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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Mon 21 Dec, 2015
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 575179 Prefixes after maximum aggregation (per Origin AS): 212836 Deaggregation factor: 2.70 Unique aggregates announced (without unneeded subnets): 279744 Total ASes present in the Internet Routing Table: 52314 Prefixes per ASN: 10.99 Origin-only ASes present in the Internet Routing Table: 36634 Origin ASes announcing only one prefix: 15874 Transit ASes present in the Internet Routing Table: 6383 Transit-only ASes present in the Internet Routing Table: 169 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 37 Max AS path prepend of ASN ( 40285) 34 Prefixes from unregistered ASNs in the Routing Table: 1019 Unregistered ASNs in the Routing Table: 364 Number of 32-bit ASNs allocated by the RIRs: 12165 Number of 32-bit ASNs visible in the Routing Table: 9297 Prefixes from 32-bit ASNs in the Routing Table: 35417 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 408 Number of addresses announced to Internet: 2802594500 Equivalent to 167 /8s, 12 /16s and 50 /24s Percentage of available address space announced: 75.7 Percentage of allocated address space announced: 75.7 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.8 Total number of prefixes smaller than registry allocations: 189062
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 145991 Total APNIC prefixes after maximum aggregation: 40120 APNIC Deaggregation factor: 3.64 Prefixes being announced from the APNIC address blocks: 154565 Unique aggregates announced from the APNIC address blocks: 61725 APNIC Region origin ASes present in the Internet Routing Table: 5121 APNIC Prefixes per ASN: 30.18 APNIC Region origin ASes announcing only one prefix: 1193 APNIC Region transit ASes present in the Internet Routing Table: 896 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1762 Number of APNIC addresses announced to Internet: 756206980 Equivalent to 45 /8s, 18 /16s and 205 /24s Percentage of available APNIC address space announced: 88.4
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: 181139 Total ARIN prefixes after maximum aggregation: 89020 ARIN Deaggregation factor: 2.03 Prefixes being announced from the ARIN address blocks: 184528 Unique aggregates announced from the ARIN address blocks: 86495 ARIN Region origin ASes present in the Internet Routing Table: 16473 ARIN Prefixes per ASN: 11.20 ARIN Region origin ASes announcing only one prefix: 5927 ARIN Region transit ASes present in the Internet Routing Table: 1722 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 897 Number of ARIN addresses announced to Internet: 1101884096 Equivalent to 65 /8s, 173 /16s and 106 /24s Percentage of available ARIN address space announced: 58.3
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: 138530 Total RIPE prefixes after maximum aggregation: 68744 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 146482 Unique aggregates announced from the RIPE address blocks: 90585 RIPE Region origin ASes present in the Internet Routing Table: 18037 RIPE Prefixes per ASN: 8.12 RIPE Region origin ASes announcing only one prefix: 7969 RIPE Region transit ASes present in the Internet Routing Table: 2987 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 4317 Number of RIPE addresses announced to Internet: 702243968 Equivalent to 41 /8s, 219 /16s and 100 /24s Percentage of available RIPE address space announced: 102.1
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: 60518 Total LACNIC prefixes after maximum aggregation: 11801 LACNIC Deaggregation factor: 5.13 Prefixes being announced from the LACNIC address blocks: 73349 Unique aggregates announced from the LACNIC address blocks: 34303 LACNIC Region origin ASes present in the Internet Routing Table: 2459 LACNIC Prefixes per ASN: 29.83 LACNIC Region origin ASes announcing only one prefix: 593 LACNIC Region transit ASes present in the Internet Routing Table: 535 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 24 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2147 Number of LACNIC addresses announced to Internet: 170569216 Equivalent to 10 /8s, 42 /16s and 174 /24s Percentage of available LACNIC address space announced: 101.7
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: 13501 Total AfriNIC prefixes after maximum aggregation: 3109 AfriNIC Deaggregation factor: 4.34 Prefixes being announced from the AfriNIC address blocks: 15847 Unique aggregates announced from the AfriNIC address blocks: 6287 AfriNIC Region origin ASes present in the Internet Routing Table: 731 AfriNIC Prefixes per ASN: 21.68 AfriNIC Region origin ASes announcing only one prefix: 192 AfriNIC Region transit ASes present in the Internet Routing Table: 165 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 174 Number of AfriNIC addresses announced to Internet: 71312640 Equivalent to 4 /8s, 64 /16s and 37 /24s Percentage of available AfriNIC address space announced: 70.8
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 4538 5595 4192 76 China Education and Research 7545 3056 346 153 TPG Telecom Limited 4766 3016 11136 999 Korea Telecom 17974 2790 914 96 PT Telekomunikasi Indonesia 9829 2218 1415 372 National Internet Backbone 4755 2067 431 232 TATA Communications formerly 9808 1687 8639 18 Guangdong Mobile Communicatio 4808 1590 2275 504 CNCGROUP IP network China169 9583 1504 143 249 Sify Limited 9498 1404 335 112 BHARTI Airtel Ltd.
