Routing Table Report 08:00 +10GMT Thu 13 Mar, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 480172 Prefixes after maximum aggregation: 190541 Deaggregation factor: 2.52 Unique aggregates announced to Internet: 240011 Total ASes present in the Internet Routing Table: 46171 Prefixes per ASN: 10.40 Origin-only ASes present in the Internet Routing Table: 35594 Origin ASes announcing only one prefix: 16394 Transit ASes present in the Internet Routing Table: 5940 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: 33 Max AS path prepend of ASN ( 55644) 29 Prefixes from unregistered ASNs in the Routing Table: 1830 Unregistered ASNs in the Routing Table: 473 Number of 32-bit ASNs allocated by the RIRs: 6092 Number of 32-bit ASNs visible in the Routing Table: 4637 Prefixes from 32-bit ASNs in the Routing Table: 14867 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 10 Prefixes being announced from unallocated address space: 460 Number of addresses announced to Internet: 2678278912 Equivalent to 159 /8s, 163 /16s and 75 /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: 95.8 Total number of prefixes smaller than registry allocations: 167258 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 111043 Total APNIC prefixes after maximum aggregation: 33811 APNIC Deaggregation factor: 3.28 Prefixes being announced from the APNIC address blocks: 114361 Unique aggregates announced from the APNIC address blocks: 49254 APNIC Region origin ASes present in the Internet Routing Table: 4861 APNIC Prefixes per ASN: 23.53 APNIC Region origin ASes announcing only one prefix: 1238 APNIC Region transit ASes present in the Internet Routing Table: 832 Average APNIC Region AS path length visible: 3.8 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 865 Number of APNIC addresses announced to Internet: 729009408 Equivalent to 43 /8s, 115 /16s and 205 /24s Percentage of available APNIC address space announced: 85.2 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: 165085 Total ARIN prefixes after maximum aggregation: 82378 ARIN Deaggregation factor: 2.00 Prefixes being announced from the ARIN address blocks: 166584 Unique aggregates announced from the ARIN address blocks: 78180 ARIN Region origin ASes present in the Internet Routing Table: 16130 ARIN Prefixes per ASN: 10.33 ARIN Region origin ASes announcing only one prefix: 6123 ARIN Region transit ASes present in the Internet Routing Table: 1635 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 20 Number of ARIN region 32-bit ASNs visible in the Routing Table: 73 Number of ARIN addresses announced to Internet: 1066466304 Equivalent to 63 /8s, 144 /16s and 252 /24s Percentage of available ARIN address space announced: 56.4 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: 121977 Total RIPE prefixes after maximum aggregation: 61809 RIPE Deaggregation factor: 1.97 Prefixes being announced from the RIPE address blocks: 125997 Unique aggregates announced from the RIPE address blocks: 79948 RIPE Region origin ASes present in the Internet Routing Table: 17599 RIPE Prefixes per ASN: 7.16 RIPE Region origin ASes announcing only one prefix: 8280 RIPE Region transit ASes present in the Internet Routing Table: 2851 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2657 Number of RIPE addresses announced to Internet: 656113152 Equivalent to 39 /8s, 27 /16s and 126 /24s Percentage of available RIPE address space announced: 95.4 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: 54314 Total LACNIC prefixes after maximum aggregation: 9876 LACNIC Deaggregation factor: 5.50 Prefixes being announced from the LACNIC address blocks: 60083 Unique aggregates announced from the LACNIC address blocks: 27987 LACNIC Region origin ASes present in the Internet Routing Table: 2069 LACNIC Prefixes per ASN: 29.04 LACNIC Region origin ASes announcing only one prefix: 552 LACNIC Region transit ASes present in the Internet Routing Table: 404 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 21 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1030 Number of LACNIC addresses announced to Internet: 152731904 Equivalent to 9 /8s, 26 /16s and 129 /24s Percentage of available LACNIC address space announced: 91.0 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: 12063 Total AfriNIC prefixes after maximum aggregation: 2630 AfriNIC Deaggregation factor: 4.59 Prefixes being announced from the AfriNIC address blocks: 12686 Unique aggregates announced from the AfriNIC address blocks: 4250 AfriNIC Region origin ASes present in the Internet Routing Table: 704 AfriNIC Prefixes per ASN: 18.02 AfriNIC Region origin ASes announcing only one prefix: 201 AfriNIC Region transit ASes present in the Internet Routing Table: 146 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 12 Number of AfriNIC addresses announced to Internet: 51348992 Equivalent to 3 /8s, 15 /16s and 134 /24s Percentage of available AfriNIC address space announced: 51.0 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 2744 903 78 PT Telekomunikasi Indonesia 4766 2208 11575 597 Korea Telecom 7545 2143 320 117 TPG Telecom Limited 4755 1847 400 188 TATA Communications formerly 9829 1599 1285 40 National Internet Backbone 9583 1305 101 531 Sify Limited 9498 1243 311 78 BHARTI Airtel Ltd. 7552 1238 1082 13 Viettel Corporation 24560 1121 