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 22 Mar, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 488304 Prefixes after maximum aggregation: 192289 Deaggregation factor: 2.54 Unique aggregates announced to Internet: 240828 Total ASes present in the Internet Routing Table: 46406 Prefixes per ASN: 10.52 Origin-only ASes present in the Internet Routing Table: 35677 Origin ASes announcing only one prefix: 16383 Transit ASes present in the Internet Routing Table: 6041 Transit-only ASes present in the Internet Routing Table: 169 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 53 Max AS path prepend of ASN ( 50404) 51 Prefixes from unregistered ASNs in the Routing Table: 1866 Unregistered ASNs in the Routing Table: 475 Number of 32-bit ASNs allocated by the RIRs: 6186 Number of 32-bit ASNs visible in the Routing Table: 4688 Prefixes from 32-bit ASNs in the Routing Table: 15130 Number of bogon 32-bit ASNs visible in the Routing Table: 32 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 442 Number of addresses announced to Internet: 2659727108 Equivalent to 158 /8s, 136 /16s and 55 /24s Percentage of available address space announced: 71.8 Percentage of allocated address space announced: 71.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 95.9 Total number of prefixes smaller than registry allocations: 170366 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 115939 Total APNIC prefixes after maximum aggregation: 34611 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 118564 Unique aggregates announced from the APNIC address blocks: 49644 APNIC Region origin ASes present in the Internet Routing Table: 4895 APNIC Prefixes per ASN: 24.22 APNIC Region origin ASes announcing only one prefix: 1225 APNIC Region transit ASes present in the Internet Routing Table: 858 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 869 Number of APNIC addresses announced to Internet: 729638528 Equivalent to 43 /8s, 125 /16s and 102 /24s Percentage of available APNIC address space announced: 85.3 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-63999, 131072-133631 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: 166691 Total ARIN prefixes after maximum aggregation: 82932 ARIN Deaggregation factor: 2.01 Prefixes being announced from the ARIN address blocks: 168175 Unique aggregates announced from the ARIN address blocks: 78137 ARIN Region origin ASes present in the Internet Routing Table: 16196 ARIN Prefixes per ASN: 10.38 ARIN Region origin ASes announcing only one prefix: 6119 ARIN Region transit ASes present in the Internet Routing Table: 1660 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 21 Number of ARIN region 32-bit ASNs visible in the Routing Table: 76 Number of ARIN addresses announced to Internet: 1067388032 Equivalent to 63 /8s, 159 /16s and 12 /24s Percentage of available ARIN address space announced: 56.5 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: 122945 Total RIPE prefixes after maximum aggregation: 62062 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 126909 Unique aggregates announced from the RIPE address blocks: 80365 RIPE Region origin ASes present in the Internet Routing Table: 17647 RIPE Prefixes per ASN: 7.19 RIPE Region origin ASes announcing only one prefix: 8290 RIPE Region transit ASes present in the Internet Routing Table: 2862 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 53 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2672 Number of RIPE addresses announced to Internet: 657136260 Equivalent to 39 /8s, 43 /16s and 26 /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, 61952-62463, 196608-202239 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: 55145 Total LACNIC prefixes after maximum aggregation: 9992 LACNIC Deaggregation factor: 5.52 Prefixes being announced