Routing Table Report 04:00 +10GMT Tue 14 May, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 454347 Prefixes after maximum aggregation: 185186 Deaggregation factor: 2.45 Unique aggregates announced to Internet: 224324 Total ASes present in the Internet Routing Table: 44050 Prefixes per ASN: 10.31 Origin-only ASes present in the Internet Routing Table: 34574 Origin ASes announcing only one prefix: 16104 Transit ASes present in the Internet Routing Table: 5848 Transit-only ASes present in the Internet Routing Table: 154 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 39 Max AS path prepend of ASN ( 22394) 36 Prefixes from unregistered ASNs in the Routing Table: 316 Unregistered ASNs in the Routing Table: 132 Number of 32-bit ASNs allocated by the RIRs: 4762 Number of 32-bit ASNs visible in the Routing Table: 3628 Prefixes from 32-bit ASNs in the Routing Table: 10344 Special use prefixes present in the Routing Table: 23 Prefixes being announced from unallocated address space: 234 Number of addresses announced to Internet: 2614697964 Equivalent to 155 /8s, 217 /16s and 31 /24s Percentage of available address space announced: 70.6 Percentage of allocated address space announced: 70.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 94.5 Total number of prefixes smaller than registry allocations: 160260 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 108872 Total APNIC prefixes after maximum aggregation: 33445 APNIC Deaggregation factor: 3.26 Prefixes being announced from the APNIC address blocks: 110215 Unique aggregates announced from the APNIC address blocks: 44904 APNIC Region origin ASes present in the Internet Routing Table: 4836 APNIC Prefixes per ASN: 22.79 APNIC Region origin ASes announcing only one prefix: 1223 APNIC Region transit ASes present in the Internet Routing Table: 823 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 522 Number of APNIC addresses announced to Internet: 721172960 Equivalent to 42 /8s, 252 /16s and 57 /24s Percentage of available APNIC address space announced: 84.3 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: 159459 Total ARIN prefixes after maximum aggregation: 80228 ARIN Deaggregation factor: 1.99 Prefixes being announced from the ARIN address blocks: 160091 Unique aggregates announced from the ARIN address blocks: 73450 ARIN Region origin ASes present in the Internet Routing Table: 15687 ARIN Prefixes per ASN: 10.21 ARIN Region origin ASes announcing only one prefix: 5969 ARIN Region transit ASes present in the Internet Routing Table: 1640 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 39 Number of ARIN region 32-bit ASNs visible in the Routing Table: 19 Number of ARIN addresses announced to Internet: 1061700224 Equivalent to 63 /8s, 72 /16s and 66 /24s Percentage of available ARIN address space announced: 56.2 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, 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: 117133 Total RIPE prefixes after maximum aggregation: 59735 RIPE Deaggregation factor: 1.96 Prefixes being announced from the RIPE address blocks: 120664 Unique aggregates announced from the RIPE address blocks: 77827 RIPE Region origin ASes present in the Internet Routing Table: 17162 RIPE Prefixes per ASN: 7.03 RIPE Region origin ASes announcing only one prefix: 8146 RIPE Region transit ASes present in the Internet Routing Table: 2804 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: 2320 Number of RIPE addresses announced to Internet: 656365156 Equivalent to 39 /8s, 31 /16s and 86 /24s Percentage of available RIPE address space announced: 95.4 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: 47671 Total LACNIC prefixes after maximum aggregation: 9249 LACNIC Deaggregation factor: 5.15 Prefixes being