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 27 Sep, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 512186 Prefixes after maximum aggregation: 198722 Deaggregation factor: 2.58 Unique aggregates announced to Internet: 252159 Total ASes present in the Internet Routing Table: 48124 Prefixes per ASN: 10.64 Origin-only ASes present in the Internet Routing Table: 36176 Origin ASes announcing only one prefix: 16357 Transit ASes present in the Internet Routing Table: 6173 Transit-only ASes present in the Internet Routing Table: 176 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 68 Max AS path prepend of ASN ( 55644) 61 Prefixes from unregistered ASNs in the Routing Table: 1761 Unregistered ASNs in the Routing Table: 448 Number of 32-bit ASNs allocated by the RIRs: 7505 Number of 32-bit ASNs visible in the Routing Table: 5775 Prefixes from 32-bit ASNs in the Routing Table: 20231 Number of bogon 32-bit ASNs visible in the Routing Table: 13 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 358 Number of addresses announced to Internet: 2709988068 Equivalent to 161 /8s, 135 /16s and 34 /24s Percentage of available address space announced: 73.2 Percentage of allocated address space announced: 73.2 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 96.9 Total number of prefixes smaller than registry allocations: 175400 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 125220 Total APNIC prefixes after maximum aggregation: 36661 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 128967 Unique aggregates announced from the APNIC address blocks: 53231 APNIC Region origin ASes present in the Internet Routing Table: 4982 APNIC Prefixes per ASN: 25.89 APNIC Region origin ASes announcing only one prefix: 1201 APNIC Region transit ASes present in the Internet Routing Table: 866 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 68 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1110 Number of APNIC addresses announced to Internet: 734586688 Equivalent to 43 /8s, 200 /16s and 231 /24s Percentage of available APNIC address space announced: 85.9 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 131072-135580 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: 170487 Total ARIN prefixes after maximum aggregation: 85188 ARIN Deaggregation factor: 2.00 Prefixes being announced from the ARIN address blocks: 172481 Unique aggregates announced from the ARIN address blocks: 80696 ARIN Region origin ASes present in the Internet Routing Table: 16365 ARIN Prefixes per ASN: 10.54 ARIN Region origin ASes announcing only one prefix: 6093 ARIN Region transit ASes present in the Internet Routing Table: 1699 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 208 Number of ARIN addresses announced to Internet: 1084878240 Equivalent to 64 /8s, 169 /16s and 237 /24s Percentage of available ARIN address space announced: 57.4 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: 125076 Total RIPE prefixes after maximum aggregation: 63321 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 130217 Unique aggregates announced from the RIPE address blocks: 82829 RIPE Region origin ASes present in the Internet Routing Table: 17733 RIPE Prefixes per ASN: 7.34 RIPE Region origin ASes announcing only one prefix: 8213 RIPE Region transit ASes present in the Internet Routing Table: 2905 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3071 Number of RIPE addresses announced to Internet: 659421828 Equivalent to 39 /8s, 77 /16s and 250 /24s Percentage of available RIPE address space announced: 95.9 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: 59763 Total LACNIC prefixes after maximum aggregation: 10685 LACNIC Deaggregation