Routing Table Report 00:00 GMT Wed 27 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: 274698 Prefixes after maximum aggregation: 131067 Deaggregation factor: 2.10 Unique aggregates announced to Internet: 129585 Total ASes present in the Internet Routing Table: 29147 Prefixes per ASN: 9.42 Origin-only ASes present in the Internet Routing Table: 25212 Origin ASes announcing only one prefix: 12263 Transit ASes present in the Internet Routing Table: 3935 Transit-only ASes present in the Internet Routing Table: 101 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 29 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 584 Unregistered ASNs in the Routing Table: 224 Number of 32-bit ASNs allocated by the RIRs: 58 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: 783 Number of addresses announced to Internet: 1915350332 Equivalent to 114 /8s, 41 /16s and 237 /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: 73.3 Total number of prefixes smaller than registry allocations: 136261 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 64406 Total APNIC prefixes after maximum aggregation: 22649 APNIC Deaggregation factor: 2.84 Prefixes being announced from the APNIC address blocks: 61473 Unique aggregates announced from the APNIC address blocks: 25732 APNIC Region origin ASes present in the Internet Routing Table: 3355 APNIC Prefixes per ASN: 18.32 APNIC Region origin ASes announcing only one prefix: 897 APNIC Region transit ASes present in the Internet Routing Table: 538 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 374397856 Equivalent to 22 /8s, 80 /16s and 219 /24s Percentage of available APNIC address space announced: 79.7 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: 123573 Total ARIN prefixes after maximum aggregation: 66382 ARIN Deaggregation factor: 1.86 Prefixes being announced from the ARIN address blocks: 91859 Unique aggregates announced from the ARIN address blocks: 35127 ARIN Region origin ASes present in the Internet Routing Table: 12424 ARIN Prefixes per ASN: 7.39 ARIN Region origin ASes announcing only one prefix: 4766 ARIN Region transit ASes present in the Internet Routing Table: 1256 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 363330305 Equivalent to 21 /8s, 167 /16s and 251 /24s Percentage of available ARIN address space announced: 74.7 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: 58576 Total RIPE prefixes after maximum aggregation: 35051 RIPE Deaggregation factor: 1.67 Prefixes being announced from the RIPE address blocks: 53953 Unique aggregates announced from the RIPE address blocks: 35399 RIPE Region origin ASes present in the Internet Routing Table: 11811 RIPE Prefixes per ASN: 4.57 RIPE Region origin ASes announcing only one prefix: 6199 RIPE Region transit ASes present in the Internet Routing Table: 1850 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 29 Number of RIPE addresses announced to Internet: 369882752 Equivalent to 22 /8s, 11 /16s and 246 /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: 23506 Total LACNIC prefixes after maximum aggregation: 5267 LACNIC Deaggregation factor: 4.46 Prefixes being announced from the LACNIC address blocks: 21766 Unique aggregates announced from the LACNIC address blocks: 10767 LACNIC Region origin ASes present in the Internet Routing Table: 990 LACNIC Prefixes per ASN: 21.99 LACNIC Region origin ASes announcing only one prefix: 317 LACNIC Region transit ASes present in the Internet Routing Table: 168 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 28 Number of LACNIC addresses announced to Internet: 54643220 Equivalent to 3 /8s, 65 /16s and 202 /24s Percentage of available LACNIC address space announced: 54.3 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: 4054 Total AfriNIC prefixes after maximum aggregation: 1241 AfriNIC Deaggregation factor: 3.27 Prefixes being announced from the AfriNIC address blocks: 4402 Unique aggregates announced from the AfriNIC address blocks: 1905 AfriNIC Region origin ASes present in the Internet Routing Table: 255 AfriNIC Prefixes per ASN: 17.26 AfriNIC Region origin ASes announcing only one prefix: 84 AfriNIC Region transit ASes present in the Internet Routing Table: 51 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC addresses announced to Internet: 12687360 Equivalent to 0 /8s, 193 /16s and 152 /24s Percentage of available AfriNIC address space announced: 37.8 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 1716 578 91 Videsh Sanchar