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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Sun 24 May, 2015
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 545831 Prefixes after maximum aggregation (per Origin AS): 207398 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 265856 Total ASes present in the Internet Routing Table: 50405 Prefixes per ASN: 10.83 Origin-only ASes present in the Internet Routing Table: 36662 Origin ASes announcing only one prefix: 16293 Transit ASes present in the Internet Routing Table: 6323 Transit-only ASes present in the Internet Routing Table: 170 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 44 Max AS path prepend of ASN ( 55944) 41 Prefixes from unregistered ASNs in the Routing Table: 1141 Unregistered ASNs in the Routing Table: 426 Number of 32-bit ASNs allocated by the RIRs: 9589 Number of 32-bit ASNs visible in the Routing Table: 7420 Prefixes from 32-bit ASNs in the Routing Table: 27078 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 369 Number of addresses announced to Internet: 2759049184 Equivalent to 164 /8s, 115 /16s and 191 /24s Percentage of available address space announced: 74.5 Percentage of allocated address space announced: 74.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.4 Total number of prefixes smaller than registry allocations: 183332
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 134856 Total APNIC prefixes after maximum aggregation: 39124 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 141169 Unique aggregates announced from the APNIC address blocks: 57143 APNIC Region origin ASes present in the Internet Routing Table: 5052 APNIC Prefixes per ASN: 27.94 APNIC Region origin ASes announcing only one prefix: 1212 APNIC Region transit ASes present in the Internet Routing Table: 885 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 44 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1449 Number of APNIC addresses announced to Internet: 749176768 Equivalent to 44 /8s, 167 /16s and 135 /24s Percentage of available APNIC address space announced: 87.6
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: 178957 Total ARIN prefixes after maximum aggregation: 87993 ARIN Deaggregation factor: 2.03 Prefixes being announced from the ARIN address blocks: 181572 Unique aggregates announced from the ARIN address blocks: 84641 ARIN Region origin ASes present in the Internet Routing Table: 16610 ARIN Prefixes per ASN: 10.93 ARIN Region origin ASes announcing only one prefix: 6118 ARIN Region transit ASes present in the Internet Routing Table: 1725 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 450 Number of ARIN addresses announced to Internet: 1081244960 Equivalent to 64 /8s, 114 /16s and 125 /24s Percentage of available ARIN address space announced: 57.2
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: 132139 Total RIPE prefixes after maximum aggregation: 65916 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 138523 Unique aggregates announced from the RIPE address blocks: 85877 RIPE Region origin ASes present in the Internet Routing Table: 17953 RIPE Prefixes per ASN: 7.72 RIPE Region origin ASes announcing only one prefix: 8144 RIPE Region transit ASes present in the Internet Routing Table: 2973 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3721 Number of RIPE addresses announced to Internet: 695045888 Equivalent to 41 /8s, 109 /16s and 143 /24s Percentage of available RIPE address space announced: 101.0
