Routing Table Report 00:00 GMT Sun 06 Dec, 2009 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: 310575 Prefixes after maximum aggregation: 142928 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 98508 Total ASes present in the Internet Routing Table: 32881 Prefixes per ASN: 9.45 Origin-only ASes present in the Internet Routing Table: 28470 Origin ASes announcing only one prefix: 13891 Transit ASes present in the Internet Routing Table: 4411 Transit-only ASes present in the Internet Routing Table: 96 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 40 Max AS path prepend of ASN (22394) 36 Prefixes from unregistered ASNs in the Routing Table: 1262 Unregistered ASNs in the Routing Table: 222 Number of 32-bit ASNs allocated by the RIRs: 345 Prefixes from 32-bit ASNs in the Routing Table: 284 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 161 Number of addresses announced to Internet: 1199669231 Equivalent to 71 /8s, 129 /16s and 127 /24s Percentage of available address space announced: 32.4 Percentage of allocated address space announced: 36.7 Percentage of available address space allocated: 88.2 Percentage of address space in use by end-sites: 80.3 Total number of prefixes smaller than registry allocations: 149906 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 73666 Total APNIC prefixes after maximum aggregation: 25465 APNIC Deaggregation factor: 2.89 Prefixes being announced from the APNIC address blocks: 70463 Unique aggregates announced from the APNIC address blocks: 20664 APNIC Region origin ASes present in the Internet Routing Table: 3874 APNIC Prefixes per ASN: 18.19 APNIC Region origin ASes announcing only one prefix: 1057 APNIC Region transit ASes present in the Internet Routing Table: 600 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 224994048 Equivalent to 13 /8s, 105 /16s and 35 /24s Percentage of available APNIC address space announced: 37.3 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 110/8, 111/8, 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, 133/8, 175/8, 180/8, 182/8, 183/8, 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: 130257 Total ARIN prefixes after maximum aggregation: 67721 ARIN Deaggregation factor: 1.92 Prefixes being announced from the ARIN address blocks: 104538 Unique aggregates announced from the ARIN address blocks: 22260 ARIN Region origin ASes present in the Internet Routing Table: 13397 ARIN Prefixes per ASN: 7.80 ARIN Region origin ASes announcing only one prefix: 5181 ARIN Region transit ASes present in the Internet Routing Table: 1349 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 40 Number of ARIN addresses announced to Internet: 452511777 Equivalent to 26 /8s, 248 /16s and 200 /24s Percentage of available ARIN address space announced: 39.7 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 53248-55295, 393216-394239 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 52/8, 54/8, 55/8, 56/8, 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, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 72439 Total RIPE prefixes after maximum aggregation: 41360 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 65529 Unique aggregates announced from the RIPE address blocks: 19886 RIPE Region origin ASes present in the Internet Routing Table: 13871 RIPE Prefixes per ASN: 4.72 RIPE Region origin ASes announcing only one prefix: 7175 RIPE Region transit ASes present in the Internet Routing Table: 2144 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 105627945 Equivalent to 6 /8s, 75 /16s and 193 /24s Percentage of available RIPE address space announced: 19.7 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, 47104-52223, 196608-197631 RIPE Address Blocks 2/8, 25/8, 46/8, 51/8, 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, 109/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 27453 Total LACNIC prefixes after maximum aggregation: 6497 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 25755 Unique aggregates announced from the LACNIC address blocks: 13684 LACNIC Region origin ASes present in the Internet Routing Table: 1220 LACNIC Prefixes per ASN: 21.11 LACNIC Region origin ASes announcing only one prefix: 384 LACNIC Region transit ASes present in the Internet Routing Table: 199 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 68779024 Equivalent to 4 /8s, 25 /16s and 124 /24s Percentage of available LACNIC address space announced: 68.3 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 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: 5887 Total AfriNIC prefixes after maximum aggregation: 1570 AfriNIC Deaggregation factor: 3.75 Prefixes being announced from the AfriNIC address blocks: 4283 Unique aggregates announced from the AfriNIC address blocks: 1415 AfriNIC Region origin ASes present in the Internet Routing Table: 336 AfriNIC Prefixes per ASN: 12.75 AfriNIC Region origin ASes announcing only one prefix: 94 AfriNIC Region transit ASes present in the Internet Routing Table: 71 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 12729600 Equivalent to 0 /8s, 194 /16s and 61 /24s Percentage of available AfriNIC address space announced: 37.9 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 1587 7506 455 Korea Telecom (KIX) 17488 1458 143 132 Hathway IP Over Cable Interne 4755 1278 295 146 Videsh Sanchar Nigam Ltd. Aut 9583 1046 80 516 Sify Limited 18101 985 204 34 Reliance Infocom Ltd Internet 4134 957 19459 395 CHINANET-BACKBONE 7545 919 198 99 TPG Internet Pty Ltd 17974 864 270 57 PT TELEKOMUNIKASI INDONESIA 9829 850 673 24 BSNL National Internet Backbo 24560 806 293 176 Bharti Airtel 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 4230 3879 311 bellsouth.net, inc. 4323 3757 1068 399 Time Warner Telecom 20115 2146 1489 674 Charter Communications 1785 1780 699 135 AppliedTheory Corporation 7018 1572 5799 1021 AT&T WorldNet Services 2386 1289 616 938 AT&T Data Communications Serv 3356 1226 10949 436 Level 3 Communications, LLC 6478 1175 254 336 AT&T Worldnet Services 11492 1145 222 14 Cable One 22773 1125 2600 66 Cox Communications, Inc. 