from the LACNIC address blocks: 61211 Unique aggregates announced from the LACNIC address blocks: 28016 LACNIC Region origin ASes present in the Internet Routing Table: 2078 LACNIC Prefixes per ASN: 29.46 LACNIC Region origin ASes announcing only one prefix: 544 LACNIC Region transit ASes present in the Internet Routing Table: 427 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1057 Number of LACNIC addresses announced to Internet: 153329024 Equivalent to 9 /8s, 35 /16s and 157 /24s Percentage of available LACNIC address space announced: 91.4 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: 12339 Total AfriNIC prefixes after maximum aggregation: 2655 AfriNIC Deaggregation factor: 4.65 Prefixes being announced from the AfriNIC address blocks: 13003 Unique aggregates announced from the AfriNIC address blocks: 4293 AfriNIC Region origin ASes present in the Internet Routing Table: 708 AfriNIC Prefixes per ASN: 18.37 AfriNIC Region origin ASes announcing only one prefix: 205 AfriNIC Region transit ASes present in the Internet Routing Table: 153 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 14 Number of AfriNIC addresses announced to Internet: 51886592 Equivalent to 3 /8s, 23 /16s and 186 /24s Percentage of available AfriNIC address space announced: 51.5 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 2980 11582 897 Korea Telecom 17974 2765 903 78 PT Telekomunikasi Indonesia 7545 2225 320 116 TPG Telecom Limited 4755 1840 396 197 TATA Communications formerly 9829 1604 1288 35 National Internet Backbone 4808 1350 2225 386 CNCGROUP IP network China169 9583 1307 102 533 Sify Limited 9498 1246 312 78 BHARTI Airtel Ltd. 7552 1228 1082 13 Viettel Corporation 24560 1124 384 177 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 3013 3688 53 BellSouth.net Inc. 22773 2417 2938 140 Cox Communications Inc. 1785 2185 694 128 PaeTec Communications, Inc. 18566 2048 379 178 MegaPath Corporation 20115 1694 1674 575 Charter Communications 4323 1624 1089 412 tw telecom holdings, inc. 701 1492 11174 763 MCI Communications Services, 30036 1391 301 556 Mediacom Communications Corp 6983 1328 800 308 ITC^Deltacom 22561 1304 402 232 CenturyTel Internet Holdings, 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 1751 544 16 OJSC "Vimpelcom" 34984 1519 264 248 TELLCOM ILETISIM HIZMETLERI A 20940 1300 508 970 Akamai International B.V. 13188 1049 100 28 TOV "Bank-Inform" 31148 1017 45 21 Freenet Ltd. 8551 951 370 41 Bezeq International-Ltd 6849 861 361 34 JSC "Ukrtelecom" 6830 762 2329 425 Liberty Global Operations B.V 12479 714 797 56 France Telecom Espana SA 35228 555 246 16 Telefonica UK Limited 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 3624 1943 94 NET Serviços de Comunicação S 10620 2789 446 199 Telmex Colombia S.A. 18881 1917 972 21 Global Village Telecom 7303 1746 1172 218 Telecom Argentina S.A. 8151 1394 2916 410 Uninet S.A. de C.V. 6503 1157 434 61 Axtel, S.A.B. de C.V. 7738 912 1754 40 Telemar Norte Leste S.A. 11830 866 364 15 Instituto Costarricense de El 27947 856 113 48 Telconet S.A 6147 787 373 27 Telefonica del Peru S.A.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 1637 240 6 Sudanese Mobile Telephone (ZA 24863 931 280 26 Link Egypt (Link.NET) 6713 603 701 28 Office National des Postes et 8452 520 958 13 TE-AS 24835 298 144 9 Vodafone Data 36992 282 783 24 ETISALAT MISR 3741 248 921 209 Internet Solutions 15706 219 32 6 Sudatel (Sudan Telecom Co. Lt 37054 215 19 6 Data Telecom Service 29571 211 22 18 Cote d'Ivoire Telecom 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 3624 1943 94 NET Serviços de Comunicação S 6389 3013 3688 53 BellSouth.net Inc. 4766 2980 11582 897 Korea Telecom 10620 2789 446 199 Telmex Colombia S.A. 17974 2765 903 78 PT Telekomunikasi Indonesia 22773 2417 2938 140 Cox Communications Inc. 7545 2225 