This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG, TRNOG, CaribNOG and the RIPE Routing Working Group. Daily listings are sent to bgp-stats@lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz@gmail.com>. Routing Table Report 04:00 +10GMT Sat 25 May, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 455658 Prefixes after maximum aggregation: 185562 Deaggregation factor: 2.46 Unique aggregates announced to Internet: 224685 Total ASes present in the Internet Routing Table: 44157 Prefixes per ASN: 10.32 Origin-only ASes present in the Internet Routing Table: 34642 Origin ASes announcing only one prefix: 16112 Transit ASes present in the Internet Routing Table: 5852 Transit-only ASes present in the Internet Routing Table: 152 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 54 Max AS path prepend of ASN ( 56484) 51 Prefixes from unregistered ASNs in the Routing Table: 315 Unregistered ASNs in the Routing Table: 128 Number of 32-bit ASNs allocated by the RIRs: 4775 Number of 32-bit ASNs visible in the Routing Table: 3663 Prefixes from 32-bit ASNs in the Routing Table: 10451 Special use prefixes present in the Routing Table: 26 Prefixes being announced from unallocated address space: 244 Number of addresses announced to Internet: 2619297836 Equivalent to 156 /8s, 31 /16s and 80 /24s Percentage of available address space announced: 70.7 Percentage of allocated address space announced: 70.7 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: 160151 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 110112 Total APNIC prefixes after maximum aggregation: 33502 APNIC Deaggregation factor: 3.29 Prefixes being announced from the APNIC address blocks: 111514 Unique aggregates announced from the APNIC address blocks: 44846 APNIC Region origin ASes present in the Internet Routing Table: 4843 APNIC Prefixes per ASN: 23.03 APNIC Region origin ASes announcing only one prefix: 1218 APNIC Region transit ASes present in the Internet Routing Table: 829 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 537 Number of APNIC addresses announced to Internet: 722621440 Equivalent to 43 /8s, 18 /16s and 84 /24s Percentage of available APNIC address space announced: 84.5 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: 159423 Total ARIN prefixes after maximum aggregation: 80337 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 160003 Unique aggregates announced from the ARIN address blocks: 73260 ARIN Region origin ASes present in the Internet Routing Table: 15710 ARIN Prefixes per ASN: 10.18 ARIN Region origin ASes announcing only one prefix: 5979 ARIN Region transit ASes present in the Internet Routing Table: 1631 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: 1063351616 Equivalent to 63 /8s, 97 /16s and 117 /24s Percentage of available ARIN address space announced: 56.3 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: 117067 Total RIPE prefixes after maximum aggregation: 59894 RIPE Deaggregation factor: 1.95 Prefixes being announced from the RIPE address blocks: 120631 Unique aggregates announced from the RIPE address blocks: 78083 RIPE Region origin ASes present in the Internet Routing Table: 17198 RIPE Prefixes per ASN: 7.01 RIPE Region origin ASes announcing only one prefix: 8158 RIPE Region transit ASes present in the Internet Routing Table: 2816 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 54 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2342 Number of RIPE addresses announced to Internet: 656531684 Equivalent to 39 /8s, 33 /16s and 224 /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: 47649 Total LACNIC prefixes after maximum aggregation: 9284 LACNIC Deaggregation factor: 5.13 Prefixes being announced from the LACNIC address blocks: 51815 Unique aggregates announced from the LACNIC address blocks: 24372 LACNIC Region origin ASes present in the Internet Routing Table: 1933 LACNIC Prefixes per ASN: 26.81 LACNIC Region origin ASes announcing only one prefix: 571 LACNIC Region transit ASes present in the Internet Routing Table: 354 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 20 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 759 Number of LACNIC addresses announced to Internet: 129734152 Equivalent to 7 /8s, 187 /16s and 150 /24s Percentage of available LACNIC address space announced: 77.3 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: 10870 Total AfriNIC prefixes after maximum aggregation: 2505 AfriNIC Deaggregation factor: 4.34 Prefixes being announced from the AfriNIC address blocks: 11451 Unique aggregates announced from the AfriNIC address blocks: 3899 AfriNIC Region origin ASes present in the Internet Routing Table: 631 AfriNIC Prefixes per ASN: 18.15 AfriNIC Region origin ASes announcing only one prefix: 186 AfriNIC Region transit ASes present in the Internet Routing Table: 135 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: 46505984 Equivalent to 2 /8s, 197 /16s and 160 /24s Percentage of available AfriNIC address space announced: 46.2 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 2962 11559 926 Korea Telecom (KIX) 17974 2512 838 90 PT TELEKOMUNIKASI INDONESIA 7545 1984 320 