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[bgp-stats] Routing Table Report - London view
Routing Table Report 08:00 +10GMT Sun 25 Oct, 2015
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 554294 Prefixes after maximum aggregation (per Origin AS): 209883 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 275963 Total ASes present in the Internet Routing Table: 51675 Prefixes per ASN: 10.73 Origin-only ASes present in the Internet Routing Table: 36577 Origin ASes announcing only one prefix: 16038 Transit ASes present in the Internet Routing Table: 6351 Transit-only ASes present in the Internet Routing Table: 151 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 45 Max AS path prepend of ASN ( 55644) 41 Prefixes from unregistered ASNs in the Routing Table: 1087 Unregistered ASNs in the Routing Table: 405 Number of 32-bit ASNs allocated by the RIRs: 11451 Number of 32-bit ASNs visible in the Routing Table: 8747 Prefixes from 32-bit ASNs in the Routing Table: 33024 Number of bogon 32-bit ASNs visible in the Routing Table: 47 Special use prefixes present in the Routing Table: 10 Prefixes being announced from unallocated address space: 423 Number of addresses announced to Internet: 2837839616 Equivalent to 169 /8s, 37 /16s and 255 /24s Percentage of available address space announced: 76.7 Percentage of allocated address space announced: 76.7 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.7 Total number of prefixes smaller than registry allocations: 184869
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 132805 Total APNIC prefixes after maximum aggregation: 39137 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 141553 Unique aggregates announced from the APNIC address blocks: 60601 APNIC Region origin ASes present in the Internet Routing Table: 5050 APNIC Prefixes per ASN: 28.03 APNIC Region origin ASes announcing only one prefix: 1199 APNIC Region transit ASes present in the Internet Routing Table: 857 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 45 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1664 Number of APNIC addresses announced to Internet: 753831168 Equivalent to 44 /8s, 238 /16s and 141 /24s Percentage of available APNIC address space announced: 88.1
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: 177292 Total ARIN prefixes after maximum aggregation: 87882 ARIN Deaggregation factor: 2.02 Prefixes being announced from the ARIN address blocks: 180632 Unique aggregates announced from the ARIN address blocks: 86741 ARIN Region origin ASes present in the Internet Routing Table: 16489 ARIN Prefixes per ASN: 10.95 ARIN Region origin ASes announcing only one prefix: 6008 ARIN Region transit ASes present in the Internet Routing Table: 1722 Average ARIN Region AS path length visible: 3.2 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 762 Number of ARIN addresses announced to Internet: 1123171328 Equivalent to 66 /8s, 242 /16s and 60 /24s Percentage of available ARIN address space announced: 59.4
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, 64198-64296, 393216-395164 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: 136802 Total RIPE prefixes after maximum aggregation: 68114 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 143982 Unique aggregates announced from the RIPE address blocks: 89147 RIPE Region origin ASes present in the Internet Routing Table: 18014 RIPE Prefixes per ASN: 7.99 RIPE Region origin ASes announcing only one prefix: 8023 RIPE Region transit ASes present in the Internet Routing Table: 2999 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 4128 Number of RIPE addresses announced to Internet: 699627264 Equivalent to 41 /8s, 179 /16s and 119 /24s Percentage of available RIPE address space announced: 101.7
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, 196608-204287 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: 60392 Total LACNIC prefixes after maximum aggregation: 11641 LACNIC Deaggregation factor: 5.19 Prefixes being announced from the LACNIC address blocks: 72498 Unique aggregates announced from the LACNIC address blocks: 33602 LACNIC Region origin ASes present in the Internet Routing Table: 2464 LACNIC Prefixes per ASN: 29.42 LACNIC Region origin ASes announcing only one prefix: 610 LACNIC Region transit ASes present in the Internet Routing Table: 520 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 21 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2026 Number of LACNIC addresses announced to Internet: 169711104 Equivalent to 10 /8s, 29 /16s and 150 /24s Percentage of available LACNIC address space announced: 101.2