Nigam Ltd. Aut 17488 1364 88 103 Hathway IP Over Cable Interne 9583 1157 93 470 Sify Limited 4134 851 13619 341 CHINANET-BACKBONE 4766 841 6407 356 Korea Telecom (KIX) 23577 824 33 729 Korea Telecom (ATM-MPLS) 4780 722 353 61 Digital United Inc. 18101 695 167 33 Reliance Infocom Ltd Internet 9498 677 291 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 4068 3417 332 bellsouth.net, inc. 6298 2005 322 708 Cox Communicatons 1785 1651 710 155 AppliedTheory Corporation 2386 1514 692 901 AT&T Data Communications Serv 4323 1496 1073 374 Time Warner Telecom 3549 1450 539 210 Global Crossing 7018 1426 9890 988 AT&T WorldNet Services 1803 1273 8 1005 SPRINT 11492 1214 151 22 Cable One 6478 1136 239 175 AT&T Worldnet 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 3292 417 1776 372 TDC Tele Danmark 3215 396 2756 106 France Telecom Transpac 8452 359 188 11 TEDATA 3301 333 1444 304 TeliaNet Sweden 3320 322 7047 270 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 1693 235 68 Telecom Argentina Stet-France 8151 1523 2590 225 UniNet S.A. de C.V. 8167 668 593 43 TELESC - Telecomunicacoes de 11830 664 299 9 Instituto Costarricense de El 22047 563 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 421 85 48 ENTEL CHILE S.A. 10620 415 102 71 TVCABLE BOGOTA 16735 413 92 12 Companhia de Telecomunicacoes 11172 408 118 71 Servicios Alestra S.A de C.V 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 505 64 33 LINKdotNET AS number 20858 402 34 3 EgyNet 3741 265 855 223 The Internet Solution 2018 228 214 135 Tertiary Education Network 6713 144 135 11 Itissalat Al-MAGHRIB 33783 136 10 13 EEPAD TISP TELECOM & INTERNET 5536 126 16 8 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 4068 3417 332 bellsouth.net, inc. 4538 3301 3214 44 China Education and Research 6298 2005 322 708 Cox Communicatons 4755 1716 578 91 Videsh Sanchar Nigam Ltd. Aut 7303 1693 235 68 Telecom Argentina Stet-France 1785 1651 710 155 AppliedTheory Corporation 8151 1523 2590 225 UniNet S.A. de C.V. 2386 1514 692 901 AT&T Data Communications Serv 4323 1496 1073 374 Time Warner Telecom 3549 1450 539 210 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 4755 1716 1625 Videsh Sanchar Nigam Ltd. Aut 7303 1693 1625 Telecom Argentina Stet-France 1785 1651 1496 AppliedTheory Corporation 8151 1523 1298 UniNet S.A. de C.V. 6298 2005 1297 Cox Communicatons 17488 1364 1261 Hathway IP Over Cable Interne 3549 1450 1240 Global Crossing 11492 1214 1192 Cable One 4323 1496 1122 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 7018 AT&T WorldNet Servic 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 24.75.160.0/19 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 /13:298 /14:539 /15:1073 /16:10142 /17:4437 /18:7664 /19:16081 /20:19104 /21:18538 /22:23964 /23:24816 /24:143401 /25:868 /26:1117 /27:386 /28:738 /29:843 /30:226 /31:0 /32:225 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2709 4068 bellsouth.net, inc. 6298 1978 2005 Cox Communicatons 4538 1760 3301 China Education and Research 1803 1251 1273 SPRINT 7303 1197 1693 Telecom Argentina Stet-France 11492 1195 1214 Cable One 2386 1191 1514 AT&T Data Communications Serv 17488 1172 1364 Hathway IP Over Cable Interne 1785 1118 1651 AppliedTheory Corporation 3549 1086 1450 Global Crossing Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 8:137 12:2156 13:2 14:1 15:22 16:3 17:5 18:13 20:37 24:1082 32:197 38:490 40:92 41:707 43:1 44:2 47:12 50:1 52:3 55:3 56:3 57:47 58:567 59:584 60:471 61:995 62:1256 63:1982 64:3421 65:2359 66:3466 67:1229 68:781 69:2301 70:865 71:135 72:2027 73:7 74:1119 75:166 76:325 77:777 78:826 79:235 80:969 81:874 82:594 83:384 84:580 85:981 86:402 87:729 88:340 89:1334 90:43 91:1436 92:255 93:847 94:111 96:59 97:63 98:315 99:6 114:98 115:37 116:1000 117:352 118:205 119:479 120:88 121:595 122:826 123:402 124:843 125:1238 128:355 129:205 130:134 131:412 132:69 133:9 134:188 135:33 136:223 137:94 138:141 139:101 140:510 141:104 142:406 143:349 144:399 145:51 146:383 147:157 148:515 149:203 150:129 151:183 152:148 153:143 154:10 155:278 156:175 157:290 158:163 159:251 160:273 161:135 162:267 163:156 164:518 165:468 166:380 167:333 168:630 169:141 170:453 171:33 172:10 173:33 188:1 189:550 190:2355 192:5812 193:4241 194:3299 195:2633 196:1028 198:3746 199:3318 200:5964 201:1704 202:8206 203:8105 204:3958 205:2158 206:2451 207:2777 208:3656 209:3409 210:2989 211:1247 212:1457 213:1618 214:177 215:50 216:4368 217:1217 218:403 219:517 220:1065 221:437 222:441 End of report