320 116 TPG Telecom Limited 1785 2185 694 128 PaeTec Communications, Inc. 18566 2048 379 178 MegaPath Corporation 18881 1917 972 21 Global Village Telecom 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 3013 2960 BellSouth.net Inc. 17974 2765 2687 PT Telekomunikasi Indonesia 10620 2789 2590 Telmex Colombia S.A. 22773 2417 2277 Cox Communications Inc. 7545 2225 2109 TPG Telecom Limited 4766 2980 2083 Korea Telecom 1785 2185 2057 PaeTec Communications, Inc. 18881 1917 1896 Global Village Telecom 18566 2048 1870 MegaPath Corporation 8402 1751 1735 OJSC "Vimpelcom" Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65456 PRIVATE 5.109.32.0/19 23456 32bit Transition AS 65456 PRIVATE 5.109.96.0/19 23456 32bit Transition AS 65456 PRIVATE 5.245.224.0/19 23456 32bit Transition AS 30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio 14728 UNALLOCATED 8.8.192.0/23 3356 Level 3 Communicatio 14728 UNALLOCATED 8.8.196.0/22 3356 Level 3 Communicatio 14728 UNALLOCATED 8.8.200.0/23 3356 Level 3 Communicatio 14728 UNALLOCATED 8.8.202.0/23 3356 Level 3 Communicatio 53506 UNALLOCATED 8.17.102.0/23 2828 XO Communications 20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 27.100.7.0/24 56096 >>UNKNOWN<< 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.2.0/24 37004 >>UNKNOWN<< 41.73.10.0/24 37004 >>UNKNOWN<< 41.73.11.0/24 37004 >>UNKNOWN<< 41.73.12.0/24 37004 >>UNKNOWN<< 41.73.13.0/24 37004 >>UNKNOWN<< 41.73.14.0/24 37004 >>UNKNOWN<< 41.73.15.0/24 37004 >>UNKNOWN<< 41.73.16.0/24 37004 >>UNKNOWN<< 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 /9:12 /10:30 /11:90 /12:254 /13:477 /14:951 /15:1653 /16:12881 /17:6771 /18:11528 /19:23967 /20:33847 /21:36515 /22:52055 /23:45570 /24:259380 /25:816 /26:1000 /27:414 /28:12 /29:18 /30:8 /31:1 /32:38 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2003 2048 MegaPath Corporation 6389 1696 3013 BellSouth.net Inc. 22773 1654 2417 Cox Communications Inc. 36998 1599 1637 Sudanese Mobile Telephone (ZA 8402 1430 1751 OJSC "Vimpelcom" 30036 1229 1391 Mediacom Communications Corp 11492 1175 1222 CABLE ONE, INC. 1785 1169 2185 PaeTec Communications, Inc. 6983 1044 1328 ITC^Deltacom 34984 1004 1519 TELLCOM ILETISIM HIZMETLERI A Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:994 2:727 3:3 4:16 5:908 6:19 8:715 12:1863 13:4 14:977 15:13 16:3 17:31 18:21 20:35 23:745 24:1725 27:1763 31:1513 32:44 33:2 34:5 36:122 37:1828 38:942 39:4 40:195 41:3133 42:245 44:18 46:2144 47:18 49:671 50:915 52:12 54:47 55:7 57:26 58:1161 59:596 60:381 61:1525 62:1246 63:1985 64:4357 65:2259 66:4226 67:2044 68:1033 69:3288 70:850 71:461 72:1971 74:2662 75:314 76:406 77:1219 78:1041 79:699 80:1322 81:1134 82:681 83:755 84:754 85:1308 86:436 87:1198 88:521 89:1759 90:151 91:5801 92:668 93:1710 94:2055 95:1507 96:541 97:350 98:1077 99:46 100:50 101:819 103:4460 105:553 106:166 107:575 108:554 109:2016 110:979 111:1300 112:655 113:832 114:873 115:1107 116:1040 117:881 118:1358 119:1328 120:374 121:793 122:1920 123:1279 124:1453 125:1480 128:653 129:245 130:343 131:656 132:358 133:159 134:318 135:74 136:248 137:319 138:349 139:159 140:212 141:358 142:560 143:428 144:508 145:103 146:599 147:430 148:798 149:344 150:156 151:588 152:424 153:206 154:234 155:467 156:336 157:344 158:219 159:876 160:350 161:478 162:1258 163:222 164:680 165:619 166:280 167:602 168:1027 169:124 170:1287 171:192 172:23 173:1599 174:681 175:605 176:1465 177:2829 178:1945 179:606 180:1666 181:1022 182:1518 183:508 184:719 185:1421 186:2846 187:1479 188:1871 189:1430 190:7462 191:121 192:7167 193:5457 194:4015 195:3386 196:1367 197:1110 198:4983 199:5608 200:6051 201:2660 202:8969 203:8912 204:4668 205:2691 206:2933 207:2949 208:3953 209:3732 210:3084 211:1694 212:2225 213:2053 214:887 215:84 216:5532 217:1692 218:562 219:317 220:1284 221:594 222:350 223:609 End of report