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[bgp-stats] IPv4 Routing Table Report - Japan (Global) view
IPv4 Routing Table Report 04:00 +10GMT Fri 28 Jul, 2023
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: 927852 Prefixes after maximum aggregation (per Origin AS): 351554 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 452322 Total ASes present in the Internet Routing Table: 74621 Prefixes per ASN: 12.43 Origin-only ASes present in the Internet Routing Table: 64071 Origin ASes announcing only one prefix: 26308 Transit ASes present in the Internet Routing Table: 10550 Transit-only ASes present in the Internet Routing Table: 454 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 68 Max AS path prepend of ASN (263725) 64 Prefixes from unregistered ASNs in the Routing Table: 1094 Number of instances of unregistered ASNs: 1096 Number of 32-bit ASNs allocated by the RIRs: 42327 Number of 32-bit ASNs visible in the Routing Table: 34866 Prefixes from 32-bit ASNs in the Routing Table: 174037 Number of bogon 32-bit ASNs visible in the Routing Table: 35 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 604 Number of addresses announced to Internet: 3053882368 Equivalent to 182 /8s, 6 /16s and 140 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 309038
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 246428 Total APNIC prefixes after maximum aggregation: 70158 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 240183 Unique aggregates announced from the APNIC address blocks: 98808 APNIC Region origin ASes present in the Internet Routing Table: 13551 APNIC Prefixes per ASN: 17.72 APNIC Region origin ASes announcing only one prefix: 4015 APNIC Region transit ASes present in the Internet Routing Table: 1789 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8869 Number of APNIC addresses announced to Internet: 773604480 Equivalent to 46 /8s, 28 /16s and 68 /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: 271843 Total ARIN prefixes after maximum aggregation: 123591 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273961 Unique aggregates announced from the ARIN address blocks: 130652 ARIN Region origin ASes present in the Internet Routing Table: 19093 ARIN Prefixes per ASN: 14.35 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1952 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4814 Number of ARIN addresses announced to Internet: 1277306112 Equivalent to 76 /8s, 34 /16s and 37 /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, 393216-401308 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: 260273 Total RIPE prefixes after maximum aggregation: 122634 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 257047 Unique aggregates announced from the RIPE address blocks: 159870 RIPE Region origin ASes present in the Internet Routing Table: 28351 RIPE Prefixes per ASN: 9.07 RIPE Region origin ASes announcing only one prefix: 12035 RIPE Region transit ASes present in the Internet Routing Table: 3943 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11260 Number of RIPE addresses announced to Internet: 716764032 Equivalent to 42 /8s, 184 /16s and 243 /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 196608-213403 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: 118529 Total LACNIC prefixes after maximum aggregation: 28520 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117653 Unique aggregates announced from the LACNIC address blocks: 49708 LACNIC Region origin ASes present in the Internet Routing Table: 11000 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2683 LACNIC Region transit ASes present in the Internet Routing Table: 2323 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 68 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8808 Number of LACNIC addresses announced to Internet: 178537216 Equivalent to 10 /8s, 164 /16s and 67 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 29685 Total AfriNIC prefixes after maximum aggregation: 5919 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 38404 Unique aggregates announced from the AfriNIC address blocks: 12790 AfriNIC Region origin ASes present in the Internet Routing Table: 1770 AfriNIC Prefixes per ASN: 21.70 AfriNIC Region origin ASes announcing only one prefix: 618 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 40 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1115 Number of AfriNIC addresses announced to Internet: 107329792 Equivalent to 6 /8s, 101 /16s and 185 /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 9519 8706 40 CHINAMOBILE-CN China Mobile Communicati 7545 5682 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4854 4192 75 ERX-CERNET-BKB China Education and Rese 18403 4255 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3587 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3370 1856 95 VNPT-AS-VN VNPT Corp, VN 7552 3343 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3050 498 247 BBIL-AP BHARTI Airtel Ltd., IN 4766 2553 11271 591 KIXS-AS-KR Korea Telecom, KR 24560 2462 835 448 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
