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 03 May, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 493507 Prefixes after maximum aggregation: 193714 Deaggregation factor: 2.55 Unique aggregates announced to Internet: 244007 Total ASes present in the Internet Routing Table: 46734 Prefixes per ASN: 10.56 Origin-only ASes present in the Internet Routing Table: 35795 Origin ASes announcing only one prefix: 16388 Transit ASes present in the Internet Routing Table: 6056 Transit-only ASes present in the Internet Routing Table: 170 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: 1837 Unregistered ASNs in the Routing Table: 459 Number of 32-bit ASNs allocated by the RIRs: 6508 Number of 32-bit ASNs visible in the Routing Table: 4883 Prefixes from 32-bit ASNs in the Routing Table: 16259 Number of bogon 32-bit ASNs visible in the Routing Table: 133 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 441 Number of addresses announced to Internet: 2678216965 Equivalent to 159 /8s, 162 /16s and 89 /24s Percentage of available address space announced: 72.3 Percentage of allocated address space announced: 72.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 96.3 Total number of prefixes smaller than registry allocations: 171214 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 117313 Total APNIC prefixes after maximum aggregation: 34942 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 120226 Unique aggregates announced from the APNIC address blocks: 50108 APNIC Region origin ASes present in the Internet Routing Table: 4923 APNIC Prefixes per ASN: 24.42 APNIC Region origin ASes announcing only one prefix: 1231 APNIC Region transit ASes present in the Internet Routing Table: 860 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 931 Number of APNIC addresses announced to Internet: 732419201 Equivalent to 43 /8s, 167 /16s and 212 /24s Percentage of available APNIC address space announced: 85.6 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: 168115 Total ARIN prefixes after maximum aggregation: 83465 ARIN Deaggregation factor: 2.01 Prefixes being announced from the ARIN address blocks: 169561 Unique aggregates announced from the ARIN address blocks: 79577 ARIN Region origin ASes present in the Internet Routing Table: 16243 ARIN Prefixes per ASN: 10.44 ARIN Region origin ASes announcing only one prefix: 6118 ARIN Region transit ASes present in the Internet Routing Table: 1663 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: 96 Number of ARIN addresses announced to Internet: 1074634880 Equivalent to 64 /8s, 13 /16s and 160 /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: 123413 Total RIPE prefixes after maximum aggregation: 62512 RIPE Deaggregation factor: 1.97 Prefixes being announced from the RIPE address blocks: 127972 Unique aggregates announced from the RIPE address blocks: 80777 RIPE Region origin ASes present in the Internet Routing Table: 17675 RIPE Prefixes per ASN: 7.24 RIPE Region origin ASes announcing only one prefix: 8280 RIPE Region transit ASes present in the Internet Routing Table: 2868 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: 2698 Number of RIPE addresses announced to Internet: 657606020 Equivalent to 39 /8s, 50 /16s and 69 /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: 56426 Total LACNIC prefixes after maximum aggregation: 10071 LACNIC Deaggregation factor: 5.60 Prefixes being announced from the LACNIC address blocks: 62759 Unique aggregates announced from the LACNIC address blocks: 28862 LACNIC Region origin ASes present in the Internet Routing Table: 2095 LACNIC Prefixes per ASN: 29.96 LACNIC Region origin ASes announcing only one prefix: 550 LACNIC Region transit ASes present in the Internet Routing Table: 430 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 34 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1133 Number of LACNIC addresses announced to Internet: 159008128 Equivalent to 9 /8s, 122 /16s and 69 /24s Percentage of available LACNIC address space announced: 94.8 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: 11875 Total AfriNIC prefixes after maximum aggregation: 2687 AfriNIC Deaggregation factor: 4.42 Prefixes being announced from the AfriNIC address blocks: 12548 Unique aggregates announced from the AfriNIC address blocks: 4311 AfriNIC Region origin ASes present in the Internet Routing Table: 720 AfriNIC Prefixes per ASN: 17.43 AfriNIC Region origin ASes announcing only one prefix: 209 AfriNIC Region transit ASes present in the Internet Routing Table: 151 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25 Number of AfriNIC addresses announced to Internet: 54232064 Equivalent to 3 /8s, 59 /16s and 132 /24s Percentage of available AfriNIC address space announced: 53.9 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 2947 11591 922 Korea Telecom 17974 2798 903 78 PT Telekomunikasi Indonesia 7545 2219 320 117 TPG Telecom Limited 4755 1852 396 198 