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 15 Dec, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 437576 Prefixes after maximum aggregation: 180670 Deaggregation factor: 2.42 Unique aggregates announced to Internet: 214733 Total ASes present in the Internet Routing Table: 42833 Prefixes per ASN: 10.22 Origin-only ASes present in the Internet Routing Table: 33929 Origin ASes announcing only one prefix: 15857 Transit ASes present in the Internet Routing Table: 5694 Transit-only ASes present in the Internet Routing Table: 135 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 31 Max AS path prepend of ASN ( 28730) 25 Prefixes from unregistered ASNs in the Routing Table: 1188 Unregistered ASNs in the Routing Table: 426 Number of 32-bit ASNs allocated by the RIRs: 3579 Number of 32-bit ASNs visible in the Routing Table: 3210 Prefixes from 32-bit ASNs in the Routing Table: 8662 Special use prefixes present in the Routing Table: 15 Prefixes being announced from unallocated address space: 150 Number of addresses announced to Internet: 2619294732 Equivalent to 156 /8s, 31 /16s and 68 /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: 94.0 Total number of prefixes smaller than registry allocations: 154967 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 104923 Total APNIC prefixes after maximum aggregation: 32629 APNIC Deaggregation factor: 3.22 Prefixes being announced from the APNIC address blocks: 105840 Unique aggregates announced from the APNIC address blocks: 43291 APNIC Region origin ASes present in the Internet Routing Table: 4800 APNIC Prefixes per ASN: 22.05 APNIC Region origin ASes announcing only one prefix: 1245 APNIC Region transit ASes present in the Internet Routing Table: 796 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 23 Number of APNIC region 32-bit ASNs visible in the Routing Table: 386 Number of APNIC addresses announced to Internet: 716073472 Equivalent to 42 /8s, 174 /16s and 106 /24s Percentage of available APNIC address space announced: 83.7 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: 156038 Total ARIN prefixes after maximum aggregation: 78497 ARIN Deaggregation factor: 1.99 Prefixes being announced from the ARIN address blocks: 156749 Unique aggregates announced from the ARIN address blocks: 70462 ARIN Region origin ASes present in the Internet Routing Table: 15339 ARIN Prefixes per ASN: 10.22 ARIN Region origin ASes announcing only one prefix: 5794 ARIN Region transit ASes present in the Internet Routing Table: 1592 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 18 Number of ARIN addresses announced to Internet: 1089133184 Equivalent to 64 /8s, 234 /16s and 218 /24s Percentage of available ARIN address space announced: 57.6 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, 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: 112707 Total RIPE prefixes after maximum aggregation: 58169 RIPE Deaggregation factor: 1.94 Prefixes being announced from the RIPE address blocks: 115585 Unique aggregates announced from the RIPE address blocks: 74144 RIPE Region origin ASes present in the Internet Routing Table: 16988 RIPE Prefixes per ASN: 6.80 RIPE Region origin ASes announcing only one prefix: 8127 RIPE Region transit ASes present in the Internet Routing Table: 2763 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2078 Number of RIPE addresses announced to Internet: 650196324 Equivalent to 38 /8s, 193 /16s and 53 /24s Percentage of available RIPE address space announced: 94.5 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: 45280 Total LACNIC prefixes after maximum aggregation: 8984 LACNIC Deaggregation factor: 5.04 Prefixes being announced from the LACNIC address blocks: 48812 Unique aggregates announced from the LACNIC address blocks: 23091 LACNIC Region origin ASes present in the Internet Routing Table: 1746 LACNIC Prefixes per ASN: 27.96 LACNIC Region origin ASes announcing only one prefix: 505 LACNIC