announced from the LACNIC address blocks: 51795 Unique aggregates announced from the LACNIC address blocks: 24055 LACNIC Region origin ASes present in the Internet Routing Table: 1930 LACNIC Prefixes per ASN: 26.84 LACNIC Region origin ASes announcing only one prefix: 578 LACNIC Region transit ASes present in the Internet Routing Table: 358 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 24 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 761 Number of LACNIC addresses announced to Internet: 128697128 Equivalent to 7 /8s, 171 /16s and 195 /24s Percentage of available LACNIC address space announced: 76.7 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-62463, 262144-263167 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: 10783 Total AfriNIC prefixes after maximum aggregation: 2489 AfriNIC Deaggregation factor: 4.33 Prefixes being announced from the AfriNIC address blocks: 11348 Unique aggregates announced from the AfriNIC address blocks: 3871 AfriNIC Region origin ASes present in the Internet Routing Table: 626 AfriNIC Prefixes per ASN: 18.13 AfriNIC Region origin ASes announcing only one prefix: 188 AfriNIC Region transit ASes present in the Internet Routing Table: 134 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6 Number of AfriNIC addresses announced to Internet: 46411776 Equivalent to 2 /8s, 196 /16s and 48 /24s Percentage of available AfriNIC address space announced: 46.1 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 2959 11559 924 Korea Telecom (KIX) 17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA 7545 1902 320 108 TPG Internet Pty Ltd 4755 1724 390 191 TATA Communications formerly 9829 1507 1205 40 BSNL National Internet Backbo 9583 1218 91 501 Sify Limited 7552 1172 1064 12 Vietel Corporation 4808 1120 2113 328 CNCGROUP IP network: China169 9498 1100 309 71 BHARTI Airtel Ltd. 24560 1069 393 166 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 3016 3693 82 bellsouth.net, inc. 7029 2142 1265 211 Windstream Communications Inc 18566 2067 382 184 Covad Communications 1785 1992 677 124 PaeTec Communications, Inc. 22773 1973 2929 125 Cox Communications, Inc. 20115 1667 1608 616 Charter Communications 4323 1612 1139 399 Time Warner Telecom 30036 1340 297 651 Mediacom Communications Corp 7018 1312 10819 849 AT&T WorldNet Services 11492 1245 228 320 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 1828 544 16 Corbina telecom 2118 1390 97 13 EUnet/RELCOM Autonomous Syste 34984 1197 240 224 BILISIM TELEKOM 13188 834 99 64 Educational Network 20940 829 286 657 Akamai Technologies European 31148 790 39 20 FreeNet ISP 6830 770 2376 443 UPC Distribution Services 8551 770 370 43 Bezeq International 12479 681 782 67 Uni2 Autonomous System 34744 672 172 55 SC GVM SISTEM 2003 SRL 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 2686 1482 109 NET Servicos de Comunicao S.A 10620 2630 412 223 TVCABLE BOGOTA 7303 1689 1157 219 Telecom Argentina Stet-France 8151 1242 2701 393 UniNet S.A. de C.V. 6503 971 435 68 AVANTEL, S.A. 18881 930 780 19 Global Village Telecom 27947 797 88 96 Telconet S.A 11830 710 364 14 Instituto Costarricense de El 3816 706 306 85 Empresa Nacional de Telecomun 7738 698 1370 35 Telecomunicacoes da Bahia S.A 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 1237 80 4 MOBITEL 24863 888 274 32 LINKdotNET AS number 6713 542 617 25 Itissalat Al-MAGHRIB 8452 454 956 9 TEDATA 24835 344 80 8 RAYA Telecom - Egypt 3741 261 906 220 The Internet Solution 15706 222 32 6 Sudatel Internet Exchange Aut 12258 193 28 67 Vodacom Internet Company 29975 191 667 21 Vodacom 36992 189 527 21 Etisalat MISR 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 6389 3016 3693 82 bellsouth.net, inc. 4766 2959 11559 924 Korea Telecom (KIX) 28573 2686 1482 109 NET