Routing Table Report 04:00 +10GMT Mon 12 Aug, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 462727 Prefixes after maximum aggregation: 186882 Deaggregation factor: 2.48 Unique aggregates announced to Internet: 229188 Total ASes present in the Internet Routing Table: 44666 Prefixes per ASN: 10.36 Origin-only ASes present in the Internet Routing Table: 34959 Origin ASes announcing only one prefix: 16186 Transit ASes present in the Internet Routing Table: 5874 Transit-only ASes present in the Internet Routing Table: 157 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 29 Max AS path prepend of ASN ( 36992) 22 Prefixes from unregistered ASNs in the Routing Table: 4216 Unregistered ASNs in the Routing Table: 1461 Number of 32-bit ASNs allocated by the RIRs: 4943 Number of 32-bit ASNs visible in the Routing Table: 3833 Prefixes from 32-bit ASNs in the Routing Table: 11580 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 270 Number of addresses announced to Internet: 2633133004 Equivalent to 156 /8s, 242 /16s and 107 /24s Percentage of available address space announced: 71.1 Percentage of allocated address space announced: 71.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 94.9 Total number of prefixes smaller than registry allocations: 162237 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 110639 Total APNIC prefixes after maximum aggregation: 33571 APNIC Deaggregation factor: 3.30 Prefixes being announced from the APNIC address blocks: 112432 Unique aggregates announced from the APNIC address blocks: 46304 APNIC Region origin ASes present in the Internet Routing Table: 4863 APNIC Prefixes per ASN: 23.12 APNIC Region origin ASes announcing only one prefix: 1217 APNIC Region transit ASes present in the Internet Routing Table: 826 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 631 Number of APNIC addresses announced to Internet: 725802816 Equivalent to 43 /8s, 66 /16s and 223 /24s Percentage of available APNIC address space announced: 84.8 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-133119 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 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, 150/8, 153/8, 163/8, 171/8, 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, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 160184 Total ARIN prefixes after maximum aggregation: 80761 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 160782 Unique aggregates announced from the ARIN address blocks: 74666 ARIN Region origin ASes present in the Internet Routing Table: 15819 ARIN Prefixes per ASN: 10.16 ARIN Region origin ASes announcing only one prefix: 5998 ARIN Region transit ASes present in the Internet Routing Table: 1648 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 19 Number of ARIN addresses announced to Internet: 1069008960 Equivalent to 63 /8s, 183 /16s and 200 /24s Percentage of available ARIN address space announced: 56.6 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, 62464-63487, 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, 23/8, 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, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 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: 118440 Total RIPE prefixes after maximum aggregation: 60410 RIPE Deaggregation factor: 1.96 Prefixes being announced from the RIPE address blocks: 122250 Unique aggregates announced from the RIPE address blocks: 78465 RIPE Region origin ASes present in the Internet Routing Table: 17328 RIPE Prefixes per ASN: 7.06 RIPE Region origin ASes announcing only one prefix: 8210 RIPE Region transit ASes present in the Internet Routing Table: 2814 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2380 Number of RIPE addresses announced to Internet: 656801572 Equivalent to 39 /8s, 37 /16s and 255 /24s Percentage of available RIPE address space announced: 95.5 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, 56320-58367 59392-61439, 196608-199679 