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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Mon 23 May, 2016
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 593933 Prefixes after maximum aggregation (per Origin AS): 217386 Deaggregation factor: 2.73 Unique aggregates announced (without unneeded subnets): 291046 Total ASes present in the Internet Routing Table: 53820 Prefixes per ASN: 11.04 Origin-only ASes present in the Internet Routing Table: 36605 Origin ASes announcing only one prefix: 15674 Transit ASes present in the Internet Routing Table: 6424 Transit-only ASes present in the Internet Routing Table: 166 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 39 Max AS path prepend of ASN ( 55644) 31 Prefixes from unregistered ASNs in the Routing Table: 1064 Unregistered ASNs in the Routing Table: 370 Number of 32-bit ASNs allocated by the RIRs: 13976 Number of 32-bit ASNs visible in the Routing Table: 10791 Prefixes from 32-bit ASNs in the Routing Table: 42433 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 385 Number of addresses announced to Internet: 2810320196 Equivalent to 167 /8s, 130 /16s and 21 /24s Percentage of available address space announced: 75.9 Percentage of allocated address space announced: 75.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 98.2 Total number of prefixes smaller than registry allocations: 193766
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 152013 Total APNIC prefixes after maximum aggregation: 42418 APNIC Deaggregation factor: 3.58 Prefixes being announced from the APNIC address blocks: 163152 Unique aggregates announced from the APNIC address blocks: 66736 APNIC Region origin ASes present in the Internet Routing Table: 5185 APNIC Prefixes per ASN: 31.47 APNIC Region origin ASes announcing only one prefix: 1183 APNIC Region transit ASes present in the Internet Routing Table: 911 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 2090 Number of APNIC addresses announced to Internet: 754302532 Equivalent to 44 /8s, 245 /16s and 190 /24s Percentage of available APNIC address space announced: 88.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 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: 181004 Total ARIN prefixes after maximum aggregation: 89054 ARIN Deaggregation factor: 2.03 Prefixes being announced from the ARIN address blocks: 186404 Unique aggregates announced from the ARIN address blocks: 88051 ARIN Region origin ASes present in the Internet Routing Table: 16353 ARIN Prefixes per ASN: 11.40 ARIN Region origin ASes announcing only one prefix: 5836 ARIN Region transit ASes present in the Internet Routing Table: 1712 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1221 Number of ARIN addresses announced to Internet: 1101433152 Equivalent to 65 /8s, 166 /16s and 137 /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, 393216-397212 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: 142363 Total RIPE prefixes after maximum aggregation: 70401 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 151642 Unique aggregates announced from the RIPE address blocks: 93968 RIPE Region origin ASes present in the Internet Routing Table: 18088 RIPE Prefixes per ASN: 8.38 RIPE Region origin ASes announcing only one prefix: 7907 RIPE Region transit ASes present in the Internet Routing Table: 3001 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 4773 Number of RIPE addresses announced to Internet: 704272768 Equivalent to 41 /8s, 250 /16s and 89 /24s Percentage of available RIPE address space announced: 102.4