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: 12929 Total AfriNIC prefixes after maximum aggregation: 3068 AfriNIC Deaggregation factor: 4.21 Prefixes being announced from the AfriNIC address blocks: 15205 Unique aggregates announced from the AfriNIC address blocks: 5507 AfriNIC Region origin ASes present in the Internet Routing Table: 733 AfriNIC Prefixes per ASN: 20.74 AfriNIC Region origin ASes announcing only one prefix: 198 AfriNIC Region transit ASes present in the Internet Routing Table: 171 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: 167 Number of AfriNIC addresses announced to Internet: 68865536 Equivalent to 4 /8s, 26 /16s and 206 /24s Percentage of available AfriNIC address space announced: 68.4
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 7545 2853 340 143 TPG Telecom Limited 17974 2720 913 97 PT Telekomunikasi Indonesia 4766 2289 11127 692 Korea Telecom 4755 2056 430 228 TATA Communications formerly 9829 1984 1402 289 National Internet Backbone 9808 1596 8640 19 Guangdong Mobile Communicatio 4808 1524 2258 485 CNCGROUP IP network China169 9583 1494 119 559 Sify Limited 9498 1397 335 111 BHARTI Airtel Ltd. 38197 1329 80 157 Sun Network (Hong Kong) Limit
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 22773 3195 2964 144 Cox Communications Inc. 6389 2671 3688 44 BellSouth.net Inc. 18566 2224 395 265 MegaPath Corporation 20115 1890 1895 394 Charter Communications 6983 1708 866 240 EarthLink, Inc. 30036 1642 332 363 Mediacom Communications Corp 4323 1586 1021 404 tw telecom holdings, inc. 701 1395 11417 671 MCI Communications Services, 22561 1280 364 219 CenturyTel Internet Holdings, 209 1258 4232 1057 Qwest Communications Company,
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 39891 2473 129 7 SaudiNet, Saudi Telecom Compa 20940 2187 863 1581 Akamai International B.V. 34984 1891 304 404 TELLCOM ILETISIM HIZMETLERI A 6849 1209 355 21 JSC "Ukrtelecom" 8402 1172 544 15 OJSC "Vimpelcom" 8551 1073 376 52 Bezeq International-Ltd 13188 1071 97 78 TOV "Bank-Inform" 31148 1039 46 40 Freenet Ltd. 12479 1031 967 83 France Telecom Espana SA 6830 913 2694 464 Liberty Global Operations B.V
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 10620 3401 542 132 Telmex Colombia S.A. 28573 1823 2173 121 NET Serviços de Comunicação S 8151 1787 3305 490 Uninet S.A. de C.V. 7303 1571 940 239 Telecom Argentina S.A. 6503 1404 453 58 Axtel, S.A.B. de C.V. 6147 1056 374 30 Telefonica del Peru S.A.A. 26615 1049 2325 34 Tim Celular S.A. 11830 1013 364 24 Instituto Costarricense de El 7738 995 1882 41 Telemar Norte Leste S.A. 3816 961 438 161 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 24863 992 409 38 Link Egypt (Link.NET) 8452 944 1470 14 TE-AS 37611 555 48 2 Afrihost-Brevis Computer Serv 36903 520 262 104 Office National des Postes et 36992 440 1229 32 ETISALAT MISR 37054 337 20 7 Data Telecom Service 37492 278 179 71 Orange Tunisie 29571 246 21 12 Cote d'Ivoire Telecom 24835 226 146 12 Vodafone Data 3741 222 853 184 Internet Solutions
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 10620 3401 542 132 Telmex Colombia S.A. 22773 3195 2964 144 Cox Communications Inc. 7545 2853 340 143 TPG Telecom Limited 17974 2720 913 97 PT Telekomunikasi Indonesia 6389 2671 3688 44 BellSouth.net Inc. 39891 2473 129 7 SaudiNet, Saudi Telecom Compa 4766 2289 11127 692 Korea Telecom 18566 2224 395 265 MegaPath Corporation 20940 2187 863 1581 Akamai International B.V. 4755 2056 430 228 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 22773 3195 3051 Cox Communications Inc. 7545 2853 2710 TPG Telecom Limited 6389 2671 2627 BellSouth.net Inc. 17974 2720 2623 PT Telekomunikasi Indonesia 39891 2473 2466 SaudiNet, Saudi Telecom Compa 18566 2224 1959 MegaPath Corporation 4755 2056 1828 TATA Communications formerly 28573 1823 1702 NET Serviços de Comunicação S 9829 1984 1695 National Internet Backbone 4766 2289 1597 Korea Telecom
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 46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw 46473 UNALLOCATED 8.27.122.0/24 3356 Level 3 Communicatio 46473 UNALLOCATED 8.27.124.0/24 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 * 33628 UNALLOCATED 12.0.239.0/24 1239 Sprint 32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
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 23.226.112.0/20 62788 >>UNKNOWN<< 23.249.144.0/21 40430 colo4jax, LLC 23.249.144.0/20 40430 colo4jax, LLC 23.249.152.0/21 40430 colo4jax, LLC 27.100.7.0/24 56096 >>UNKNOWN<< 31.170.96.0/23 23456 32bit Transition AS 31.217.248.0/21 44902 COVAGE NETWORKS SASU 37.46.8.0/23 13768 Peer 1 Network (USA) Inc. 37.46.10.0/23 36351 SoftLayer Technologies Inc. 37.46.14.0/24 36351 SoftLayer Technologies Inc.