Servicos de Comunicao S.A 10620 2630 412 223 TVCABLE BOGOTA 17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA 7029 2142 1265 211 Windstream Communications Inc 18566 2067 382 184 Covad Communications 1785 1992 677 124 PaeTec Communications, Inc. 22773 1973 2929 125 Cox Communications, Inc. 7545 1902 320 108 TPG Internet Pty Ltd Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 28573 2686 2577 NET Servicos de Comunicao S.A 17974 2513 2423 PT TELEKOMUNIKASI INDONESIA 10620 2630 2407 TVCABLE BOGOTA 4766 2959 2035 Korea Telecom (KIX) 7029 2142 1931 Windstream Communications Inc 18566 2067 1883 Covad Communications 1785 1992 1868 PaeTec Communications, Inc. 22773 1973 1848 Cox Communications, Inc. 8402 1828 1812 Corbina telecom 7545 1902 1794 TPG Internet Pty Ltd 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 26064 UNALLOCATED 12.149.37.0/24 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 128.0.0.0/24 2876 Jump Management SRL 128.0.16.0/21 43568 RIPE Network Coordination Cen 128.0.24.0/21 41794 Altline LLC 128.0.46.0/23 39743 Mobimax Telecom SRL 128.0.52.0/24 60906 NETOPIA SRL 128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys 128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys 128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys 128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys 128.0.63.0/24 9050 RTD-ROMTELECOM Autonomous Sys 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 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. 64.185.231.0/24 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 /9:13 /10:29 /11:87 /12:250 /13:490 /14:883 /15:1565 /16:12678 /17:6630 /18:11178 /19:22078 /20:32050 /21:34108 /22:47365 /23:42131 /24:238670 /25:1359 /26:1754 /27:867 /28:44 /29:65 /30:18 /31:0 /32:19 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2018 2067 Covad Communications 6389 1728 3016 bellsouth.net, inc. 7029 1611 2142 Windstream Communications Inc 8402 1530 1828 Corbina telecom 22773 1282 1973 Cox Communications, Inc. 36998 1231 1237 MOBITEL 30036 1211 1340 Mediacom Communications Corp 11492 1204 1245 Cable One 1785 1062 1992 PaeTec Communications, Inc. 6983 1008 1134 ITC^Deltacom Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:806 2:806 3:3 4:15 5:876 6:7 8:558 12:1926 13:3 14:779 15:11 16:3 17:9 20:17 23:276 24:1767 27:1501 31:1279 32:43 33:2 34:5 36:44 37:1844 38:873 39:2 40:172 41:2763 42:190 44:6 46:1890 47:2 49:631 50:693 52:12 54:35 55:9 57:26 58:1140 59:568 60:306 61:1391 62:1077 63:2034 64:4320 65:2182 66:4365 67:2042 68:1125 69:3279 70:871 71:536 72:1928 74:2558 75:413 76:308 77:1105 78:1052 79:587 80:1267 81:994 82:625 83:556 84:526 85:1150 86:462 87:974 88:533 89:1792 90:161 91:5446 92:585 93:1706 94:1855 95:1494 96:527 97:344 98:1052 99:41 100:30 101:329 103:2569 105:535 106:144 107:209 108:520 109:1851 110:872 111:1055 112:509 113:790 114:711 115:941 116:906 117:792 118:1069 119:1289 120:405 121:721 122:1780 123:1215 124:1350 125:1343 128:631 129:225 130:323 131:643 132:338 133:149 134:262 135:66 136:221 137:254 138:346 139:197 140:207 141:327 142:547 143:400 144:486 145:92 146:505 147:408 148:695 149:372 150:158 151:567 152:418 153:199 154:44 155:396 156:263 157:401 158:276 159:732 160:358 161:427 162:420 163:212 164:592 165:451 166:300 167:582 168:1038 169:134 170:1015 171:178 172:6 173:1673 174:587 175:475 176:1289 177:1967 178:1831 179:5 180:1423 181:359 182:1190 183:389 184:674 185:435 186:2274 187:1297 188:2137 189:1324 190:6364 192:6613 193:5862 194:4673 195:3448 196:1330 197:905 198:4433 199:5294 200:5924 201:2413 202:8842 203:8832 204:4510 205:2569 206:2845 207:2880 208:4065 209:3627 210:2943 211:1557 212:2113 213:1939 214:915 215:97 216:5251 217:1600 218:617 219:330 220:1278 221:554 222:319 223:442 End of report