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, 196608-204287 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: 61816 Total LACNIC prefixes after maximum aggregation: 12218 LACNIC Deaggregation factor: 5.06 Prefixes being announced from the LACNIC address blocks: 76231 Unique aggregates announced from the LACNIC address blocks: 36136 LACNIC Region origin ASes present in the Internet Routing Table: 2476 LACNIC Prefixes per ASN: 30.79 LACNIC Region origin ASes announcing only one prefix: 570 LACNIC Region transit ASes present in the Internet Routing Table: 568 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 23 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2498 Number of LACNIC addresses announced to Internet: 171233600 Equivalent to 10 /8s, 52 /16s and 209 /24s Percentage of available LACNIC address space announced: 102.1
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: 14196 Total AfriNIC prefixes after maximum aggregation: 3258 AfriNIC Deaggregation factor: 4.36 Prefixes being announced from the AfriNIC address blocks: 16119 Unique aggregates announced from the AfriNIC address blocks: 5810 AfriNIC Region origin ASes present in the Internet Routing Table: 736 AfriNIC Prefixes per ASN: 21.90 AfriNIC Region origin ASes announcing only one prefix: 178 AfriNIC Region transit ASes present in the Internet Routing Table: 166 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 209 Number of AfriNIC addresses announced to Internet: 78697728 Equivalent to 4 /8s, 176 /16s and 213 /24s Percentage of available AfriNIC address space announced: 78.2
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 5561 4192 76 China Education and Research 7545 3335 356 221 TPG Telecom Limited 4766 3170 11144 1123 Korea Telecom 17974 2945 914 96 PT Telekomunikasi Indonesia 9829 2473 1467 464 National Internet Backbone 4755 2096 432 243 TATA Communications formerly 9808 1940 8717 30 Guangdong Mobile Communicatio 4808 1659 2299 549 CNCGROUP IP network China169 9583 1513 122 558 Sify Limited 38197 1497 93 215 Sun Network (Hong Kong) Limit
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 3242 2947 138 Cox Communications Inc. 6389 2299 3671 41 BellSouth.net Inc. 18566 2195 394 275 MegaPath Corporation 20115 1921 1937 404 Charter Communications 30036 1690 336 419 Mediacom Communications Corp 6983 1688 849 232 EarthLink, Inc. 209 1669 4968 770 Qwest Communications Company, 4323 1515 985 374 tw telecom holdings, inc. 701 1296 10718 704 MCI Communications Services, 11492 1291 236 581 CABLE ONE, INC.
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 2901 151 11 SaudiNet, Saudi Telecom Compa 20940 2555 985 1837 Akamai International B.V. 34984 1965 326 358 TELLCOM ILETISIM HIZMETLERI A 12479 1220 997 83 France Telecom Espana SA 8551 1203 376 55 Bezeq International-Ltd 6849 1148 355 21 JSC "Ukrtelecom" 13188 1078 98 65 TOV "Bank-Inform" 8402 1068 544 15 OJSC "Vimpelcom" 31148 1027 47 45 Freenet Ltd. 6830 890 2719 463 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 3477 541 152 Telmex Colombia S.A. 8151 2265 3420 570 Uninet S.A. de C.V. 7303 1510 940 234 Telecom Argentina S.A. 6503 1478 437 56 Axtel, S.A.B. de C.V. 11830 1477 368 52 Instituto Costarricense de El 6147 1172 377 27 Telefonica del Peru S.A.A. 26615 1005 2325 34 Tim Celular S.A. 3816 1002 479 175 COLOMBIA TELECOMUNICACIONES S 7738 994 1882 40 Telemar Norte Leste S.A. 11172 907 125 77 Alestra, S. de R.L. de C.V.
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 24863 1088 402 44 Link Egypt (Link.NET) 37611 650 48 2 Afrihost-Brevis Computer Serv 36903 626 315 103 Office National des Postes et 8452 509 1472 15 TE-AS 36992 509 1359 27 ETISALAT MISR 37492 395 234 68 Orange Tunisie 29571 301 37 13 Cote d'Ivoire Telecom 24835 294 466 14 Vodafone Data 15399 284 35 10 Wananchi Group (Kenya) Limite 2018 257 327 74 TENET (The UNINET Project)
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 5561 4192 76 China Education and Research 10620 3477 541 152 Telmex Colombia S.A. 7545 3335 356 221 TPG Telecom Limited 22773 3242 2947 138 Cox Communications Inc. 4766 3170 11144 1123 Korea Telecom 17974 2945 914 96 PT Telekomunikasi Indonesia 39891 2901 151 11 SaudiNet, Saudi Telecom Compa 20940 2555 985 1837 Akamai International B.V. 9829 2473 1467 464 National Internet Backbone 6389 2299 3671 41 BellSouth.net Inc.