Region transit ASes present in the Internet Routing Table: 327 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 24 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 722 Number of LACNIC addresses announced to Internet: 120667944 Equivalent to 7 /8s, 49 /16s and 63 /24s Percentage of available LACNIC address space announced: 71.9 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 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: 9844 Total AfriNIC prefixes after maximum aggregation: 2338 AfriNIC Deaggregation factor: 4.21 Prefixes being announced from the AfriNIC address blocks: 10440 Unique aggregates announced from the AfriNIC address blocks: 3614 AfriNIC Region origin ASes present in the Internet Routing Table: 584 AfriNIC Prefixes per ASN: 17.88 AfriNIC Region origin ASes announcing only one prefix: 186 AfriNIC Region transit ASes present in the Internet Routing Table: 127 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6 Number of AfriNIC addresses announced to Internet: 42905600 Equivalent to 2 /8s, 142 /16s and 176 /24s Percentage of available AfriNIC address space announced: 42.6 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 2933 11556 905 Korea Telecom (KIX) 17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA 7545 1815 301 90 TPG Internet Pty Ltd 4755 1654 381 171 TATA Communications formerly 9829 1415 1156 42 BSNL National Internet Backbo 9583 1183 88 501 Sify Limited 7552 1138 1062 11 Vietel Corporation 4808 1128 2056 318 CNCGROUP IP network: China169 24560 1035 385 165 Bharti Airtel Ltd., Telemedia 9498 1030 307 69 BHARTI Airtel Ltd. 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 7029 3193 994 216 Windstream Communications Inc 6389 3129 3718 139 bellsouth.net, inc. 18566 2082 382 180 Covad Communications 22773 1944 2932 131 Cox Communications, Inc. 1785 1938 678 124 PaeTec Communications, Inc. 20115 1687 1607 623 Charter Communications 4323 1591 1153 395 Time Warner Telecom 30036 1381 291 721 Mediacom Communications Corp 7018 1290 10533 854 AT&T WorldNet Services 7011 1206 321 685 Citizens Utilities 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 1765 544 16 Corbina telecom 2118 1424 97 15 EUnet/RELCOM Autonomous Syste 34984 877 211 228 BILISIM TELEKOM 12479 868 777 64 Uni2 Autonomous System 13188 756 95 129 Educational Network 31148 741 38 13 FreeNet ISP 6830 715 2313 436 UPC Distribution Services 20940 712 229 549 Akamai Technologies European 58113 633 70 378 LIR DATACENTER TELECOM SRL 8551 611 367 39 Bezeq International 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 10620 2264 386 207 TVCABLE BOGOTA 28573 2213 1298 69 NET Servicos de Comunicao S.A 7303 1673 1139 201 Telecom Argentina Stet-France 8151 1599 3016 352 UniNet S.A. de C.V. 6503 1537 435 67 AVANTEL, S.A. 27947 761 85 93 Telconet S.A 3816 661 309 71 Empresa Nacional de Telecomun 18881 608 716 18 Global Village Telecom 11172 603 85 68 Servicios Alestra S.A de C.V 7738 579 1178 33 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 24863 873 275 36 LINKdotNET AS number 36998 772 48 3 MOBITEL 8452 684 958 13 TEDATA 6713 485 602 20 Itissalat Al-MAGHRIB 24835 291 80 8 RAYA Telecom - Egypt 3741 267 906 225 The Internet Solution 12258 194 28 66 Vodacom Internet Company 15706 191 32 6 Sudatel Internet Exchange Aut 29975 191 667 21 Vodacom 16637 181 697 88 MTN Network Solutions 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 7029 3193 994 216 Windstream Communications Inc 6389 3129 3718 139 bellsouth.net, inc. 4766 2933 11556 905 Korea Telecom (KIX) 17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA 10620 2264 386 207 TVCABLE BOGOTA 28573 2213 1298 69 NET Servicos de Comunicao S.A 18566 2082 382 180 Covad Communications 22773 1944 2932 131 Cox Communications, Inc. 1785 1938 678 124 PaeTec Communications, Inc. 7545 1815 301 90 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 6389 3129 2990 bellsouth.net, inc. 17974 2431 2385 PT TELEKOMUNIKASI INDONESIA 