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 22773 3270 2964 145 Cox Communications Inc. 3356 2595 10693 533 Level 3 Communications, Inc. 6389 2508 3687 42 BellSouth.net Inc. 18566 2211 394 277 MegaPath Corporation 20115 1897 1902 403 Charter Communications 6983 1700 849 238 EarthLink, Inc. 30036 1666 332 334 Mediacom Communications Corp 4323 1577 1021 393 tw telecom holdings, inc. 209 1463 4338 1227 Qwest Communications Company, 701 1373 11441 646 MCI Communications Services,
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 39891 2473 129 7 SaudiNet, Saudi Telecom Compa 20940 2261 892 1617 Akamai International B.V. 34984 1915 319 429 TELLCOM ILETISIM HIZMETLERI A 8551 1438 376 44 Bezeq International-Ltd 13188 1075 97 79 TOV "Bank-Inform" 8402 1066 544 15 OJSC "Vimpelcom" 12479 1062 965 80 France Telecom Espana SA 31148 1042 47 41 Freenet Ltd. 9198 951 349 25 JSC Kazakhtelecom 6830 898 2712 468 Liberty Global Operations B.V
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 10620 3419 543 113 Telmex Colombia S.A. 8151 2122 3364 491 Uninet S.A. de C.V. 7303 1581 942 241 Telecom Argentina S.A. 6503 1388 453 58 Axtel, S.A.B. de C.V. 28573 1213 2174 131 NET Serviços de Comunicação S 11830 1094 366 25 Instituto Costarricense de El 6147 1038 376 34 Telefonica del Peru S.A.A. 7738 994 1882 41 Telemar Norte Leste S.A. 3816 974 459 185 COLOMBIA TELECOMUNICACIONES S 26615 948 2325 34 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 8452 1186 1470 14 TE-AS 24863 1167 405 37 Link Egypt (Link.NET) 37611 583 39 40 Afrihost-Brevis Computer Serv 36903 552 278 110 Office National des Postes et 36992 435 1233 33 ETISALAT MISR 37492 325 192 74 Orange Tunisie 29571 264 21 11 Cote d'Ivoire Telecom 24835 245 146 12 Vodafone Data 3741 221 837 183 Internet Solutions 15706 171 32 6 Sudatel (Sudan Telecom Co. Lt
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 4538 5595 4192 76 China Education and Research 10620 3419 543 113 Telmex Colombia S.A. 22773 3270 2964 145 Cox Communications Inc. 7545 3056 346 153 TPG Telecom Limited 4766 3016 11136 999 Korea Telecom 17974 2790 914 96 PT Telekomunikasi Indonesia 3356 2595 10693 533 Level 3 Communications, Inc. 6389 2508 3687 42 BellSouth.net Inc. 39891 2473 129 7 SaudiNet, Saudi Telecom Compa 20940 2261 892 1617 Akamai International B.V.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 10620 3419 3306 Telmex Colombia S.A. 22773 3270 3125 Cox Communications Inc. 7545 3056 2903 TPG Telecom Limited 17974 2790 2694 PT Telekomunikasi Indonesia 6389 2508 2466 BellSouth.net Inc. 39891 2473 2466 SaudiNet, Saudi Telecom Compa 3356 2595 2062 Level 3 Communications, Inc. 4766 3016 2017 Korea Telecom 18566 2211 1934 MegaPath Corporation 9829 2218 1846 National Internet Backbone
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 3356 Level 3 Communicatio 46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw 18985 UNALLOCATED 8.21.68.0/22 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 27205 UNALLOCATED 8.38.16.0/21 3356 Level 3 Communicatio 15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I 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/current/data-badAS
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 23.226.112.0/20 62788 >>UNKNOWN<< 23.249.144.0/20 40430 colo4jax, LLC 23.249.144.0/21 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 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. 37.46.15.0/24 36351 SoftLayer Technologies Inc.
