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[bgp-stats] IPv4 Routing Table Report - Japan (Global) view
IPv4 Routing Table Report 04:00 +10GMT Fri 26 Jul, 2024
BGP Table (Global) as seen in Japan.
Report Website: https://thyme.apnic.net Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 954793 Prefixes after maximum aggregation (per Origin AS): 364367 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 466249 Total ASes present in the Internet Routing Table: 76009 Prefixes per ASN: 12.56 Origin-only ASes present in the Internet Routing Table: 65124 Origin ASes announcing only one prefix: 26708 Transit ASes present in the Internet Routing Table: 10885 Transit-only ASes present in the Internet Routing Table: 534 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 84 Max AS path prepend of ASN (152107) 80 Prefixes from unregistered ASNs in the Routing Table: 991 Number of instances of unregistered ASNs: 996 Number of 32-bit ASNs allocated by the RIRs: 45032 Number of 32-bit ASNs visible in the Routing Table: 36786 Prefixes from 32-bit ASNs in the Routing Table: 189947 Number of bogon 32-bit ASNs visible in the Routing Table: 36 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 556 Number of addresses announced to Internet: 3026478208 Equivalent to 180 /8s, 100 /16s and 100 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 311863
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 255799 Total APNIC prefixes after maximum aggregation: 74877 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 247545 Unique aggregates announced from the APNIC address blocks: 101839 APNIC Region origin ASes present in the Internet Routing Table: 14279 APNIC Prefixes per ASN: 17.34 APNIC Region origin ASes announcing only one prefix: 4344 APNIC Region transit ASes present in the Internet Routing Table: 1906 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 84 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9688 Number of APNIC addresses announced to Internet: 761823360 Equivalent to 45 /8s, 104 /16s and 128 /24s 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, 64297-64395, 131072-153913 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: 278354 Total ARIN prefixes after maximum aggregation: 125434 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 282939 Unique aggregates announced from the ARIN address blocks: 134885 ARIN Region origin ASes present in the Internet Routing Table: 19123 ARIN Prefixes per ASN: 14.80 ARIN Region origin ASes announcing only one prefix: 6930 ARIN Region transit ASes present in the Internet Routing Table: 1984 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4944 Number of ARIN addresses announced to Internet: 1267367936 Equivalent to 75 /8s, 138 /16s and 128 /24s 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, 393216-402332 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, 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: 266491 Total RIPE prefixes after maximum aggregation: 127845 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 261534 Unique aggregates announced from the RIPE address blocks: 165379 RIPE Region origin ASes present in the Internet Routing Table: 28674 RIPE Prefixes per ASN: 9.12 RIPE Region origin ASes announcing only one prefix: 12115 RIPE Region transit ASes present in the Internet Routing Table: 3985 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 42 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11901 Number of RIPE addresses announced to Internet: 714616320 Equivalent to 42 /8s, 152 /16s and 46 /24s 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, 64396-64495 196608-216475 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: 121773 Total LACNIC prefixes after maximum aggregation: 29300 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 119729 Unique aggregates announced from the LACNIC address blocks: 50142 LACNIC Region origin ASes present in the Internet Routing Table: 11141 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2647 LACNIC Region transit ASes present in the Internet Routing Table: 2448 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 60 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9029 Number of LACNIC addresses announced to Internet: 177128960 Equivalent to 10 /8s, 142 /16s and 198 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 31385 Total AfriNIC prefixes after maximum aggregation: 6259 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 42490 Unique aggregates announced from the AfriNIC address blocks: 13544 AfriNIC Region origin ASes present in the Internet Routing Table: 1865 AfriNIC Prefixes per ASN: 22.78 AfriNIC Region origin ASes announcing only one prefix: 672 AfriNIC Region transit ASes present in the Internet Routing Table: 362 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1224 Number of AfriNIC addresses announced to Internet: 105238272 Equivalent to 6 /8s, 69 /16s and 207 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9808 9851 8747 79 CHINAMOBILE-CN China Mobile Communication 7545 5659 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4935 4192 74 ERX-CERNET-BKB China Education and Resear 18403 4195 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3961 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3790 511 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3630 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3240 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2825 861 411 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4766 2274 11520 574 KIXS-AS-KR Korea Telecom, KR
Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 16509 10213 11554 3651 AMAZON-02, US 11492 4633 307 543 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3790 8789 881 COGENT-174, US 6327 3595 1320 79 SHAW, CA 22773 3420 3035 188 ASN-CXA-ALL-CCI-22773-RDC, US 749 3253 54899 2505 DNIC-AS-00749, US 16625 3136 1322 2198 AKAMAI-AS, US 7018 2913 23688 1830 ATT-INTERNET4, US 396982 2758 3594 409 GOOGLE-CLOUD-PLATFORM, US
Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 12479 7710 1708 145 UNI2-AS, ES 39891 4521 271 59 ALJAWWALSTC-AS, SA 20940 3838 3396 133 AKAMAI-ASN1, NL 9009 3588 306 1833 M247, RO 12389 2939 2301 888 ROSTELECOM-AS, RU 34984 2355 362 575 TELLCOM-AS, TR 8551 1773 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1727 124 1263 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1575 1852 14 TE-AS TE-AS, EG
Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 11866 3305 502 UNINET, MX 10620 3523 493 939 Telmex Colombia S.A., CO 13999 2543 355 682 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad y 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1316 768 202 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1127 314 478 Axtel, S.A.B. de C.V., MX 6147 1100 369 22 Telefonica del Peru S.A.A., PE 26615 1084 2503 53 TIM SA, BR 22884 1063 97 369 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 24863 1613 389 16 LINKdotNET-AS, EG 24835 1559 593 29 RAYA-AS, EG 36992 1382 1520 280 ETISALAT-MISR, EG 29571 1284 81 76 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 938 521 43 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 36914 478 82 3 KENET-AS, KE 24757 426 73 5 EthioNet-AS, ET 37342 418 32 1 MOVITEL, MZ
Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 11866 3305 502 UNINET, MX 16509 10213 11554 3651 AMAZON-02, US 9808 9851 8747 79 CHINAMOBILE-CN China Mobile Communication 12479 7710 1708 145 UNI2-AS, ES 7545 5659 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4935 4192 74 ERX-CERNET-BKB China Education and Resear 11492 4633 307 543 CABLEONE, US 39891 4521 271 59 ALJAWWALSTC-AS, SA 18403 4195 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary -----------------------------------------
ASN No of nets Net Savings Description 9808 9851 9772 CHINAMOBILE-CN China Mobile Communications Grou 12479 7710 7565 UNI2-AS, ES 16509 10213 6562 AMAZON-02, US 7545 5659 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4935 4861 ERX-CERNET-BKB China Education and Research Net 39891 4521 4462 ALJAWWALSTC-AS, SA 18403 4195 4172 FPT-AS-AP FPT Telecom Company, VN 11492 4633 4090 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3961 3940 VIETEL-AS-AP Viettel Group, VN
Complete listing at https://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name 214471 UNALLOCATED 2.59.252.0/24 35661 VIRTUASYS-EU, FR 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US
Complete listing at https://thyme.apnic.net/current/data-badAS
Prefixes from the Special Purpose Address Registry (Global) -----------------------------------------------------------
Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://thyme.apnic.net/current/data-spar
Advertised Unallocated Addresses --------------------------------
Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, US
Complete listing at https://thyme.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 /9:16 /10:37 /11:92 /12:294 /13:572 /14:1163 /15:2058 /16:13216 /17:8276 /18:13730 /19:24670 /20:44451 /21:51951 /22:111561 /23:100071 /24:581901 /25:718 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 12479 6801 7710 UNI2-AS, ES 8151 5935 11866 UNINET, MX 11492 3542 4633 CABLEONE, US 6327 3392 3595 SHAW, CA 39891 3361 4521 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2557 3420 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2495 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2152 3523 Telmex Colombia S.A., CO 16509 2141 10213 AMAZON-02, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:2314 2:1551 3:383 4:6 5:4376 6:149 7:6 8:1516 9:1 11:172 12:1436 13:365 14:2370 15:326 16:219 17:368 18:786 20:384 21:4 22:188 23:6920 24:2697 25:2 27:2561 29:19 31:2594 32:47 34:63 35:136 36:2341 37:4453 38:8115 39:912 40:147 41:4030 42:1995 43:2394 44:330 45:17542 46:4564 47:300 49:1981 50:1859 51:580 52:1576 54:318 55:927 56:8 57:214 58:2220 59:1251 60:1051 61:2645 62:2761 63:1859 64:5460 65:2273 66:4630 67:3008 68:1308 69:4035 70:1159 71:559 72:2859 74:2602 75:1559 76:618 77:2502 78:1871 79:1782 80:2195 81:1993 82:1658 83:1366 84:1724 85:3190 86:945 87:2297 88:1250 89:4222 90:701 91:8186 92:2348 93:2720 94:3748 95:4208 96:1281 97:317 98:1033 99:739 100:73 101:1173 102:3308 103:32273 104:4791 105:695 106:1007 107:2497 108:1158 109:4054 110:2127 111:3213 112:2061 113:1823 114:1813 115:2036 116:1965 117:2644 118:2796 119:1968 120:1812 121:1356 122:2705 123:2282 124:1624 125:2861 126:32 128:1402 129:939 130:1184 131:1868 132:812 133:417 134:1718 135:319 136:1125 137:1097 138:2857 139:1527 140:1418 141:1380 142:1673 143:1638 144:1030 145:360 146:2103 147:2011 148:2536 149:2785 150:1030 151:1339 152:2237 153:522 154:6848 155:1431 156:2333 157:1899 158:1175 159:2435 160:2852 161:1704 162:3530 163:1714 164:1683 165:2138 166:1256 167:1825 168:4046 169:812 170:4921 171:1047 172:3902 173:3069 174:899 175:1234 176:3460 177:4603 178:3601 179:2157 180:2423 181:3795 182:3326 183:1981 184:2258 185:20929 186:4960 187:4335 188:4084 189:4119 190:9436 191:1525 192:11068 193:9173 194:7487 195:5318 196:3210 197:2569 198:6048 199:8013 200:8130 201:6300 202:10492 203:10298 204:4575 205:3674 206:4497 207:3613 208:4172 209:5041 210:4735 211:2631 212:4373 213:3613 214:1064 215:49 216:6732 217:2963 218:1398 219:597 220:2026 221:1037 222:858 223:2250
End of report
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