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 /8:19 /9:13 /10:36 /11:97 /12:262 /13:505 /14:1004 /15:1752 /16:12859 /17:7235 /18:12290 /19:25194 /20:35868 /21:38011 /22:61684 /23:52834 /24:303750 /25:7 /26:8 /27:13 /28:108 /29:242 /30:410 /31:0 /32:93
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 39891 2432 2473 SaudiNet, Saudi Telecom Compa 22773 2407 3195 Cox Communications Inc. 18566 2126 2224 MegaPath Corporation 6389 1601 2671 BellSouth.net Inc. 30036 1458 1642 Mediacom Communications Corp 6983 1354 1708 EarthLink, Inc. 10620 1269 3401 Telmex Colombia S.A. 34984 1206 1891 TELLCOM ILETISIM HIZMETLERI A 11492 1116 1198 CABLE ONE, INC. 6849 992 1209 JSC "Ukrtelecom"
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1591 2:693 4:18 5:1913 6:25 8:851 12:1808 13:16 14:1439 15:22 16:2 17:46 18:19 20:51 23:1255 24:1734 27:2070 31:1598 32:33 33:2 34:4 35:5 36:167 37:2249 38:1072 39:19 40:73 41:2854 42:326 43:1556 44:32 45:1391 46:2296 47:57 49:1006 50:811 52:29 54:93 55:9 56:6 57:47 58:1357 59:715 60:506 61:1745 62:1382 63:1883 64:4345 65:2209 66:4008 67:2068 68:1078 69:3284 70:1028 71:455 72:1987 74:2558 75:355 76:402 77:1394 78:1234 79:800 80:1356 81:1346 82:846 83:667 84:788 85:1418 86:454 87:1030 88:533 89:1890 90:149 91:5995 92:831 93:2295 94:2189 95:2218 96:460 97:347 98:958 99:47 100:79 101:835 103:8482 104:2167 105:83 106:357 107:1069 108:614 109:2154 110:1177 111:1453 112:840 113:1104 114:846 115:1397 116:1406 117:1099 118:1921 119:1436 120:474 121:1089 122:2157 123:1855 124:1496 125:1637 128:656 129:363 130:417 131:1275 132:516 133:162 134:421 135:115 136:337 137:298 138:1434 139:174 140:213 141:440 142:643 143:620 144:577 145:126 146:765 147:607 148:1277 149:431 150:603 151:774 152:560 153:261 154:543 155:886 156:427 157:423 158:351 159:964 160:405 161:677 162:2082 163:448 164:681 165:1066 166:295 167:882 168:1306 169:537 170:1501 171:252 172:303 173:1540 174:715 175:706 176:1468 177:4024 178:2251 179:1037 180:1936 181:1582 182:1818 183:643 184:757 185:4600 186:2968 187:1892 188:2068 189:1672 190:7548 191:1175 192:8588 193:5628 194:4254 195:3676 196:2285 197:1172 198:5435 199:5493 200:6652 201:3230 202:9041 203:9150 204:4474 205:2693 206:2912 207:2934 208:3964 209:3856 210:3211 211:1781 212:2538 213:2099 214:843 215:72 216:5731 217:1820 218:682 219:316 220:1578 221:801 222:418 223:804
End of report
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