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 30890 517 98 208 Evolva Telecom 9198 471 138 12 Kazakhtelecom Corporate Sales 3292 451 1906 393 TDC Tele Danmark 9116 442 296 30 Goldenlines main autonomous s 35805 427 40 5 United Telecom AS 702 417 1837 335 UUNET - Commercial IP service 8866 380 110 23 Bulgarian Telecommunication C 8551 379 354 41 Bezeq International 3301 374 1411 303 TeliaNet Sweden 3320 358 7068 304 Deutsche Telekom AG 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 8151 1582 2899 230 Uninet S.A. de C.V. 28573 1009 667 91 Types of queries are: POCs, o 10620 995 223 141 TVCABLE BOGOTA 7303 666 351 96 Telecom Argentina Stet-France 22047 546 302 14 Types of queries are: POCs, o 11830 474 308 59 Instituto Costarricense de El 7738 452 858 29 Telecomunicacoes da Bahia S.A 11172 447 99 71 Alestra 14117 437 29 11 Telefonica del Sur S.A. 3816 425 193 71 COLOMBIA TELECOMUNICACIONES S 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 8452 957 188 7 TEDATA 24863 755 127 72 LINKdotNET AS number 3741 273 857 233 The Internet Solution 2018 179 195 101 TENET-1 6713 175 167 12 Itissalat Al-MAGHRIB 29571 150 15 8 Ci Telecom Autonomous system 29975 134 506 15 Vodacom 33776 124 7 11 Starcomms Nigeria Limited 5536 121 8 18 Internet Egypt Network 5713 117 508 67 Telkom SA Ltd 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 4230 3879 311 bellsouth.net, inc. 4323 3757 1068 399 Time Warner Telecom 20115 2146 1489 674 Charter Communications 1785 1780 699 135 AppliedTheory Corporation 4766 1587 7506 455 Korea Telecom (KIX) 8151 1582 2899 230 Uninet S.A. de C.V. 7018 1572 5799 1021 AT&T WorldNet Services 17488 1458 143 132 Hathway IP Over Cable Interne 2386 1289 616 938 AT&T Data Communications Serv 4755 1278 295 146 Videsh Sanchar Nigam Ltd. Aut Complete listing at http://thyme.apnic.net/rviews/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 3757 3358 Time Warner Telecom 1785 1780 1645 AppliedTheory Corporation 20115 2146 1472 Charter Communications 8151 1582 1352 Uninet S.A. de C.V. 17488 1458 1326 Hathway IP Over Cable Interne 4766 1587 1132 Korea Telecom (KIX) 4755 1278 1132 Videsh Sanchar Nigam Ltd. Aut 11492 1145 1131 Cable One 22773 1125 1059 Cox Communications, Inc. 18566 1059 1049 Covad Communications 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 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 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 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic 32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic 25639 UNALLOCATED 12.41.169.0/24 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 10.29.248.71/32 286 KPNQwest Backbone AS Complete listing at http://thyme.apnic.net/rviews/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 2.0.0.0/16 12654 RIPE NCC RIS Project 2.1.0.0/21 12654 RIPE NCC RIS Project 2.1.24.0/24 12654 RIPE NCC RIS Project 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 46.0.0.0/16 12654 RIPE NCC RIS Project 46.1.0.0/21 12654 RIPE NCC RIS Project 46.1.24.0/24 12654 RIPE NCC RIS Project 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 /8:22 /9:10 /10:25 /11:65 /12:180 /13:356 /14:644 /15:1227 /16:10811 /17:5103 /18:8700 /19:18089 /20:21803 /21:21888 /22:28168 /23:28138 /24:161247 /25:739 /26:983 /27:395 /28:450 /29:749 /30:504 /31:3 /32:276 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2767 4230 bellsouth.net, inc. 4323 2367 3757 Time Warner Telecom 4766 1268 1587 Korea Telecom (KIX) 1785 1247 1780 AppliedTheory Corporation 17488 1224 1458 Hathway IP Over Cable Interne 20115 1148 2146 Charter Communications 11492 1067 1145 Cable One 18566 1040 1059 Covad Communications 7018 951 1572 AT&T WorldNet Services 10620 901 995 TVCABLE BOGOTA Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1 2:1 4:13 8:238 12:2067 13:8 15:22 16:3 17:5 20:37 24:1320 32:151 38:623 40:99 41:1773 43:1 44:3 46:1 47:21 52:6 55:2 56:2 57:36 58:647 59:613 60:444 61:979 62:970 63:2018 64:3775 65:2370 66:4151 67:1782 68:1040 69:2816 70:687 71:246 72:1904 73:2 74:2028 75:200 76:360 77:852 78:606 79:407 80:958 81:817 82:509 83:459 84:537 85:1026 86:394 87:698 88:444 89:1591 90:59 91:2662 92:443 93:1157 94:1300 95:833 96:201 97:279 98:442 99:27 109:179 110:279 111:480 112:152 113:192 114:287 115:395 116:1096 117:594 118:366 119:802 120:143 121:705 122:1305 123:796 124:1024 125:1359 128:213 129:201 130:133 131:460 132:82 133:16 134:181 135:41 136:230 137:167 138:240 139:93 140:458 141:122 142:381 143:337 144:377 145:53 146:390 147:164 148:561 149:191 150:148 151:171 152:221 153:161 154:2 155:271 156:167 157:320 158:97 159:359 160:294 161:174 162:270 163:162 164:314 165:471 166:491 167:392 168:754 169:159 170:592 171:42 172:1 173:384 174:431 180:205 183:160 184:1 186:235 187:188 188:1378 189:700 190:3396 192:5761 193:4341 194:3400 195:2889 196:1182 198:3580 199:3384 200:5271 201:1466 202:8104 203:8294 204:3988 205:2162 206:2414 207:3051 208:3976 209:3410 210:2554 211:1179 212:1691 213:1675 214:229 215:57 216:4470 217:1371 218:484 219:452 220:1141 221:449 222:300 End of report