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 8788 10933 3172 AMAZON-02, US 11492 4525 300 620 CABLEONE, US 7155 4194 288 101 VIASAT-SP-BACKBONE, US 22773 3541 3053 268 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 16625 3151 1564 2367 AKAMAI-AS, US 749 3139 54962 2391 DNIC-AS-00749, US 367 2962 3834 1400 DNIC-ASBLK-00306-00371, US 396982 2679 3595 384 GOOGLE-CLOUD-PLATFORM, US 30036 2511 361 357 MEDIACOM-ENTERPRISE-BUSINESS, 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 7308 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4078 3398 158 AKAMAI-ASN1, NL 8551 3453 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2973 2294 914 ROSTELECOM-AS, RU 9009 2670 247 1394 M247, RO 34984 2313 361 605 TELLCOM-AS, TR 58224 1816 944 535 TCI, IR 6849 1775 307 17 UKRTELNET, UA 13188 1606 100 27 TRIOLAN, UA
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 11621 3373 596 UNINET, MX 10620 3531 507 835 Telmex Colombia S.A., CO 13999 2418 362 634 Mega Cable, S.A. de C.V., MX 11830 1997 369 64 Instituto Costarricense de Electricidad 28573 1318 2322 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1281 344 505 Axtel, S.A.B. de C.V., MX 6147 1123 370 22 Telefonica del Peru S.A.A., PE 11664 1112 181 436 Techtel LMDS Comunicaciones Interactiva 26615 1035 2500 48 TIM SA, BR
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 1587 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1355 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 539 1861 34 IAM-AS, MA 37342 507 32 1 MOVITEL, MZ 24757 485 73 5 EthioNet-AS, ET 15399 457 54 50 WANANCHI-, KE
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 11621 3373 596 UNINET, MX 9808 9519 8706 40 CHINAMOBILE-CN China Mobile Communicati 16509 8788 10933 3172 AMAZON-02, US 12479 7308 1706 141 UNI2-AS, ES 7545 5682 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 4538 4854 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4525 300 620 CABLEONE, US 18403 4255 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4194 288 101 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 9519 9479 CHINAMOBILE-CN China Mobile Communications Grou 12479 7308 7167 UNI2-AS, ES 16509 8788 5616 AMAZON-02, US 7545 5682 4991 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 4538 4854 4779 ERX-CERNET-BKB China Education and Research Net 18403 4255 4230 FPT-AS-AP FPT Telecom Company, VN 7155 4194 4093 VIASAT-SP-BACKBONE, US 20940 4078 3920 AKAMAI-ASN1, NL 11492 4525 3905 CABLEONE, US
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 33492 UNALLOCATED 8.6.184.0/23 33650 COMCAST-33650, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 46887 LIGHTOWER, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW
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 /9:14 /10:39 /11:102 /12:297 /13:579 /14:1198 /15:2071 /16:13482 /17:8285 /18:13874 /19:25199 /20:44424 /21:51546 /22:110195 /23:98921 /24:556861 /25:749 /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 6398 7308 UNI2-AS, ES 8151 5578 11621 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4525 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3139 4194 VIASAT-SP-BACKBONE, US 8551 2922 3453 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2607 3541 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2166 2511 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2090 3531 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:2217 2:1351 3:244 4:5 5:4501 6:131 7:6 8:1552 9:1 11:172 12:1522 13:374 14:2309 15:302 16:198 17:373 18:534 20:271 21:4 22:188 23:6361 24:2476 25:4 27:2503 29:19 31:2535 32:81 34:25 35:114 36:1986 37:4690 38:5098 39:831 40:152 41:3876 42:2030 43:2327 44:304 45:16690 46:4377 47:381 49:1788 50:1857 51:584 52:1592 54:392 55:917 56:8 57:120 58:1892 59:1152 60:988 61:2488 62:2671 63:1924 64:5570 65:2288 66:4953 67:3049 68:1326 69:4090 70:1208 71:679 72:2979 74:2636 75:1581 76:620 77:2446 78:1831 79:2970 80:2111 81:1803 82:1490 83:1267 84:1539 85:2983 86:768 87:2013 88:1176 89:3839 90:619 91:7803 92:2062 93:2605 94:3571 95:4045 96:1294 97:329 98:1149 99:735 100:95 101:1083 102:2831 103:31823 104:4581 105:568 106:951 107:2547 108:1097 109:4243 110:2109 111:3189 112:2062 113:1812 114:1649 115:1970 116:1912 117:2515 118:2683 119:1982 120:1817 121:1139 122:2577 123:2184 124:1618 125:2514 128:1452 129:1048 130:1022 131:1964 132:810 133:422 134:1790 135:306 136:885 137:959 138:2614 139:1584 140:1254 141:1305 142:1473 143:1494 144:1004 145:342 146:1960 147:1615 148:2432 149:2172 150:882 151:1170 152:1844 153:504 154:4690 155:1377 156:1890 157:1322 158:1100 159:2233 160:2594 161:1561 162:3506 163:1568 164:1724 165:1850 166:1042 167:1734 168:3884 169:931 170:4606 171:893 172:3639 173:2985 174:1049 175:1192 176:3747 177:4491 178:3619 179:2159 180:2460 181:3497 182:3444 183:1987 184:2296 185:20503 186:4739 187:4095 188:4128 189:3717 190:9221 191:1388 192:10943 193:8940 194:7315 195:5167 196:3120 197:2458 198:6026 199:6097 200:8023 201:5940 202:10614 203:10097 204:4564 205:3675 206:4354 207:3450 208:4135 209:4934 210:4478 211:2533 212:4262 213:3590 214:1098 215:60 216:6690 217:2761 218:1282 219:584 220:2031 221:961 222:854 223:2191
End of report
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