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 26 Apr, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 493063 Prefixes after maximum aggregation: 193477 Deaggregation factor: 2.55 Unique aggregates announced to Internet: 243258 Total ASes present in the Internet Routing Table: 46682 Prefixes per ASN: 10.56 Origin-only ASes present in the Internet Routing Table: 35791 Origin ASes announcing only one prefix: 16372 Transit ASes present in the Internet Routing Table: 6040 Transit-only ASes present in the Internet Routing Table: 171 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 53 Max AS path prepend of ASN ( 50404) 51 Prefixes from unregistered ASNs in the Routing Table: 1841 Unregistered ASNs in the Routing Table: 464 Number of 32-bit ASNs allocated by the RIRs: 6448 Number of 32-bit ASNs visible in the Routing Table: 4851 Prefixes from 32-bit ASNs in the Routing Table: 16028 Number of bogon 32-bit ASNs visible in the Routing Table: 119 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 439 Number of addresses announced to Internet: 2674874628 Equivalent to 159 /8s, 111 /16s and 89 /24s Percentage of available address space announced: 72.2 Percentage of allocated address space announced: 72.2 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 96.2 Total number of prefixes smaller than registry allocations: 171870 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 116858 Total APNIC prefixes after maximum aggregation: 34890 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 119729 Unique aggregates announced from the APNIC address blocks: 50015 APNIC Region origin ASes present in the Internet Routing Table: 4919 APNIC Prefixes per ASN: 24.34 APNIC Region origin ASes announcing only one prefix: 1227 APNIC Region transit ASes present in the Internet Routing Table: 855 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 918 Number of APNIC addresses announced to Internet: 731520128 Equivalent to 43 /8s, 154 /16s and 28 /24s Percentage of available APNIC address space announced: 85.5 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 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: 168391 Total ARIN prefixes after maximum aggregation: 83324 ARIN Deaggregation factor: 2.02 Prefixes being announced from the ARIN address blocks: 169871 Unique aggregates announced from the ARIN address blocks: 79347 ARIN Region origin ASes present in the Internet Routing Table: 16229 ARIN Prefixes per ASN: 10.47 ARIN Region origin ASes announcing only one prefix: 6102 ARIN Region transit ASes present in the Internet Routing Table: 1669 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 20 Number of ARIN region 32-bit ASNs visible in the Routing Table: 91 Number of ARIN addresses announced to Internet: 1074255232 Equivalent to 64 /8s, 7 /16s and 213 /24s Percentage of available ARIN address space announced: 56.8 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: 123498 Total RIPE prefixes after maximum aggregation: 62495 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 127840 Unique aggregates announced from the RIPE address blocks: 80671 RIPE Region origin ASes present in the Internet Routing Table: 17683 RIPE Prefixes per ASN: 7.23 RIPE Region origin ASes announcing only one prefix: 8293 RIPE Region transit ASes present in the Internet Routing Table: 2857 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: 2693 Number of RIPE addresses announced to Internet: 657666948 Equivalent to 39 /8s, 51 /16s and 51 /24s Percentage of available RIPE address space announced: 95.6 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: 55855 