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-st...@lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsi...@gmail.com>. Routing Table Report 04:00 +10GMT Sat 22 Jun, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 457502 Prefixes after maximum aggregation: 186225 Deaggregation factor: 2.46 Unique aggregates announced to Internet: 227498 Total ASes present in the Internet Routing Table: 44356 Prefixes per ASN: 10.31 Origin-only ASes present in the Internet Routing Table: 34763 Origin ASes announcing only one prefix: 16168 Transit ASes present in the Internet Routing Table: 5859 Transit-only ASes present in the Internet Routing Table: 143 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: 1392 Unregistered ASNs in the Routing Table: 609 Number of 32-bit ASNs allocated by the RIRs: 4809 Number of 32-bit ASNs visible in the Routing Table: 3734 Prefixes from 32-bit ASNs in the Routing Table: 10899 Special use prefixes present in the Routing Table: 25 Prefixes being announced from unallocated address space: 222 Number of addresses announced to Internet: 2642684428 Equivalent to 157 /8s, 132 /16s and 42 /24s Percentage of available address space announced: 71.4 Percentage of allocated address space announced: 71.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 94.6 Total number of prefixes smaller than registry allocations: 160098 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 110296 Total APNIC prefixes after maximum aggregation: 33646 APNIC Deaggregation factor: 3.28 Prefixes being announced from the APNIC address blocks: 112510 Unique aggregates announced from the APNIC address blocks: 46108 APNIC Region origin ASes present in the Internet Routing Table: 4852 APNIC Prefixes per ASN: 23.19 APNIC Region origin ASes announcing only one prefix: 1220 APNIC Region transit ASes present in the Internet Routing Table: 819 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 583 Number of APNIC addresses announced to Internet: 725408992 Equivalent to 43 /8s, 60 /16s and 220 /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: 158910 Total ARIN prefixes after maximum aggregation: 80418 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 159578 Unique aggregates announced from the ARIN address blocks: 74067 ARIN Region origin ASes present in the Internet Routing Table: 15746 ARIN Prefixes per ASN: 10.13 ARIN Region origin ASes announcing only one prefix: 5994 ARIN Region transit ASes present in the Internet Routing Table: 1644 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: 1081744192 Equivalent to 64 /8s, 122 /16s and 27 /24s Percentage of available ARIN address space announced: 57.2 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, 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: 117878 Total RIPE prefixes after maximum aggregation: 60243 RIPE Deaggregation factor: 1.96 Prefixes being announced from the RIPE address blocks: 120804 Unique aggregates announced from the RIPE address blocks: 78364 RIPE Region origin ASes present in the Internet Routing Table: 17245 RIPE Prefixes per ASN: 7.01 RIPE Region origin ASes announcing only one prefix: 8181 RIPE Region transit ASes present in the Internet Routing Table: 2830 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: 2360 Number of RIPE addresses announced to Internet: 656483940 Equivalent to 39 /8s, 33 /16s and 38 /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: 48510 Total LACNIC prefixes after maximum aggregation: 9360 LACNIC Deaggregation factor: 5.18 Prefixes being announced from the LACNIC address blocks: 52885 Unique aggregates announced from the LACNIC address blocks: 24810 LACNIC Region origin ASes present in the Internet Routing Table: 1968 LACNIC Prefixes per ASN: 26.87 LACNIC Region origin ASes announcing only one prefix: 583 LACNIC Region transit ASes present in the Internet Routing Table: 356 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: 766 Number of LACNIC addresses announced to Internet: 132418440 Equivalent to 7 /8s, 228 /16s and 139 /24s Percentage of available LACNIC address space announced: 78.9 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: 10911 Total AfriNIC prefixes after maximum aggregation: 2517 AfriNIC Deaggregation factor: 4.33 Prefixes being announced from the AfriNIC address blocks: 11503 Unique aggregates announced from the AfriNIC address blocks: 3944 AfriNIC Region origin ASes present in the Internet Routing Table: 640 AfriNIC Prefixes per ASN: 17.97 AfriNIC Region origin ASes announcing only one prefix: 190 AfriNIC Region transit ASes present in the Internet Routing Table: 131 Average AfriNIC Region AS path length visible: 4.8 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: 46313472 Equivalent to 2 /8s, 194 /16s and 176 /24s Percentage of available AfriNIC address space announced: 46.0 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 2944 11561 922 Korea Telecom (KIX) 17974 2556 855 91 PT TELEKOMUNIKASI INDONESIA 7545 2010 320 109 TPG Internet Pty Ltd 4755 1749 391 191 TATA Communications formerly 9829 1518 1205 40 BSNL National Internet Backbo 7552 1494 1082 9 Vietel