Routing Table Report 08:00 +10GMT Tue 16 Sep, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 504622 Prefixes after maximum aggregation: 196829 Deaggregation factor: 2.56 Unique aggregates announced to Internet: 254701 Total ASes present in the Internet Routing Table: 47865 Prefixes per ASN: 10.54 Origin-only ASes present in the Internet Routing Table: 36144 Origin ASes announcing only one prefix: 16412 Transit ASes present in the Internet Routing Table: 6024 Transit-only ASes present in the Internet Routing Table: 146 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 42 Max AS path prepend of ASN ( 62159) 40 Prefixes from unregistered ASNs in the Routing Table: 1820 Unregistered ASNs in the Routing Table: 473 Number of 32-bit ASNs allocated by the RIRs: 7403 Number of 32-bit ASNs visible in the Routing Table: 5697 Prefixes from 32-bit ASNs in the Routing Table: 19903 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 10 Prefixes being announced from unallocated address space: 388 Number of addresses announced to Internet: 2726460167 Equivalent to 162 /8s, 130 /16s and 123 /24s Percentage of available address space announced: 73.6 Percentage of allocated address space announced: 73.6 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: 172685 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 119611 Total APNIC prefixes after maximum aggregation: 35504 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 124037 Unique aggregates announced from the APNIC address blocks: 52728 APNIC Region origin ASes present in the Internet Routing Table: 4942 APNIC Prefixes per ASN: 25.10 APNIC Region origin ASes announcing only one prefix: 1231 APNIC Region transit ASes present in the Internet Routing Table: 828 Average APNIC Region AS path length visible: 3.9 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1088 Number of APNIC addresses announced to Internet: 735305472 Equivalent to 43 /8s, 211 /16s and 223 /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: 168478 Total ARIN prefixes after maximum aggregation: 84793 ARIN Deaggregation factor: 1.99 Prefixes being announced from the ARIN address blocks: 170600 Unique aggregates announced from the ARIN address blocks: 84353 ARIN Region origin ASes present in the Internet Routing Table: 16327 ARIN Prefixes per ASN: 10.45 ARIN Region origin ASes announcing only one prefix: 6124 ARIN Region transit ASes present in the Internet Routing Table: 1636 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 192 Number of ARIN addresses announced to Internet: 1079360000 Equivalent to 64 /8s, 85 /16s and 186 /24s Percentage of available ARIN address space announced: 57.1 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: 125025 Total RIPE prefixes after maximum aggregation: 63183 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 130147 Unique aggregates announced from the RIPE address blocks: 82390 RIPE Region origin ASes present in the Internet Routing Table: 17716 RIPE Prefixes per ASN: 7.35 RIPE Region origin ASes announcing only one prefix: 8212 RIPE Region transit ASes present in the Internet Routing Table: 2881 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 42 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3056 Number of RIPE addresses announced to Internet: 659131648 Equivalent to 39 /8s, 73 /16s and 141 /24s Percentage of available RIPE address space announced: 95.8 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: 59308 Total LACNIC prefixes after maximum aggregation: 10523 LACNIC Deaggregation factor: 5.64 Prefixes being announced from the LACNIC address blocks: 67402 Unique aggregates announced from the LACNIC address blocks: 30266 LACNIC Region origin ASes present in the Internet Routing Table: 2296 LACNIC Prefixes per ASN: 29.36 LACNIC Region origin ASes announcing only one