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 /9:13 /10:36 /11:100 /12:265 /13:507 /14:1015 /15:1773 /16:12983 /17:7408 /18:12610 /19:25586 /20:37769 /21:39991 /22:63529 /23:55000 /24:315009 /25:546 /26:578 /27:382 /28:17 /29:16 /30:9 /31:0 /32:21
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 22773 2458 3270 Cox Communications Inc. 39891 2432 2473 SaudiNet, Saudi Telecom Compa 18566 2113 2211 MegaPath Corporation 6389 1553 2508 BellSouth.net Inc. 30036 1483 1666 Mediacom Communications Corp 6983 1347 1700 EarthLink, Inc. 10620 1289 3419 Telmex Colombia S.A. 34984 1210 1915 TELLCOM ILETISIM HIZMETLERI A 11492 1132 1222 CABLE ONE, INC. 31148 961 1042 Freenet Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1644 2:650 4:100 5:2071 6:26 8:1415 12:1800 13:30 14:1588 15:23 16:2 17:57 18:19 20:48 22:1 23:1320 24:1730 27:2152 31:1702 32:54 33:2 34:4 35:5 36:192 37:2214 38:1139 39:22 40:76 41:2996 42:368 43:1621 44:36 45:1574 46:2356 47:64 49:1069 50:824 51:3 52:36 54:96 55:8 56:8 57:44 58:1432 59:838 60:520 61:1762 62:1422 63:1908 64:4437 65:2185 66:4072 67:2137 68:1090 69:3269 70:1043 71:461 72:1980 74:2559 75:357 76:416 77:1377 78:1271 79:821 80:1325 81:1362 82:851 83:668 84:778 85:1527 86:457 87:1047 88:548 89:1941 90:152 91:5958 92:860 93:2301 94:2238 95:2243 96:471 97:353 98:955 99:45 100:79 101:870 103:9188 104:2177 105:89 106:360 107:1093 108:639 109:2367 110:1243 111:1546 112:877 113:1191 114:916 115:1534 116:1502 117:1351 118:2017 119:1507 120:513 121:1162 122:2243 123:1867 124:1569 125:1735 128:670 129:353 130:422 131:1279 132:593 133:169 134:452 135:121 136:345 137:307 138:1589 139:197 140:249 141:464 142:639 143:732 144:578 145:150 146:827 147:609 148:1304 149:452 150:622 151:809 152:566 153:269 154:479 155:906 156:445 157:405 158:348 159:1063 160:419 161:696 162:2213 163:502 164:712 165:1099 166:315 167:913 168:1336 169:556 170:1481 171:263 172:369 173:1573 174:716 175:765 176:1498 177:3941 178:2279 179:1055 180:2059 181:1630 182:1900 183:662 184:764 185:5192 186:3005 187:1870 188:2128 189:1713 190:7559 191:1263 192:8745 193:5734 194:4308 195:3731 196:2248 197:1116 198:5496 199:5520 200:6720 201:3494 202:9897 203:9285 204:4563 205:2728 206:2965 207:3020 208:4015 209:3977 210:3763 211:2017 212:2626 213:2190 214:825 215:73 216:5718 217:1875 218:741 219:542 220:1640 221:801 222:642 223:874
End of report
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