28573 2213 2144 NET Servicos de Comunicao S.A 10620 2264 2057 TVCABLE BOGOTA 4766 2933 2028 Korea Telecom (KIX) 18566 2082 1902 Covad Communications 1785 1938 1814 PaeTec Communications, Inc. 22773 1944 1813 Cox Communications, Inc. 8402 1765 1749 Corbina telecom 7545 1815 1725 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 61309 UNALLOCATED 5.1.96.0/21 41562 Host4all Sarl 59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS 59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS 59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom 61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication 61395 UNALLOCATED 5.83.56.0/22 3292 TDC Tele Danmark 61395 UNALLOCATED 5.83.60.0/22 3292 TDC Tele Danmark 59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D 59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing 59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH 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 128.0.24.0/21 41794 Altline LLC 128.0.64.0/22 49466 Declic Telecom SAS 128.0.68.0/22 49466 Declic Telecom SAS 128.0.72.0/21 23456 32-bit ASN transition 128.0.80.0/20 52041 Timer LTD 128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol 128.0.106.0/24 23456 32-bit ASN transition 128.0.128.0/20 29285 AMT closed joint-stock compan 128.0.144.0/22 59675 >>UNKNOWN<< Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 27.112.114.0/24 23884 Proimage Engineering and Comm 41.222.80.0/21 37110 Moztel LDA 41.223.108.0/22 36966 >>UNKNOWN<< 62.12.96.0/19 38478 SunnyVision Limited 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 64.66.32.0/20 18864 >>UNKNOWN<< 64.187.208.0/24 174 Cogent Communications 64.187.209.0/24 23005 Power Pulse 65.111.1.0/24 32258 SDN Global 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 /8:18 /9:13 /10:29 /11:87 /12:244 /13:477 /14:857 /15:1544 /16:12483 /17:6562 /18:10967 /19:21593 /20:30927 /21:32879 /22:44170 /23:40758 /24:229702 /25:1349 /26:1744 /27:868 /28:182 /29:80 /30:17 /31:0 /32:26 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2622 3193 Windstream Communications Inc 18566 2032 2082 Covad Communications 6389 1776 3129 bellsouth.net, inc. 8402 1493 1765 Corbina telecom 30036 1288 1381 Mediacom Communications Corp 22773 1276 1944 Cox Communications, Inc. 11492 1147 1183 Cable One 6503 1055 1537 AVANTEL, S.A. 1785 1022 1938 PaeTec Communications, Inc. 7011 954 1206 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:650 2:715 3:3 4:13 5:687 6:3 8:487 12:1940 13:3 14:701 15:11 16:3 17:6 20:27 23:221 24:1795 27:1435 31:1321 32:54 33:2 34:2 36:7 37:1091 38:844 39:2 40:141 41:2768 42:179 44:3 46:1714 47:3 49:513 50:627 52:12 54:28 55:8 57:28 58:1069 59:553 60:236 61:1307 62:1039 63:2021 64:4370 65:2207 66:4498 67:2081 68:1187 69:3338 70:933 71:557 72:1894 74:2632 75:471 76:290 77:1032 78:1005 79:518 80:1208 81:977 82:633 83:535 84:531 85:1155 86:459 87:960 88:352 89:1741 90:304 91:5362 92:602 93:1664 94:2002 95:1639 96:487 97:322 98:969 99:40 100:31 101:288 103:1922 105:517 106:117 107:202 108:508 109:1699 110:821 111:972 112:461 113:746 114:642 115:901 116:888 117:777 118:965 119:1255 120:376 121:679 122:1723 123:1173 124:1322 125:1291 128:551 129:200 130:300 131:641 132:319 133:142 134:255 135:62 136:215 137:234 138:343 139:167 140:181 141:301 142:510 143:355 144:493 145:89 146:521 147:294 148:738 149:331 150:153 151:237 152:399 153:187 154:22 155:441 156:229 157:380 158:257 159:677 160:335 161:419 162:377 163:193 164:584 165:450 166:475 167:567 168:993 169:131 170:1006 171:164 172:6 173:1704 174:626 175:443 176:870 177:1484 178:1743 180:1351 181:185 182:1123 183:301 184:632 185:125 186:2107 187:1465 188:1893 189:1606 190:6154 192:6094 193:5819 194:4653 195:3656 196:1244 197:284 198:3998 199:5157 200:6014 201:2030 202:8839 203:8731 204:4477 205:2572 206:2780 207:2825 208:4072 209:3661 210:2897 211:1528 212:2101 213:1871 214:888 215:74 216:5176 217:1606 218:596 219:320 220:1257 221:542 222:336 223:365 End of report