108 TPG Internet Pty Ltd 4755 1734 391 192 TATA Communications formerly 9829 1512 1205 40 BSNL National Internet Backbo 9583 1219 91 502 Sify Limited 7552 1167 1064 12 Vietel Corporation 4808 1133 2112 329 CNCGROUP IP network: China169 9498 1113 309 72 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 3018 3693 79 bellsouth.net, inc. 18566 2066 382 184 Covad Communications 1785 1992 677 124 PaeTec Communications, Inc. 22773 1979 2929 125 Cox Communications, Inc. 7029 1973 1265 211 Windstream Communications Inc 20115 1671 1610 612 Charter Communications 4323 1608 1138 399 Time Warner Telecom 30036 1327 296 645 Mediacom Communications Corp 7018 1302 11074 834 AT&T WorldNet Services 11492 1234 221 342 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 1787 544 16 Corbina telecom 2118 1260 97 13 EUnet/RELCOM Autonomous Syste 34984 1205 240 228 BILISIM TELEKOM 20940 856 298 674 Akamai Technologies European 13188 827 98 73 Educational Network 31148 795 40 24 FreeNet ISP 6830 771 2377 444 UPC Distribution Services 8551 771 370 43 Bezeq International 34744 688 173 56 SC GVM SISTEM 2003 SRL 58113 666 74 386 LIR DATACENTER TELECOM 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 2766 1535 115 NET Servicos de Comunicao S.A 10620 2625 412 228 TVCABLE BOGOTA 7303 1726 1154 224 Telecom Argentina Stet-France 8151 1257 2707 396 UniNet S.A. de C.V. 18881 951 780 19 Global Village Telecom 6503 933 435 68 AVANTEL, S.A. 27947 835 89 104 Telconet S.A 3816 706 306 85 Empresa Nacional de Telecomun 7738 698 1370 35 Telecomunicacoes da Bahia S.A 11172 608 87 64 Servicios Alestra S.A de C.V 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 886 274 33 LINKdotNET AS number 6713 542 617 25 Itissalat Al-MAGHRIB 8452 444 956 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 22 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 3018 3693 79 bellsouth.net, inc. 4766 2962 11559 926 Korea Telecom (KIX) 28573 2766 1535 115 NET Servicos de Comunicao S.A 10620 2625 412 228 TVCABLE BOGOTA 17974 2512 838 90 PT TELEKOMUNIKASI INDONESIA 18566 2066 382 184 Covad Communications 1785 1992 677 124 PaeTec Communications, Inc. 7545 1984 320 108 TPG Internet Pty Ltd 22773 1979 2929 125 Cox Communications, Inc. 7029 1973 1265 211 Windstream Communications Inc 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 2766 2651 NET Servicos de Comunicao S.A 17974 2512 2422 PT TELEKOMUNIKASI INDONESIA 10620 2625 2397 TVCABLE BOGOTA 4766 2962 2036 Korea Telecom (KIX) 18566 2066 1882 Covad Communications 7545 1984 1876 TPG Internet Pty Ltd 1785 1992 1868 PaeTec Communications, Inc. 22773 1979 1854 Cox Communications, Inc. 8402 1787 1771 Corbina telecom 7029 1973 1762 Windstream Communications Inc 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 128.0.53.0/24 60993 Totalsoft SA 128.0.54.0/24 60972 Carpatair SA 128.0.57.0/24 60993 Totalsoft SA 128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys 128.0.60.0/24 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 /10:30 /11:88 /12:249 /13:483 /14:895 /15:1581 /16:12669 /17:6643 /18:11170 /19:22240 /20:32135 /21:34322 /22:47650 /23:42441 /24:239067 /25:1304 /26:1665 /27:850 /28:47 /29:63 /30:18 /31:0 /32:19 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2017 2066 Covad Communications 6389 1733 3018 bellsouth.net, inc. 7029 1526 1973 Windstream Communications Inc 8402 1479 1787 Corbina telecom 22773 1287 1979 Cox Communications, Inc. 36998 1231 1237 MOBITEL 30036 1197 1327 Mediacom Communications Corp 11492 1194 1234 Cable One 1785 1063 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) ---------------------------------------------- 1:801 2:797 3:3 4:15 5:888 6:8 8:554 12:1906 13:3 14:828 15:11 16:3 17:9 20:17 23:274 24:1764 27:1479 31:1291 32:57 33:2 34:5 36:28 37:1864 38:876 39:2 40:172 41:2782 42:192 44:6 46:1917 47:2 49:588 50:704 52:12 54:33 55:7 57:26 58:1193 59:570 60:313 61:1404 62:1110 63:2037 64:4351 65:2180 66:4371 67:2060 68:1131 69:3310 70:879 71:527 72:1921 74:2568 75:406 76:305 77:1109 78:1047 79:591 80:1262 81:989 82:624 83:570 84:534 85:1165 86:461 87:982 88:539 89:1765 90:144 91:5483 92:593 93:1700 94:1839 95:1504 96:514 97:344 98:1028 99:41 100:30 101:332 103:2634 105:519 106:92 107:209 108:518 109:1824 110:888 111:1035 112:510 113:800 114:719 115:1022 116:931 117:796 118:1075 119:1300 120:435 121:730 122:1805 123:1229 124:1354 125:1375 128:643 129:221 130:324 131:648 132:334 133:149 134:267 135:66 136:221 137:261 138:344 139:186 140:208 141:326 142:548 143:371 144:481 145:93 146:510 147:392 148:682 149:374 150:158 151:568 152:416 153:199 154:43 155:395 156:264 157:398 158:278 159:730 160:338 161:430 162:427 163:218 164:594 165:497 166:279 167:590 168:1031 169:129 170:1028 171:180 172:21 173:1663 174:582 175:483 176:1091 177:1982 178:1855 179:6 180:1461 181:401 182:1198 183:386 184:675 185:463 186:2272 187:1284 188:2140 189:1321 190:6363 192:6634 193:5860 194:4591 195:3425 196:1362 197:910 198:4434 199:5304 200:5910 201:2252 202:8914 203:8902 204:4504 205:2567 206:2840 207:2903 208:4052 209:3627 210:2984 211:1518 212:2198 213:1923 214:902 215:98 216:5238 217:1609 218:618 219:330 220:1261 221:558 222:318 223:483 End of report