Total LACNIC prefixes after maximum aggregation: 10052 LACNIC Deaggregation factor: 5.56 Prefixes being announced from the LACNIC address blocks: 62175 Unique aggregates announced from the LACNIC address blocks: 28563 LACNIC Region origin ASes present in the Internet Routing Table: 2090 LACNIC Prefixes per ASN: 29.75 LACNIC Region origin ASes announcing only one prefix: 548 LACNIC Region transit ASes present in the Internet Routing Table: 431 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1125 Number of LACNIC addresses announced to Internet: 157874816 Equivalent to 9 /8s, 104 /16s and 250 /24s Percentage of available LACNIC address space announced: 94.1 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: 12331 Total AfriNIC prefixes after maximum aggregation: 2679 AfriNIC Deaggregation factor: 4.60 Prefixes being announced from the AfriNIC address blocks: 13009 Unique aggregates announced from the AfriNIC address blocks: 4295 AfriNIC Region origin ASes present in the Internet Routing Table: 714 AfriNIC Prefixes per ASN: 18.22 AfriNIC Region origin ASes announcing only one prefix: 202 AfriNIC Region transit ASes present in the Internet Routing Table: 149 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24 Number of AfriNIC addresses announced to Internet: 53239808 Equivalent to 3 /8s, 44 /16s and 96 /24s Percentage of available AfriNIC address space announced: 52.9 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 2953 11591 922 Korea Telecom 17974 2798 903 78 PT Telekomunikasi Indonesia 7545 2214 320 117 TPG Telecom Limited 4755 1850 396 198 TATA Communications formerly 9829 1622 1288 35 National Internet Backbone 9583 1334 103 545 Sify Limited 9498 1254 314 83 BHARTI Airtel Ltd. 7552 1219 1082 13 Viettel Corporation 4808 1209 2151 355 CNCGROUP IP network China169 24560 1126 385 175 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 22773 3063 2937 134 Cox Communications Inc. 6389 2984 3688 53 BellSouth.net Inc. 1785 2196 699 133 PaeTec Communications, Inc. 18566 2047 379 178 MegaPath Corporation 20115 1705 1690 566 Charter Communications 4323 1628 1073 407 tw telecom holdings, inc. 701 1481 11158 750 MCI Communications Services, 30036 1400 303 542 Mediacom Communications Corp 6983 1325 800 307 ITC^Deltacom 22561 1299 401 230 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 34984 1668 264 277 TELLCOM ILETISIM HIZMETLERI A 8402 1596 544 16 OJSC "Vimpelcom" 20940 1312 502 989 Akamai International B.V. 13188 1049 100 28 TOV "Bank-Inform" 31148 1018 45 19 Freenet Ltd. 8551 923 370 40 Bezeq International-Ltd 6849 827 359 29 JSC "Ukrtelecom" 6830 764 2329 424 Liberty Global Operations B.V 12479 720 797 56 France Telecom Espana SA 9198 572 344 25 JSC Kazakhtelecom 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 3699 1955 99 NET Serviços de Comunicação S 10620 2844 459 199 Telmex Colombia S.A. 18881 1931 972 21 Global Village Telecom 7303 1754 1174 229 Telecom Argentina S.A. 8151 1394 2943 400 Uninet S.A. de C.V. 6503 1154 434 60 Axtel, S.A.B. de C.V. 7738 914 1754 40 Telemar Norte Leste S.A. 27947 868 114 50 Telconet S.A 11830 844 364 15 Instituto Costarricense de El 26615 843 2325 35 Tim Celular 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 1634 240 6 Sudanese Mobile Telephone (ZA 24863 954 280 26 Link Egypt (Link.NET) 6713 614 722 28 Office National des Postes et 8452 569 958 13 TE-AS 24835 304 144 9 Vodafone Data 36992 275 783 24 ETISALAT MISR 3741 248 921 209 Internet Solutions 29571 230 22 23 Cote d'Ivoire Telecom 37054 228 20 9 Data Telecom Service 29975 192 668 21 Vodacom 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 