TATA Communications formerly 9829 1622 1288 35 National Internet Backbone 9583 1327 103 546 Sify Limited 9498 1257 314 84 BHARTI Airtel Ltd. 7552 1219 1082 13 Viettel Corporation 4808 1210 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 6389 2971 3688 53 BellSouth.net Inc. 22773 2417 2937 134 Cox Communications Inc. 1785 2201 700 135 PaeTec Communications, Inc. 18566 2047 379 178 MegaPath Corporation 20115 1706 1690 561 Charter Communications 4323 1628 1073 408 tw telecom holdings, inc. 701 1481 11158 750 MCI Communications Services, 30036 1400 302 546 Mediacom Communications Corp 6983 1327 800 307 ITC^Deltacom 22561 1302 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 34984 1709 264 271 TELLCOM ILETISIM HIZMETLERI A 8402 1520 544 16 OJSC "Vimpelcom" 20940 1302 497 978 Akamai International B.V. 13188 1049 100 28 TOV "Bank-Inform" 31148 1018 45 19 Freenet Ltd. 8551 918 370 40 Bezeq International-Ltd 6849 825 357 28 JSC "Ukrtelecom" 6830 766 2333 427 Liberty Global Operations B.V 12479 720 797 56 France Telecom Espana SA 9198 574 344 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 3739 1957 99 NET Serviços de Comunicação S 10620 2850 461 202 Telmex Colombia S.A. 18881 1967 972 21 Global Village Telecom 7303 1753 1174 228 Telecom Argentina S.A. 8151 1400 2930 405 Uninet S.A. de C.V. 6503 1111 434 60 Axtel, S.A.B. de C.V. 7738 914 1754 40 Telemar Norte Leste S.A. 27947 867 114 52 Telconet S.A 11830 842 364 15 Instituto Costarricense de El 26615 842 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 1114 240 6 Sudanese Mobile Telephone (ZA 24863 961 280 26 Link Egypt (Link.NET) 6713 614 722 28 Office National des Postes et 8452 578 958 13 TE-AS 24835 304 144 9 Vodafone Data 36992 275 783 24 ETISALAT MISR 3741 248 921 209 Internet Solutions 29571 228 22 23 Cote d'Ivoire Telecom 37054 216 19 6 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 3739 1957 99 NET Serviços de Comunicação S 6389 2971 3688 53 BellSouth.net Inc. 4766 2947 11591 922 Korea Telecom 10620 2850 461 202 Telmex Colombia S.A. 17974 2798 903 78 PT Telekomunikasi Indonesia 22773 2417 2937 134 Cox Communications Inc. 7545 2219 320 117 TPG Telecom Limited 1785 2201 700 135 PaeTec Communications, Inc. 18566 2047 379 178 MegaPath Corporation 18881 1967 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 2971 2918 BellSouth.net Inc. 17974 2798 2720 PT Telekomunikasi Indonesia 10620 2850 2648 Telmex Colombia S.A. 22773 2417 2283 Cox Communications Inc. 7545 2219 2102 TPG Telecom Limited 1785 2201 2066 PaeTec Communications, Inc. 4766 2947 2025 Korea Telecom 18881 1967 1946 Global Village Telecom 18566 2047 1869 MegaPath Corporation 4755 1852 1654 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 /12:257 /13:481 /14:964 /15:1697 /16:12960 /17:6813 /18:11593 /19:24278 /20:34188 /21:36791 /22:52944 /23:46162 /24:262047 /25:785 /26:932 /27:395 /28:13 /29:15 /30:5 /31:0 /32:38 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2002 2047 MegaPath Corporation 6389 1692 2971 BellSouth.net Inc. 22773 1660 2417 Cox Communications Inc. 30036 1238 1400 Mediacom Communications Corp 8402 1197 1520 OJSC "Vimpelcom" 11492 1197 1240 CABLE ONE, INC. 1785 1165 2201 PaeTec Communications, Inc. 36998 1080 1114 Sudanese Mobile Telephone (ZA 6983 1043 1327 ITC^Deltacom 34984 1038 1709 TELLCOM ILETISIM HIZMETLERI A Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1028 2:680 3:3 4:15 5:983 6:19 8:736 12:1848 13:4 14:987 15:13 16:2 17:31 18:21 20:36 23:854 24:1735 25:1 27:1779 31:1477 32:40 33:2 34:5 36:131 37:1879 38:955 39:6 40:196 41:3181 42:247 44:10 46:2174 47:18 49:696 50:917 52:12 54:47 55:7 57:28 58:1229 59:601 60:403 61:1547 62:1234 63:1959 64:4378 65:2288 66:4147 67:2063 68:1035 69:3307 70:856 71:445 72:2011 74:2657 75:311 76:418 77:1529 78:935 79:711 80:1298 81:1165 82:743 83:756 84:728 85:1259 86:470 87:1172 88:482 89:1801 90:140 91:5703 92:694 93:1712 94:2042 95:1467 96:544 97:349 98:1075 99:48 100:54 101:789 103:4752 105:536 106:173 107:606 108:579 109:2049 110:968 111:1293 112:657 113:847 114:902 115:1119 116:1061 117:925 118:1393 119:1345 120:377 121:806 122:2041 123:1326 124:1414 125:1401 128:649 129:313 130:345 131:660 132:399 133:162 134:323 135:74 136:256 137:324 138:352 139:170 140:213 141:367 142:579 143:439 144:507 145:100 146:603 147:452 148:924 149:346 150:167 151:634 152:423 153:218 154:273 155:482 156:336 157:337 158:241 159:896 160:332 161:532 162:1367 163:218 164:688 165:598 166:278 167:610 168:1030 169:124 170:1393 171:191 172:22 173:1634 174:701 175:608 176:1415 177:2869 178:1961 179:612 180:1715 181:1132 182:1556 183:511 184:713 185:1569 186:2748 187:1533 188:1921 189:1470 190:7530 191:245 192:7250 193:5497 194:4039 195:3484 196:1398 197:640 198:5034 199:5581 200:6248 201:2703 202:9020 203:8885 204:4630 205:2709 206:2950 207:2945 208:3986 209:3718 210:3102 211:1678 212:2254 213:2068 214:921 215:86 216:5518 217:1685 218:575 219:318 220:1280 221:595 222:353 223:579 End of report