prefix: 634 LACNIC Region transit ASes present in the Internet Routing Table: 449 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 20 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1312 Number of LACNIC addresses announced to Internet: 170803968 Equivalent to 10 /8s, 46 /16s and 67 /24s Percentage of available LACNIC address space announced: 101.8 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: 11238 Total AfriNIC prefixes after maximum aggregation: 2782 AfriNIC Deaggregation factor: 4.04 Prefixes being announced from the AfriNIC address blocks: 12047 Unique aggregates announced from the AfriNIC address blocks: 4626 AfriNIC Region origin ASes present in the Internet Routing Table: 712 AfriNIC Prefixes per ASN: 16.92 AfriNIC Region origin ASes announcing only one prefix: 211 AfriNIC Region transit ASes present in the Internet Routing Table: 147 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 49 Number of AfriNIC addresses announced to Internet: 59277824 Equivalent to 3 /8s, 136 /16s and 130 /24s Percentage of available AfriNIC address space announced: 58.9 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 17974 2813 900 74 PT Telekomunikasi Indonesia 4766 2226 11584 630 Korea Telecom 7545 2204 335 117 TPG Telecom Limited 4755 1921 434 202 TATA Communications formerly 9829 1641 1306 38 National Internet Backbone 9583 1375 111 563 Sify Limited 9498 1305 333 92 BHARTI Airtel Ltd. 9808 1210 6639 15 Guangdong Mobile Communicatio 24560 1173 406 191 Bharti Airtel Ltd., Telemedia 7552 1122 1098 14 Viettel Corporation Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 2895 3688 51 BellSouth.net Inc. 22773 2887 2940 143 Cox Communications Inc. 18566 2042 379 177 MegaPath Corporation 7029 1901 1958 318 Windstream Communications Inc 20115 1782 1767 502 Charter Communications 4323 1631 1071 410 tw telecom holdings, inc. 30036 1528 322 576 Mediacom Communications Corp 6983 1476 801 310 ITC^Deltacom 701 1440 11258 722 MCI Communications Services, 22561 1306 408 237 CenturyTel Internet Holdings, Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 34984 1752 299 283 TELLCOM ILETISIM HIZMETLERI A 20940 1458 568 1070 Akamai International B.V. 8402 1420 544 14 OJSC "Vimpelcom" 31148 1042 45 20 Freenet Ltd. 13188 1013 97 51 TOV "Bank-Inform" 8551 850 371 42 Bezeq International-Ltd 6849 805 356 26 JSC "Ukrtelecom" 12479 793 798 58 France Telecom Espana SA 6830 773 2335 428 Liberty Global Operations B.V 9198 659 346 28 JSC Kazakhtelecom Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 28573 3012 2311 106 NET Serviços de Comunicação S 10620 2951 478 274 Telmex Colombia S.A. 18881 2103 1036 22 Global Village Telecom 7303 1756 1166 233 Telecom Argentina S.A. 6147 1747 374 30 Telefonica del Peru S.A.A. 8151 1456 3002 427 Uninet S.A. de C.V. 6503 1118 434 61 Axtel, S.A.B. de C.V. 7738 995 1882 41 Telemar Norte Leste S.A. 27947 903 130 53 Telconet S.A 26615 898 2325 35 Tim Celular S.A. Complete listing at http://thyme.rand.apnic.net/london/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 670 744 37 Office National des Postes et 8452 554 958 13 TE-AS 36992 341 816 29 ETISALAT MISR 24835 307 144 9 Vodafone Data 37054 276 19 6 Data Telecom Service 3741 249 920 212 Internet Solutions 29571 236 22 17 Cote d'Ivoire Telecom 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/london/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 28573 3012 2311 106 NET Serviços de Comunicação S 10620 2951 478 274 Telmex Colombia S.A. 6389 2895 3688 51 BellSouth.net Inc. 22773 2887 2940 143 Cox Communications Inc. 17974 2813 900 74 PT Telekomunikasi Indonesia 4766 2226 11584 630 Korea Telecom 7545 2204 335 117 TPG Telecom Limited 18881 2103 1036 22 Global Village Telecom 18566 2042 379 177 MegaPath Corporation 4755 1921 434 202 TATA Communications formerly Complete listing