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: 59742 Total LACNIC prefixes after maximum aggregation: 11282 LACNIC Deaggregation factor: 5.30 Prefixes being announced from the LACNIC address blocks: 70097 Unique aggregates announced from the LACNIC address blocks: 32674 LACNIC Region origin ASes present in the Internet Routing Table: 2437 LACNIC Prefixes per ASN: 28.76 LACNIC Region origin ASes announcing only one prefix: 624 LACNIC Region transit ASes present in the Internet Routing Table: 501 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1688 Number of LACNIC addresses announced to Internet: 168105472 Equivalent to 10 /8s, 5 /16s and 22 /24s Percentage of available LACNIC address space announced: 100.2
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: 12883 Total AfriNIC prefixes after maximum aggregation: 3038 AfriNIC Deaggregation factor: 4.24 Prefixes being announced from the AfriNIC address blocks: 14101 Unique aggregates announced from the AfriNIC address blocks: 5191 AfriNIC Region origin ASes present in the Internet Routing Table: 732 AfriNIC Prefixes per ASN: 19.26 AfriNIC Region origin ASes announcing only one prefix: 195 AfriNIC Region transit ASes present in the Internet Routing Table: 159 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 112 Number of AfriNIC addresses announced to Internet: 65171200 Equivalent to 3 /8s, 226 /16s and 111 /24s Percentage of available AfriNIC address space announced: 64.7
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 2925 11557 913 Korea Telecom 17974 2768 904 81 PT Telekomunikasi Indonesia 7545 2424 336 130 TPG Telecom Limited 4755 2022 423 219 TATA Communications formerly 4538 1937 4190 72 China Education and Research 9829 1660 1327 45 National Internet Backbone 9808 1572 8717 28 Guangdong Mobile Communicatio 4808 1470 2250 468 CNCGROUP IP network China169 9583 1449 120 588 Sify Limited 9498 1329 335 100 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 3038 2958 141 Cox Communications Inc. 6389 2797 3688 51 BellSouth.net Inc. 3356 2569 10686 492 Level 3 Communications, Inc. 18566 2042 379 185 MegaPath Corporation 20115 1881 1851 422 Charter Communications 6983 1749 866 245 EarthLink, Inc. 4323 1607 1022 410 tw telecom holdings, inc. 30036 1540 314 481 Mediacom Communications Corp 701 1391 11322 680 MCI Communications Services, 22561 1359 413 249 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 39891 2473 132 7 SaudiNet, Saudi Telecom Compa 34984 2019 305 356 TELLCOM ILETISIM HIZMETLERI A 20940 1890 738 1382 Akamai International B.V. 6849 1213 356 24 JSC "Ukrtelecom" 8402 1085 544 15 OJSC "Vimpelcom" 31148 1049 45 23 Freenet Ltd. 13188 1041 97 70 TOV "Bank-Inform" 12479 938 868 72 France Telecom Espana SA 6830 908 2693 467 Liberty Global Operations B.V 8551 886 373 48 Bezeq International-Ltd
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 3232 529 188 Telmex Colombia S.A. 28573 2258 2169 118 NET Serviços de Comunicação S 8151 1670 3255 468 Uninet S.A. de C.V. 7303 1662 1045 243 Telecom Argentina S.A. 6147 1638 374 30 Telefonica del Peru S.A.A. 6503 1251 421 54 Axtel, S.A.B. de C.V. 26615 1039 2325 35 Tim Celular S.A. 7738 999 1882 41 Telemar Norte Leste S.A. 3816 922 423 157 COLOMBIA TELECOMUNICACIONES S 18881 868 1036 22 Global Village Telecom
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 1702 958 13 TE-AS 24863 899 280 26 Link Egypt (Link.NET) 36903 504 254 98 Office National des Postes et 36992 423 1229 32 ETISALAT MISR 24835 304 146 13 Vodafone Data 37492 303 171 72 Orange Tunisie 3741 250 857 208 Internet Solutions 29571 242 21 12 Cote d'Ivoire Telecom 36947 192 807 13 Telecom Algeria 37054 185 19 6 Data Telecom Service