factor: 5.59 Prefixes being announced from the LACNIC address blocks: 68010 Unique aggregates announced from the LACNIC address blocks: 30357 LACNIC Region origin ASes present in the Internet Routing Table: 2321 LACNIC Prefixes per ASN: 29.30 LACNIC Region origin ASes announcing only one prefix: 633 LACNIC Region transit ASes present in the Internet Routing Table: 457 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1330 Number of LACNIC addresses announced to Internet: 171055744 Equivalent to 10 /8s, 50 /16s and 26 /24s Percentage of available LACNIC address space announced: 102.0 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-265628 + 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: 11305 Total AfriNIC prefixes after maximum aggregation: 2821 AfriNIC Deaggregation factor: 4.01 Prefixes being announced from the AfriNIC address blocks: 12153 Unique aggregates announced from the AfriNIC address blocks: 4730 AfriNIC Region origin ASes present in the Internet Routing Table: 741 AfriNIC Prefixes per ASN: 16.40 AfriNIC Region origin ASes announcing only one prefix: 217 AfriNIC Region transit ASes present in the Internet Routing Table: 159 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 56 Number of AfriNIC addresses announced to Internet: 59753216 Equivalent to 3 /8s, 143 /16s and 195 /24s Percentage of available AfriNIC address space announced: 59.4 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 2928 11583 924 Korea Telecom 17974 2812 900 74 PT Telekomunikasi Indonesia 7545 2354 336 121 TPG Telecom Limited 4755 1910 413 192 TATA Communications formerly 9829 1633 1306 38 National Internet Backbone 4808 1430 2215 421 CNCGROUP IP network China169 9583 1320 105 541 Sify Limited 9498 1304 333 91 BHARTI Airtel Ltd. 9808 1283 6634 13 Guangdong Mobile Communicatio 7552 1229 1098 14 Viettel Corporation 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 2897 3688 51 BellSouth.net Inc. 22773 2895 2940 141 Cox Communications Inc. 18566 2045 379 181 MegaPath Corporation 7029 1934 1975 333 Windstream Communications Inc 20115 1797 1781 489 Charter Communications 4323 1629 1051 409 tw telecom holdings, inc. 6983 1498 867 251 ITC^Deltacom 30036 1494 311 608 Mediacom Communications Corp 701 1437 11258 720 MCI Communications Services, 22561 1308 408 237 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 1816 296 345 TELLCOM ILETISIM HIZMETLERI A 20940 1477 573 1086 Akamai International B.V. 8402 1416 544 15 OJSC "Vimpelcom" 31148 1043 45 21 Freenet Ltd. 13188 1034 100 31 TOV "Bank-Inform" 8551 962 372 42 Bezeq International-Ltd 6849 829 356 26 JSC "Ukrtelecom" 12479 804 798 58 France Telecom Espana SA 6830 776 2335 431 Liberty Global Operations B.V 9198 629 346 28 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 3041 2310 110 NET Serviços de Comunicação S 10620 2981 483 250 Telmex Colombia S.A. 18881 2108 1036 22 Global Village Telecom 7303 1765 1175 234 Telecom Argentina S.A. 6147 1734 374 30 Telefonica del Peru S.A.A. 8151 1472 2998 433 Uninet S.A. de C.V. 6503 1118 434 61 Axtel, S.A.B. de C.V. 7738 999 1882 41 Telemar Norte Leste S.A. 27947 909 130 51 Telconet S.A 26615 872 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 24863 949 280 26 Link Egypt (Link.NET) 6713 678 760 38 Office National des Postes et 8452 555 958 13 TE-AS 36992 347 824 27 ETISALAT MISR 24835 307 144 9 Vodafone Data 3741 249 920 212 Internet Solutions 29571 245 22 17 Cote d'Ivoire Telecom 37054 233 19 6 Data Telecom Service 15706 186 17 6 Sudatel (Sudan Telecom Co. Lt 12258 174 26 71 MWEB CONNECT (PROPRIETARY) LI 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 3041 2310 110 NET Serviços de Comunicação S 10620 2981 483 250 Telmex