Corporation 9583 1284 98 539 Sify Limited 4808 1146 2124 334 CNCGROUP IP network: China169 9498 1135 309 71 BHARTI Airtel Ltd. 24560 1077 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 2998 3691 73 bellsouth.net, inc. 18566 2064 382 184 Covad Communications 1785 1993 678 125 PaeTec Communications, Inc. 22773 1984 2927 123 Cox Communications, Inc. 20115 1666 1617 617 Charter Communications 4323 1623 1137 402 Time Warner Telecom 701 1533 11143 800 UUNET Technologies, Inc. 30036 1336 301 645 Mediacom Communications Corp 7018 1301 11039 832 AT&T WorldNet Services 11492 1221 217 360 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 1686 544 16 Corbina telecom 34984 1279 244 222 BILISIM TELEKOM 2118 1069 97 13 EUnet/RELCOM Autonomous Syste 20940 890 308 697 Akamai Technologies European 13188 825 98 79 Educational Network 31148 805 40 25 FreeNet ISP 8551 772 370 44 Bezeq International 6830 765 2376 439 UPC Distribution Services 12479 684 789 57 Uni2 Autonomous System 34744 675 172 76 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 2804 1558 107 NET Servicos de Comunicao S.A 10620 2662 418 209 TVCABLE BOGOTA 7303 1732 1155 221 Telecom Argentina Stet-France 8151 1257 2719 384 UniNet S.A. de C.V. 18881 1001 844 20 Global Village Telecom 6503 864 434 64 AVANTEL, S.A. 27947 840 89 105 Telconet S.A 3816 715 306 85 Empresa Nacional de Telecomun 7738 698 1370 35 Telecomunicacoes da Bahia S.A 6147 663 374 25 Telefonica Del Peru 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 883 274 30 LINKdotNET AS number 6713 542 617 25 Itissalat Al-MAGHRIB 8452 464 956 9 TEDATA 24835 344 80 8 RAYA Telecom - Egypt 3741 261 922 219 The Internet Solution 15706 222 32 6 Sudatel Internet Exchange Aut 29571 207 17 12 Ci Telecom Autonomous system 36992 198 527 21 Etisalat MISR 12258 193 28 66 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 6389 2998 3691 73 bellsouth.net, inc. 4766 2944 11561 922 Korea Telecom (KIX) 28573 2804 1558 107 NET Servicos de Comunicao S.A 10620 2662 418 209 TVCABLE BOGOTA 17974 2556 855 91 PT TELEKOMUNIKASI INDONESIA 18566 2064 382 184 Covad Communications 7545 2010 320 109 TPG Internet Pty Ltd 1785 1993 678 125 PaeTec Communications, Inc. 22773 1984 2927 123 Cox Communications, Inc. 4755 1749 391 191 TATA Communications formerly 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 2804 2697 NET Servicos de Comunicao S.A 17974 2556 2465 PT TELEKOMUNIKASI INDONESIA 10620 2662 2453 TVCABLE BOGOTA 4766 2944 2022 Korea Telecom (KIX) 7545 2010 1901 TPG Internet Pty Ltd 18566 2064 1880 Covad Communications 1785 1993 1868 PaeTec Communications, Inc. 22773 1984 1861 Cox Communications, Inc. 8402 1686 1670 Corbina telecom 4755 1749 1558 TATA Communications formerly 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 128.0.53.0/24 60993 Totalsoft SA 128.0.54.0/24 60972 Carpatair SA 128.0.55.0/24 48571 SC efectRO SRL 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 /8:17 /9:11 /10:30 /11:91 /12:250 /13:483 /14:900 /15:1603 /16:12707 /17:6652 /18:11188 /19:22220 /20:32166 /21:34525 /22:47754 /23:42327 /24:240620 /25:1303 /26:1659 /27:849 /28:46 /29:65 /30:19 /31:0 /32:17 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2015 2064 Covad Communications 6389 1721 2998 bellsouth.net, inc. 8402 1382 1686 Corbina telecom 22773 1289 1984 Cox Communications, Inc. 36998 1231 1237 MOBITEL 30036 1203 1336 Mediacom Communications Corp 11492 1183 1221 Cable One 1785 1062 1993 PaeTec Communications, Inc. 6983 1011 1141 ITC^Deltacom 10620 992 2662 TVCABLE BOGOTA Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:832 2:836 3:3 4:19 5:800 6:15 8:557 12:1924 13:3 14:849 15:11 16:3 17:10 20:17 23:280 24:1769 27:1494 31:1262 32:43 33:2 34:5 36:47 37:1869 38:880 39:2 40:170 41:2780 42:202 44:8 46:1909 47:2 49:1322 50:734 52:12 54:35 55:7 57:26 58:1162 59:575 60:317 61:1411 62:1122 63:2027 64:4314 65:2159 66:4175 67:2073 68:1075 69:3271 70:856 71:489 72:1916 74:2475 75:322 76:303 77:1123 78:1028 79:612 80:1262 81:1008 82:624 83:582 84:540 85:1169 86:436 87:992 88:541 89:1747 90:147 91:5522 92:607 93:1721 94:1878 95:1668 96:515 97:346 98:1011 99:42 100:30 101:329 103:2834 105:517 106:142 107:207 108:513 109:1836 110:905 111:1060 112:546 113:814 114:712 115:973 116:980 117:841 118:1105 119:1323 120:388 121:733 122:1793 123:1214 124:1373 125:1419 128:638 129:223 130:310 131:662 132:358 133:155 134:268 135:67 136:223 137:245 138:350 139:192 140:210 141:330 142:532 143:382 144:500 145:94 146:507 147:380 148:670 149:348 150:157 151:533 152:420 153:189 154:23 155:414 156:270 157:397 158:279 159:727 160:344 161:448 162:451 163:222 164:604 165:498 166:243 167:596 168:1035 169:129 170:1052 171:181 172:21 173:1578 174:539 175:470 176:985 177:2083 178:1857 179:44 180:1457 181:466 182:1227 183:388 184:655 185:553 186:2268 187:1291 188:2147 189:1285 190:6802 192:6735 193:5671 194:4602 195:3438 196:1358 197:944 198:4494 199:5340 200:5988 201:2230 202:8827 203:8912 204:4516 205:2567 206:2801 207:2843 208:4055 209:3683 210:2943 211:1514 212:2181 213:1968 214:925 215:99 216:5310 217:1620 218:619 219:335 220:1306 221:553 222:325 223:457 End of report