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 10620 3232 529 188 Telmex Colombia S.A. 22773 3038 2958 141 Cox Communications Inc. 4766 2925 11557 913 Korea Telecom 6389 2797 3688 51 BellSouth.net Inc. 17974 2768 904 81 PT Telekomunikasi Indonesia 3356 2569 10686 492 Level 3 Communications, Inc. 39891 2473 132 7 SaudiNet, Saudi Telecom Compa 7545 2424 336 130 TPG Telecom Limited 28573 2258 2169 118 NET Serviços de Comunicação S 18566 2042 379 185 MegaPath Corporation
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 22773 3038 2897 Cox Communications Inc. 6389 2797 2746 BellSouth.net Inc. 17974 2768 2687 PT Telekomunikasi Indonesia 39891 2473 2466 SaudiNet, Saudi Telecom Compa 7545 2424 2294 TPG Telecom Limited 28573 2258 2140 NET Serviços de Comunicação S 3356 2569 2077 Level 3 Communications, Inc. 4766 2925 2012 Korea Telecom 4538 1937 1865 China Education and Research 18566 2042 1857 MegaPath Corporation
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 12180 Internap Network Ser 46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser 55060 UNALLOCATED 8.35.9.0/24 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 23.226.112.0/20 62788 >>UNKNOWN<< 27.100.7.0/24 56096 >>UNKNOWN<< 31.217.248.0/21 44902 COVAGE NETWORKS SASU 41.73.1.0/24 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<< 41.73.15.0/24 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 /8:17 /9:12 /10:34 /11:94 /12:264 /13:504 /14:1008 /15:1718 /16:12938 /17:7261 /18:12386 /19:25518 /20:36075 /21:38773 /22:59558 /23:51837 /24:294838 /25:1101 /26:1134 /27:715 /28:14 /29:12 /30:7 /31:0 /32:13
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 39891 2432 2473 SaudiNet, Saudi Telecom Compa 22773 2247 3038 Cox Communications Inc. 18566 1996 2042 MegaPath Corporation 6389 1640 2797 BellSouth.net Inc. 6983 1396 1749 EarthLink, Inc. 30036 1378 1540 Mediacom Communications Corp 34984 1317 2019 TELLCOM ILETISIM HIZMETLERI A 6147 1189 1638 Telefonica del Peru S.A.A. 10620 1136 3232 Telmex Colombia S.A. 11492 1107 1188 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1486 2:681 4:93 5:1813 6:24 8:1416 11:1 12:1828 13:10 14:1262 15:17 16:2 17:43 18:22 20:48 23:1229 24:1703 27:1888 31:1584 32:38 33:2 34:4 35:3 36:116 37:1906 38:1030 39:6 40:252 41:3034 42:287 43:1280 44:25 45:638 46:2187 47:43 49:828 50:808 52:12 54:73 55:7 56:8 57:39 58:1284 59:714 60:478 61:1746 62:1328 63:1916 64:4409 65:2268 66:4065 67:2064 68:1057 69:3264 70:979 71:448 72:1976 74:2652 75:334 76:424 77:1415 78:1218 79:802 80:1341 81:1337 82:813 83:692 84:718 85:1386 86:393 87:1043 88:515 89:1842 90:151 91:5966 92:849 93:2214 94:2010 95:2140 96:430 97:354 98:1051 99:49 100:69 101:823 103:7421 104:1782 105:62 106:225 107:973 108:628 109:2053 110:1100 111:1490 112:793 113:1080 114:818 115:1263 116:1344 117:1064 118:1816 119:1438 120:439 121:1086 122:2146 123:1824 124:1511 125:1586 128:644 129:384 130:401 131:1184 132:496 133:179 134:411 135:108 136:323 137:309 138:752 139:151 140:238 141:447 142:674 143:500 144:570 145:115 146:712 147:582 148:1117 149:402 150:560 151:603 152:484 153:244 154:476 155:858 156:408 157:454 158:317 159:1006 160:378 161:659 162:1938 163:425 164:674 165:692 166:299 167:836 168:1294 169:171 170:1459 171:246 172:51 173:1538 174:714 175:695 176:1312 177:3714 178:2162 179:968 180:1950 181:1686 182:1770 183:618 184:757 185:3523 186:2670 187:1746 188:2042 189:1586 190:7729 191:1000 192:8345 193:5604 194:4138 195:3658 196:1654 197:1154 198:5533 199:5518 200:6649 201:3121 202:9475 203:9126 204:4672 205:2832 206:3081 207:2948 208:3967 209:3963 210:3522 211:1844 212:2564 213:2342 214:861 215:73 216:5670 217:1828 218:698 219:461 220:1428 221:785 222:476 223:692
End of report
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