384 176 Bharti Airtel Ltd., Telemedia 4808 1083 2014 321 CNCGROUP IP network China169 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 3019 3688 53 BellSouth.net Inc. 22773 2352 2938 141 Cox Communications Inc. 1785 2184 693 127 PaeTec Communications, Inc. 18566 2045 379 177 MegaPath Corporation 20115 1694 1673 579 Charter Communications 4323 1625 1105 413 tw telecom holdings, inc. 701 1494 11174 765 MCI Communications Services, 30036 1386 298 555 Mediacom Communications Corp 6983 1324 800 308 ITC^Deltacom 22561 1298 401 228 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 8402 1727 544 16 OJSC "Vimpelcom" 34984 1470 264 248 TELLCOM ILETISIM HIZMETLERI A 20940 1299 513 966 Akamai International B.V. 13188 1048 100 28 TOV "Bank-Inform" 31148 1017 45 21 Freenet Ltd. 8551 951 370 41 Bezeq International-Ltd 6849 832 362 36 JSC "Ukrtelecom" 6830 763 2329 426 Liberty Global Operations B.V 12479 712 798 51 France Telecom Espana SA 9116 555 326 37 012 Smile Communications Ltd. 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 3506 1938 92 NET Serviços de Comunicação S 10620 2776 443 182 Telmex Colombia S.A. 18881 1916 972 21 Global Village Telecom 7303 1752 1172 222 Telecom Argentina S.A. 8151 1372 2889 412 Uninet S.A. de C.V. 6503 966 434 61 Axtel, S.A.B. de C.V. 7738 911 1754 40 Telemar Norte Leste S.A. 11830 866 364 15 Instituto Costarricense de El 27947 848 114 50 Telconet S.A 3816 792 319 130 COLOMBIA TELECOMUNICACIONES S 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 36998 1638 240 6 Sudanese Mobile Telephone (ZA 24863 922 376 28 Link Egypt (Link.NET) 6713 602 685 28 Office National des Postes et 8452 527 958 13 TE-AS 24835 299 144 9 Vodafone Data 36992 274 783 24 ETISALAT MISR 3741 248 921 209 Internet Solutions 15706 219 32 6 Sudatel (Sudan Telecom Co. Lt 29571 206 22 14 Cote d'Ivoire Telecom 29975 192 668 21 Vodacom 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 3506 1938 92 NET Serviços de Comunicação S 6389 3019 3688 53 BellSouth.net Inc. 10620 2776 443 182 Telmex Colombia S.A. 17974 2744 903 78 PT Telekomunikasi Indonesia 22773 2352 2938 141 Cox Communications Inc. 4766 2208 11575 597 Korea Telecom 1785 2184 693 127 PaeTec Communications, Inc. 7545 2143 320 117 TPG Telecom Limited 18566 2045 379 177 MegaPath Corporation 18881 1916 972 21 Global Village Telecom 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 3019 2966 BellSouth.net Inc. 17974 2744 2666 PT Telekomunikasi Indonesia 10620 2776 2594 Telmex Colombia S.A. 22773 2352 2211 Cox Communications Inc. 1785 2184 2057 PaeTec Communications, Inc. 7545 2143 2026 TPG Telecom Limited 18881 1916 1895 Global Village Telecom 18566 2045 1868 MegaPath Corporation 8402 1727 1711 OJSC "Vimpelcom" 4755 1847 1659 TATA Communications formerly 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 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 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 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 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/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 /10:31 /11:90 /12:256 /13:474 /14:953 /15:1647 /16:12817 /17:6752 /18:11408 /19:23780 /20:33488 /21:36172 /22:51247 /23:44724 /24:255606 /25:9 /26:11 /27:14 /28:116 /29:228 /30:184 /31:0 /32:136 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2000 2045 MegaPath Corporation 6389 1696 3019 BellSouth.net Inc. 36998 1599 1638 Sudanese Mobile Telephone (ZA 22773 1591 2352 Cox Communications Inc. 8402 1421 1727 OJSC "Vimpelcom" 30036 1224 1386 Mediacom Communications Corp 11492 1176 1223 CABLE ONE, INC. 1785 1170 2184 PaeTec Communications, Inc. 6983 1040 1324 ITC^Deltacom 34984 999 1470 TELLCOM ILETISIM HIZMETLERI A Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:991 2:816 3:3 4:15 5:902 6:19 8:656 12:1861 13:4 14:909 15:13 16:3 17:29 18:21 20:36 23:699 24:1725 27:1750 31:1499 32:39 33:2 34:5 36:118 37:1807 38:923 39:4 40:190 41:3207 42:246 44:18 46:2109 47:16 49:671 50:918 52:12 54:45 55:7 57:30 58:1095 59:593 60:373 61:1498 62:1293 63:1985 64:4358 65:2249 66:4229 67:2056 68:1031 69:3270 70:851 71:459 72:1948 74:2659 75:313 76:394 77:1181 78:1032 79:677 80:1295 81:1115 82:691 83:743 84:741 85:1289 86:433 87:1200 88:523 89:1732 90:151 91:5748 92:657 93:1700 94:2037 95:1501 96:535 97:352 98:1075 99:41 100:50 101:548 103:4400 105:533 106:164 107:565 108:532 109:1988 110:985 111:1270 112:610 113:817 114:774 115:1071 116:1020 117:842 118:1362 119:1290 120:356 121:764 122:1799 123:1266 124:1386 125:1451 128:594 129:236 130:335 131:650 132:343 133:159 134:305 135:74 136:246 137:316 138:349 139:157 140:184 141:349 142:545 143:382 144:501 145:105 146:587 147:447 148:751 149:343 150:160 151:580 152:421 153:204 154:100 155:462 156:331 157:367 158:219 159:781 160:355 161:469 162:1222 163:198 164:665 165:613 166:279 167:601 168:1022 169:123 170:1231 171:195 172:20 173:1618 174:681 175:581 176:1460 177:2797 178:1951 179:562 180:1635 181:991 182:1504 183:503 184:701 185:1387 186:2806 187:1470 188:1850 189:1310 190:7403 191:111 192:7085 193:5451 194:4029 195:3351 196:1334 197:1159 198:4912 199:5555 200:6022 201:2688 202:8778 203:8799 204:4590 205:2631 206:2852 207:2834 208:3955 209:3712 210:2953 211:1676 212:2209 213:2029 214:877 215:84 216:5508 217:1677 218:557 219:310 220:1293 221:594 222:340 223:601 End of report