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 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, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 50166 Total LACNIC prefixes after maximum aggregation: 9566 LACNIC Deaggregation factor: 5.24 Prefixes being announced from the LACNIC address blocks: 54757 Unique aggregates announced from the LACNIC address blocks: 25553 LACNIC Region origin ASes present in the Internet Routing Table: 1995 LACNIC Prefixes per ASN: 27.45 LACNIC Region origin ASes announcing only one prefix: 576 LACNIC Region transit ASes present in the Internet Routing Table: 369 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 797 Number of LACNIC addresses announced to Internet: 134609704 Equivalent to 8 /8s, 5 /16s and 251 /24s Percentage of available LACNIC address space announced: 80.2 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 262144-263679 plus ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 11631 Total AfriNIC prefixes after maximum aggregation: 2534 AfriNIC Deaggregation factor: 4.59 Prefixes being announced from the AfriNIC address blocks: 12236 Unique aggregates announced from the AfriNIC address blocks: 3949 AfriNIC Region origin ASes present in the Internet Routing Table: 644 AfriNIC Prefixes per ASN: 19.00 AfriNIC Region origin ASes announcing only one prefix: 185 AfriNIC Region transit ASes present in the Internet Routing Table: 130 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6 Number of AfriNIC addresses announced to Internet: 46593024 Equivalent to 2 /8s, 198 /16s and 244 /24s Percentage of available AfriNIC address space announced: 46.3 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 2921 11561 917 Korea Telecom (KIX) 17974 2649 871 92 PT TELEKOMUNIKASI INDONESIA 7545 2053 320 111 TPG Internet Pty Ltd 4755 1780 393 197 TATA Communications formerly 9829 1537 1221 45 BSNL National Internet Backbo 9583 1224 92 504 Sify Limited 9498 1176 309 70 BHARTI Airtel Ltd. 4808 1155 2127 333 CNCGROUP IP network: China169 7552 1139 1080 13 Vietel Corporation 24560 1088 394 164 Bharti Airtel Ltd., Telemedia Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 2980 3689 63 bellsouth.net, inc. 18566 2065 382 184 Covad Communications 1785 2006 679 125 PaeTec Communications, Inc. 22773 2004 2927 123 Cox Communications, Inc. 20115 1674 1640 621 Charter Communications 4323 1623 1106 408 Time Warner Telecom 701 1522 11104 799 UUNET Technologies, Inc. 30036 1378 310 653 Mediacom Communications Corp 7018 1322 11293 833 AT&T WorldNet Services 11492 1221 218 363 Cable One Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8402 1676 544 16 Corbina telecom 34984 1299 244 221 BILISIM TELEKOM 2118 1159 97 13 EUnet/RELCOM Autonomous Syste 31148 978 43 17 FreeNet ISP 20940 973 348 749 Akamai Technologies European 6830 871 2371 429 UPC Distribution Services 13188 843 99 70 Educational Network 8551 771 370 45 Bezeq International 12479 681 797 53 Uni2 Autonomous System 9198 570 343 21 Kazakhtelecom Data Network Ad Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 28573 3043 1595 110 NET Servicos de Comunicao S.A 10620 2654 422 231 TVCABLE BOGOTA 7303 1730 1157 220 Telecom Argentina Stet-France 18881 1285 844 20 Global Village Telecom 8151 1277 2759 394 UniNet S.A. de C.V. 11830 946 364 15 Instituto Costarricense de El 27947 837 94 91 Telconet S.A 6503 817 434 63 AVANTEL, S.A. 6147 738 374 25 Telefonica Del Peru 3816 722 302 83 Empresa Nacional de Telecomun Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36998 1861 112 5 MOBITEL 24863 872 274 30 LINKdotNET AS number 6713 542 617 25 Itissalat Al-MAGHRIB 8452 435 956 9 TEDATA 24835 291 80 8 RAYA Telecom - Egypt 3741 258 921 217 The Internet Solution 15706 221 32 6 Sudatel Internet Exchange Aut 29571 220 17 12 Ci Telecom Autonomous system 36992 215 527 23 Etisalat MISR 12258 193 28 71 Vodacom Internet Company Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 28573 3043 1595 110 NET Servicos de