Colombia S.A. 4766 2928 11583 924 Korea Telecom 6389 2897 3688 51 BellSouth.net Inc. 22773 2895 2940 141 Cox Communications Inc. 17974 2812 900 74 PT Telekomunikasi Indonesia 7545 2354 336 121 TPG Telecom Limited 18881 2108 1036 22 Global Village Telecom 18566 2045 379 181 MegaPath Corporation 7029 1934 1975 333 Windstream Communications Inc 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 2897 2846 BellSouth.net Inc. 22773 2895 2754 Cox Communications Inc. 17974 2812 2738 PT Telekomunikasi Indonesia 10620 2981 2731 Telmex Colombia S.A. 7545 2354 2233 TPG Telecom Limited 18881 2108 2086 Global Village Telecom 4766 2928 2004 Korea Telecom 18566 2045 1864 MegaPath Corporation 4755 1910 1718 TATA Communications formerly 6147 1734 1704 Telefonica del Peru S.A.A. Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 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 55020 UNALLOCATED 8.30.123.0/24 3356 Level 3 Communicatio 27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati 15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I 33628 UNALLOCATED 12.0.239.0/24 1239 Sprint Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 5.100.241.0/24 23456 32bit Transition AS 24.231.96.0/24 21548 MTO Telecom Inc. 27.100.7.0/24 56096 >>UNKNOWN<< 31.217.248.0/21 44902 COVAGE NETWORKS SASU 37.16.88.0/23 57652 >>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<< 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 /12:262 /13:504 /14:998 /15:1711 /16:13033 /17:7098 /18:11836 /19:24585 /20:35270 /21:37688 /22:54834 /23:48041 /24:273273 /25:1075 /26:1054 /27:718 /28:14 /29:19 /30:10 /31:1 /32:13 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2128 2895 Cox Communications Inc. 18566 2000 2045 MegaPath Corporation 6389 1676 2897 BellSouth.net Inc. 30036 1339 1494 Mediacom Communications Corp 6147 1301 1734 Telefonica del Peru S.A.A. 6983 1186 1498 ITC^Deltacom 7029 1138 1934 Windstream Communications Inc 34984 1136 1816 TELLCOM ILETISIM HIZMETLERI A 11492 1128 1176 CABLE ONE, INC. 8402 1096 1416 OJSC "Vimpelcom" Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1344 2:664 3:3 4:18 5:1144 6:21 8:758 12:1848 13:4 14:1125 15:17 16:2 17:42 18:21 20:51 23:925 24:1755 27:1805 31:1412 32:39 33:2 34:5 36:155 37:1783 38:999 39:11 40:225 41:2614 42:268 43:390 44:16 45:76 46:2177 47:25 49:738 50:801 52:12 54:52 55:6 56:6 57:32 58:1209 59:661 60:432 61:1718 62:1271 63:1829 64:4411 65:2294 66:4183 67:2041 68:1047 69:3280 70:865 71:473 72:1995 74:2594 75:372 76:409 77:1604 78:853 79:729 80:1323 81:1208 82:792 83:777 84:742 85:1322 86:447 87:1159 88:469 89:1755 90:138 91:5755 92:755 93:1796 94:2068 95:1282 96:427 97:342 98:1100 99:48 100:66 101:723 103:5685 104:287 105:137 106:184 107:637 108:576 109:1980 110:1036 111:1383 112:716 113:896 114:780 115:1212 116:1118 117:990 118:1574 119:1413 120:429 121:973 122:2196 123:1618 124:1437 125:1577 128:596 129:348 130:365 131:824 132:430 133:165 134:324 135:78 136:305 137:290 138:378 139:195 140:222 141:405 142:580 143:435 144:506 145:110 146:688 147:554 148:958 149:407 150:496 151:709 152:470 153:240 154:353 155:544 156:371 157:331 158:279 159:933 160:325 161:600 162:1781 163:357 164:703 165:663 166:364 167:675 168:1119 169:121 170:1416 171:185 172:61 173:1640 174:703 175:615 176:1507 177:3554 178:2082 179:795 180:1761 181:1599 182:1659 183:533 184:725 185:2100 186:2945 187:1689 188:2220 189:1491 190:7812 191:757 192:7563 193:5514 194:4048 195:3592 196:1433 197:653 198:5147 199:5488 200:6502 201:2889 202:9161 203:8985 204:4582 205:2655 206:2963 207:2944 208:3915 209:3740 210:3296 211:1822 212:2360 213:2153 214:867 215:87 216:5620 217:1698 218:617 219:395 220:1369 221:699 222:484 223:597 End of report