregation factor: 3.38 Prefixes being announced from the AfriNIC address blocks: 4340 Unique aggregates announced from the AfriNIC address blocks: 1879 AfriNIC Region origin ASes present in the Internet Routing Table: 241 AfriNIC Prefixes per ASN: 18.01 AfriNIC Region origin ASes announcing only one prefix: 73 AfriNIC Region transit ASes present in the Internet Routing Table: 48 Average AfriNIC Region AS path length visible: 4.3 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC addresses announced to Internet: 12231424 Equivalent to 0 /8s, 186 /16s and 163 /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 1664 387 88 Videsh Sanchar Nigam Ltd. Aut 17488 1171 81 93 Hathway IP Over Cable Interne 9583 1161 111 419 Sify Limited 9498 1077 550 63 BHARTI BT INTERNET LTD. 4134 840 12947 326 CHINANET-BACKBONE 23577 833 33 738 Korea Telecom (ATM-MPLS) 4766 814 6005 344 Korea Telecom (KIX) 4780 708 351 63 Digital United Inc. 18101 686 167 34 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 2442 3137 186 bellsouth.net, inc. 2386 1495 649 884 AT&T Data Communications Serv 4323 1468 1044 375 Time Warner Telecom 3549 1436 540 207 Global Crossing 7018 1382 9908 959 AT&T WorldNet Services 11492 1231 150 12 Cable One 1803 1218 7 965 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 3320 319 7046 268 Deutsche Telekom AG 8866 319 77 21 Bulgarian Telecommunication C 5462 298 666 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 9155 267 46 12 QualityNet AS number
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 1652 231 67 Telecom Argentina Stet-France 8151 1268 2464 228 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 410 118 70 Servicios Alestra S.A de C.V 10620 397 101 68 TVCABLE BOGOTA 14117 374 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 474 61 29 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 135 10 12 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 2442 3137 186 bellsouth.net, inc. 4538 2088 3134 41 China Education and Research 4755 1664 387 88 Videsh Sanchar Nigam Ltd. Aut 7303 1652 231 67 Telecom Argentina Stet-France 2386 1495 649 884 AT&T Data Communications Serv 4323 1468 1044 375 Time Warner Telecom 3549 1436 540 207 Global Crossing 7018 1382 9908 959 AT&T WorldNet Services 8151 1268 2464 228 UniNet S.A. de C.V. 11492 1231 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 1652 1585 Telecom Argentina Stet-France 4755 1664 1576 Videsh Sanchar Nigam Ltd. Aut 3549 1436 1229 Global Crossing 11492 1231 1219 Cable One 4323 1468 1093 Time Warner Telecom 17488 1171 1078 Hathway IP Over Cable Interne 8151 1268 1040 UniNet S.A. de C.V. 18566 1045 1035 Covad Communications 9498 1077 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 /13:287 /14:520 /15:1046 /16:10041 /17:4376 /18:7404 /19:15660 /20:18449 /21:17952 /22:22955 /23:23574 /24:140123 /25:907 /26:1115 /27:379 /28:721 /29:359 /30:216 /31:0 /32:224
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 1509 2442 bellsouth.net, inc. 11492 1211 1231 Cable One 1803 1196 1218 SPRINT 2386 1190 1495 AT&T Data Communications Serv 7303 1155 1652 Telecom Argentina Stet-France 3549 1063 1436 Global Crossing 18566 1026 1045 Covad Communications 9583 1011 1161 Sify Limited 4755 1009 1664 Videsh Sanchar Nigam Ltd. Aut 17488 985 1171 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 8:119 12:2076 13:2 14:1 15:22 16:3 17:5 18:13 20:37 24:1075 25:1 32:199 38:444 40:92 41:646 43:1 44:2 47:12 52:3 55:3 56:3 57:48 58:534 59:529 60:448 61:1015 62:1216 63:1958 64:3525 65:2381 66:3588 67:1224 68:695 69:2279 70:685 71:121 72:1815 73:5 74:1025 75:159 76:315 77:734 78:703 79:199 80:954 81:847 82:627 83:398 84:583 85:1011 86:428 87:709 88:336 89:1291 90:14 91:1300 92:204 93:593 94:52 96:37 97:27 98:168 99:3 112:1 113:1 114:55 116:748 117:339 118:170 119:452 120:56 121:555 122:795 123:365 124:858 125:1152 128:362 129:205 130:131 131:409 132:67 133:9 134:177 135:33 136:220 137:87 138:146 139:99 140:491 141:99 142:415 143:305 144:367 145:51 146:376 147:154 148:511 149:197 150:130 151:191 152:134 153:143 154:11 155:277 156:174 157:275 158:186 159:240 160:276 161:115 162:239 163:187 164:523 165:460 166:336 167:328 168:626 169:136 170:453 171:30 172:10 189:263 190:2331 192:5799 193:4184 194:3265 195:2563 196:1054 198:3751 199:3276 200:5934 201:1614 202:8163 203:8027 204:3976 205:2142 206:2475 207:2796 208:3551 209:3581 210:2961 211:1212 212:1437 213:1642 214:146 215:49 216:4432 217:1201 218:396 219:499 220:1076 221:470 222:370
End of report
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