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 3477 3325 Telmex Colombia S.A. 7545 3335 3114 TPG Telecom Limited 22773 3242 3104 Cox Communications Inc. 39891 2901 2890 SaudiNet, Saudi Telecom Compa 17974 2945 2849 PT Telekomunikasi Indonesia 6389 2299 2258 BellSouth.net Inc. 4766 3170 2047 Korea Telecom 9829 2473 2009 National Internet Backbone 18566 2195 1920 MegaPath Corporation 9808 1940 1910 Guangdong Mobile Communicatio
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65001 PRIVATE 5.143.176.0/20 15468 OJSC Rostelecom 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 16589 UNALLOCATED 8.20.247.0/24 35838 CCANET Limited 16589 UNALLOCATED 8.26.56.0/24 35838 CCANET Limited 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 27205 UNALLOCATED 8.38.16.0/22 32787 Prolexic Technologie
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 27.100.7.0/24 56096 >>UNKNOWN<< 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.2.0/24 37004 >>UNKNOWN<< 41.73.3.0/24 37004 >>UNKNOWN<< 41.73.4.0/24 37004 >>UNKNOWN<< 41.73.5.0/24 37004 >>UNKNOWN<< 41.73.6.0/24 37004 >>UNKNOWN<< 41.73.7.0/24 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 /8:16 /9:13 /10:36 /11:101 /12:266 /13:511 /14:1035 /15:1761 /16:13040 /17:7615 /18:12709 /19:25933 /20:37955 /21:39696 /22:65526 /23:57475 /24:328545 /25:556 /26:598 /27:421 /28:46 /29:32 /30:14 /31:1 /32:32
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 39891 2664 2901 SaudiNet, Saudi Telecom Compa 22773 2471 3242 Cox Communications Inc. 18566 2097 2195 MegaPath Corporation 30036 1505 1690 Mediacom Communications Corp 6389 1477 2299 BellSouth.net Inc. 10620 1373 3477 Telmex Colombia S.A. 6983 1337 1688 EarthLink, Inc. 34984 1249 1965 TELLCOM ILETISIM HIZMETLERI A 11492 1194 1291 CABLE ONE, INC. 6849 968 1148 JSC "Ukrtelecom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1583 2:745 4:20 5:2058 6:31 8:955 12:1780 13:39 14:1696 15:45 16:2 17:84 18:90 20:48 22:1 23:1500 24:1776 27:2265 31:1686 32:59 33:2 34:2 35:5 36:287 37:2307 38:1219 39:25 40:91 41:2878 42:395 43:1739 44:43 45:1896 46:2499 47:78 49:1173 50:871 51:34 52:192 54:329 55:5 56:7 57:42 58:1540 59:875 60:343 61:1825 62:1516 63:1922 64:4433 65:2164 66:4248 67:2159 68:1090 69:3290 70:1103 71:476 72:1989 74:2546 75:344 76:345 77:1374 78:1247 79:820 80:1276 81:1340 82:946 83:700 84:824 85:1609 86:479 87:1090 88:561 89:1992 90:174 91:6036 92:898 93:2331 94:2325 95:2308 96:485 97:359 98:935 99:46 100:75 101:1043 103:10836 104:2453 105:125 106:399 107:1177 108:668 109:2192 110:1256 111:1650 112:1006 113:1143 114:1052 115:1616 116:1580 117:1435 118:2057 119:1625 120:916 121:1181 122:2179 123:2009 124:1571 125:1728 128:717 129:418 130:415 131:1331 132:624 133:176 134:454 135:127 136:374 137:352 138:1716 139:278 140:543 141:459 142:638 143:931 144:692 145:160 146:870 147:624 148:1482 149:509 150:649 151:882 152:618 153:281 154:626 155:928 156:499 157:435 158:334 159:1117 160:484 161:710 162:2323 163:551 164:900 165:1046 166:320 167:1148 168:1852 169:661 170:1598 171:263 172:566 173:1633 174:745 175:723 176:1743 177:3977 178:2204 179:1157 180:2064 181:1781 182:1885 183:950 184:800 185:6436 186:2966 187:2111 188:2127 189:1708 190:7757 191:1225 192:8936 193:5741 194:4383 195:3773 196:1711 197:1080 198:5556 199:5701 200:6981 201:3772 202:10101 203:9647 204:4510 205:2728 206:2974 207:3119 208:4049 209:3862 210:3883 211:2053 212:2680 213:2222 214:843 215:70 216:5783 217:1950 218:797 219:607 220:1686 221:870 222:665 223:1222
End of report
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