Comunicao S.A 6389 2980 3689 63 bellsouth.net, inc. 4766 2921 11561 917 Korea Telecom (KIX) 10620 2654 422 231 TVCABLE BOGOTA 17974 2649 871 92 PT TELEKOMUNIKASI INDONESIA 18566 2065 382 184 Covad Communications 7545 2053 320 111 TPG Internet Pty Ltd 1785 2006 679 125 PaeTec Communications, Inc. 22773 2004 2927 123 Cox Communications, Inc. 36998 1861 112 5 MOBITEL Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 6389 2980 2917 bellsouth.net, inc. 17974 2649 2557 PT TELEKOMUNIKASI INDONESIA 10620 2654 2423 TVCABLE BOGOTA 4766 2921 2004 Korea Telecom (KIX) 7545 2053 1942 TPG Internet Pty Ltd 18566 2065 1881 Covad Communications 1785 2006 1881 PaeTec Communications, Inc. 22773 2004 1881 Cox Communications, Inc. 36998 1861 1856 MOBITEL 8402 1676 1660 Corbina telecom Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic 23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.103.0/24 209 Qwest 17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies, 16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic 14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic 33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks 30621 UNALLOCATED 12.151.74.0/23 7018 AT&T WorldNet Servic Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.100.0.0/24 4847 China Networks Inter-Exchange Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 62.182.96.0/23 15830 TELECITY London 64.185.224.0/24 27431 JTL Networks Inc. 64.185.225.0/24 27431 JTL Networks Inc. 64.185.226.0/24 27431 JTL Networks Inc. 64.185.227.0/24 27431 JTL Networks Inc. 64.185.228.0/24 27431 JTL Networks Inc. 64.185.229.0/24 27431 JTL Networks Inc. 64.185.230.0/24 27431 JTL Networks Inc. Complete listing at http://thyme.rand.apnic.net/current/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 /8:16 /9:11 /10:30 /11:92 /12:250 /13:480 /14:907 /15:1605 /16:12733 /17:6645 /18:11036 /19:22528 /20:32240 /21:34807 /22:48813 /23:42749 /24:244568 /25:1042 /26:1424 /27:597 /28:42 /29:75 /30:18 /31:0 /32:19 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2016 2065 Covad Communications 36998 1826 1861 MOBITEL 6389 1714 2980 bellsouth.net, inc. 8402 1377 1676 Corbina telecom 22773 1304 2004 Cox Communications, Inc. 30036 1240 1378 Mediacom Communications Corp 11492 1182 1221 Cable One 1785 1079 2006 PaeTec Communications, Inc. 6983 1021 1149 ITC^Deltacom 10620 986 2654 TVCABLE BOGOTA Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:802 2:761 3:3 4:19 5:907 6:17 8:596 12:1903 13:2 14:869 15:11 16:3 17:10 18:19 20:17 23:303 24:1769 27:1535 31:1346 32:45 33:2 34:5 36:67 37:1804 38:893 39:2 40:180 41:3281 42:258 44:9 46:1965 47:3 49:658 50:838 52:12 54:37 55:5 57:26 58:1170 59:640 60:332 61:1494 62:1180 63:2008 64:4343 65:2158 66:4198 67:2040 68:1091 69:3306 70:800 71:488 72:1916 74:2511 75:325 76:302 77:1131 78:1056 79:614 80:1294 81:1017 82:650 83:584 84:567 85:1215 86:472 87:1039 88:534 89:1813 90:152 91:5538 92:617 93:1656 94:1975 95:1609 96:591 97:346 98:1031 99:43 100:29 101:595 103:3126 105:524 106:139 107:207 108:520 109:1855 110:942 111:1070 112:568 113:811 114:701 115:1096 116:957 117:799 118:1142 119:1296 120:360 121:848 122:1807 123:1243 124:1370 125:1401 128:636 129:221 130:310 131:667 132:345 133:160 134:274 135:72 136:260 137:242 138:344 139:189 140:201 141:320 142:532 143:386 144:532 145:93 146:535 147:416 148:673 149:349 150:156 151:591 152:413 153:191 154:29 155:417 156:273 157:402 158:276 159:744 160:349 161:455 162:558 163:222 164:582 165:528 166:255 167:602 168:1028 169:126 170:1069 171:188 172:23 173:1591 174:561 175:492 176:1164 177:2133 178:1906 179:83 180:1511 181:622 182:1228 183:420 184:652 185:737 186:2364 187:1390 188:1852 189:1267 190:6991 192:6876 193:5623 194:4714 195:3594 196:1333 197:999 198:4581 199:5383 200:5998 201:2631 202:8842 203:8896 204:4516 205:2594 206:2831 207:2902 208:4003 209:3600 210:2940 211:1531 212:2250 213:2043 214:913 215:101 216:5237 217:1643 218:619 219:331 220:1278 221:551 222:321 223:462 End of report