3699 1955 99 NET Serviços de Comunicação S 22773 3063 2937 134 Cox Communications Inc. 6389 2984 3688 53 BellSouth.net Inc. 4766 2953 11591 922 Korea Telecom 10620 2844 459 199 Telmex Colombia S.A. 17974 2798 903 78 PT Telekomunikasi Indonesia 7545 2214 320 117 TPG Telecom Limited 1785 2196 699 133 PaeTec Communications, Inc. 18566 2047 379 178 MegaPath Corporation 18881 1931 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 2984 2931 BellSouth.net Inc. 22773 3063 2929 Cox Communications Inc. 17974 2798 2720 PT Telekomunikasi Indonesia 10620 2844 2645 Telmex Colombia S.A. 7545 2214 2097 TPG Telecom Limited 1785 2196 2063 PaeTec Communications, Inc. 4766 2953 2031 Korea Telecom 18881 1931 1910 Global Village Telecom 18566 2047 1869 MegaPath Corporation 4755 1850 1652 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 65456 PRIVATE 5.109.32.0/19 23456 32bit Transition AS 65456 PRIVATE 5.109.96.0/19 23456 32bit Transition AS 30662 UNALLOCATED 8.2.129.0/24 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 20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio 46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser 46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser 22511 UNALLOCATED 8.28.225.0/24 2828 XO Communications 22511 UNALLOCATED 8.36.68.0/24 2828 XO Communications 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 /10:31 /11:90 /12:256 /13:480 /14:961 /15:1682 /16:12952 /17:6824 /18:11580 /19:24248 /20:33938 /21:36684 /22:53119 /23:46191 /24:261776 /25:797 /26:943 /27:404 /28:13 /29:20 /30:7 /31:1 /32:38 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2306 3063 Cox Communications Inc. 18566 2002 2047 MegaPath Corporation 6389 1694 2984 BellSouth.net Inc. 36998 1599 1634 Sudanese Mobile Telephone (ZA 8402 1275 1596 OJSC "Vimpelcom" 30036 1237 1400 Mediacom Communications Corp 11492 1190 1234 CABLE ONE, INC. 1785 1162 2196 PaeTec Communications, Inc. 6983 1042 1325 ITC^Deltacom 34984 1030 1668 TELLCOM ILETISIM HIZMETLERI A Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1024 2:696 3:3 4:15 5:973 6:19 8:733 12:1851 13:4 14:987 15:13 16:2 17:31 18:21 20:36 23:807 24:1747 25:1 27:1777 31:1452 32:40 33:2 34:5 36:132 37:1891 38:949 39:6 40:196 41:3187 42:249 44:10 46:2145 47:18 49:694 50:921 52:12 54:47 55:5 57:28 58:1228 59:603 60:398 61:1545 62:1233 63:1987 64:4375 65:2278 66:4148 67:2062 68:1034 69:3285 70:865 71:452 72:2025 74:2616 75:312 76:418 77:1515 78:964 79:710 80:1306 81:1150 82:738 83:755 84:716 85:1260 86:470 87:1188 88:524 89:1803 90:140 91:5725 92:684 93:1715 94:2049 95:1473 96:547 97:348 98:1082 99:48 100:54 101:782 103:4688 105:534 106:172 107:564 108:577 109:2089 110:985 111:1288 112:645 113:844 114:898 115:1116 116:1057 117:926 118:1411 119:1341 120:375 121:802 122:1970 123:1286 124:1397 125:1398 128:642 129:312 130:346 131:659 132:393 133:162 134:335 135:74 136:256 137:322 138:352 139:170 140:211 141:368 142:570 143:422 144:505 145:100 146:597 147:453 148:925 149:347 150:169 151:634 152:422 153:218 154:270 155:481 156:337 157:341 158:244 159:894 160:337 161:483 162:1349 163:218 164:688 165:613 166:279 167:610 168:1028 169:124 170:1386 171:191 172:22 173:1643 174:699 175:607 176:1372 177:2882 178:1963 179:591 180:1724 181:1110 182:1551 183:514 184:705 185:1544 186:2737 187:1497 188:1930 189:1479 190:7445 191:213 192:7222 193:5486 194:4038 195:3495 196:1402 197:1122 198:5022 199:5588 200:6220 201:2642 202:8964 203:8988 204:4646 205:2720 206:2942 207:2940 208:3990 209:3735 210:3106 211:1675 212:2192 213:2049 214:917 215:84 216:5454 217:1682 218:569 219:316 220:1276 221:598 222:350 223:579 End of report