at http://thyme.rand.apnic.net/london/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 6389 2895 2844 BellSouth.net Inc. 22773 2887 2744 Cox Communications Inc. 17974 2813 2739 PT Telekomunikasi Indonesia 10620 2951 2677 Telmex Colombia S.A. 7545 2204 2087 TPG Telecom Limited 18881 2103 2081 Global Village Telecom 18566 2042 1865 MegaPath Corporation 4755 1921 1719 TATA Communications formerly 6147 1747 1717 Telefonica del Peru S.A.A. 9829 1641 1603 National Internet Backbone Complete listing at http://thyme.rand.apnic.net/london/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 3356 Level 3 Communicatio 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 3356 Level 3 Communicatio 46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio 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 65333 PRIVATE 10.0.0.0/8 0 * Complete listing at http://thyme.rand.apnic.net/london/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 10.0.0.0/8 65333 Reserved 100.64.0.0/10 65333 Reserved 169.254.0.0/16 65333 Reserved 172.16.0.0/12 65333 Reserved 192.0.0.0/24 65333 Reserved 192.0.2.0/24 65333 Reserved 192.168.0.0/16 0 * 198.18.0.0/15 65333 Reserved 198.51.100.0/24 65333 Reserved 203.0.113.0/24 65333 Reserved Complete listing at http://thyme.rand.apnic.net/london/data-dsua 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<< 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<< 41.73.13.0/24 37004 >>UNKNOWN<< Complete listing at http://thyme.rand.apnic.net/london/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 /8:17 /9:12 /10:30 /11:88 /12:261 /13:502 /14:996 /15:1713 /16:13017 /17:7105 /18:11670 /19:24509 /20:34914 /21:37381 /22:54302 /23:47433 /24:269914 /25:9 /26:11 /27:15 /28:107 /29:236 /30:250 /31:0 /32:130 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2125 2887 Cox Communications Inc. 18566 1997 2042 MegaPath Corporation 6389 1674 2895 BellSouth.net Inc. 30036 1373 1528 Mediacom Communications Corp 6147 1315 1747 Telefonica del Peru S.A.A. 6983 1176 1476 ITC^Deltacom 7029 1136 1901 Windstream Communications Inc 11492 1117 1166 CABLE ONE, INC. 8402 1110 1420 OJSC "Vimpelcom" 34984 1073 1752 TELLCOM ILETISIM HIZMETLERI A Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1335 2:664 3:3 4:17 5:1131 6:21 8:730 12:1852 13:4 14:1050 15:17 16:2 17:40 18:21 20:51 23:913 24:1755 27:1770 31:1410 32:36 33:2 34:5 36:145 37:1777 38:953 39:19 40:222 41:2625 42:263 43:333 44:16 45:66 46:2156 47:26 49:733 50:801 52:12 54:51 55:5 56:6 57:37 58:1149 59:648 60:416 61:1665 62:1265 63:1829 64:4380 65:2292 66:4194 67:2015 68:1032 69:3280 70:865 71:473 72:1999 74:2574 75:364 76:430 77:1604 78:895 79:720 80:1298 81:1198 82:781 83:775 84:727 85:1328 86:441 87:1163 88:468 89:1781 90:138 91:5697 92:764 93:1773 94:1990 95:1613 96:429 97:342 98:1155 99:48 100:66 101:702 103:5569 104:220 105:133 106:182 107:607 108:551 109:1973 110:1021 111:1349 112:705 113:855 114:772 115:1254 116:1080 117:955 118:1559 119:1398 120:416 121:964 122:2113 123:1605 124:1405 125:1579 128:546 129:336 130:345 131:773 132:392 133:165 134:308 135:81 136:302 137:288 138:384 139:202 140:192 141:397 142:560 143:435 144:510 145:114 146:668 147:545 148:926 149:433 150:477 151:603 152:466 153:243 154:334 155:533 156:360 157:328 158:276 159:836 160:324 161:595 162:1733 163:330 164:688 165:653 166:362 167:679 168:1112 169:122 170:1399 171:183 172:64 173:1614 174:707 175:589 176:1483 177:3569 178:2081 179:774 180:1753 181:1586 182:1644 183:547 184:712 185:2065 186:2948 187:1698 188:2204 189:1489 190:7850 191:751 192:7466 193:5506 194:4059 195:3559 196:1418 197:649 198:5076 199:5428 200:6480 201:2887 202:8912 203:8883 204:4465 205:2604 206:2831 207:2855 208:3909 209:3741 210:3084 211:1753 212:2378 213:2145 214:851 215:86 216:5615 217:1704 218:605 219:344 220:1267 221:631 222:358 223:593 End of report