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[bgp-stats] IPv4 Routing Table Report - Japan (Global) view
IPv4 Routing Table Report 04:00 +10GMT Tue 29 Nov, 2022
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: 916608 Prefixes after maximum aggregation (per Origin AS): 346229 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 442963 Total ASes present in the Internet Routing Table: 73853 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 63427 Origin ASes announcing only one prefix: 26015 Transit ASes present in the Internet Routing Table: 10426 Transit-only ASes present in the Internet Routing Table: 418 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 55 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 993 Number of instances of unregistered ASNs: 1000 Number of 32-bit ASNs allocated by the RIRs: 40734 Number of 32-bit ASNs visible in the Routing Table: 33762 Prefixes from 32-bit ASNs in the Routing Table: 164437 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 516 Number of addresses announced to Internet: 3063271936 Equivalent to 182 /8s, 149 /16s and 210 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 311246
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 239705 Total APNIC prefixes after maximum aggregation: 68212 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 234610 Unique aggregates announced from the APNIC address blocks: 97355 APNIC Region origin ASes present in the Internet Routing Table: 13130 APNIC Prefixes per ASN: 17.87 APNIC Region origin ASes announcing only one prefix: 3821 APNIC Region transit ASes present in the Internet Routing Table: 1755 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8381 Number of APNIC addresses announced to Internet: 773637248 Equivalent to 46 /8s, 28 /16s and 196 /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, 131072-151865 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: 267329 Total ARIN prefixes after maximum aggregation: 121913 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 268912 Unique aggregates announced from the ARIN address blocks: 129465 ARIN Region origin ASes present in the Internet Routing Table: 19074 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6975 ARIN Region transit ASes present in the Internet Routing Table: 1938 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4686 Number of ARIN addresses announced to Internet: 1289304576 Equivalent to 76 /8s, 217 /16s and 58 /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: 262499 Total RIPE prefixes after maximum aggregation: 121339 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 259148 Unique aggregates announced from the RIPE address blocks: 154788 RIPE Region origin ASes present in the Internet Routing Table: 28137 RIPE Prefixes per ASN: 9.21 RIPE Region origin ASes announcing only one prefix: 11977 RIPE Region transit ASes present in the Internet Routing Table: 3949 Average RIPE Region AS path length visible: 4.2 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10899 Number of RIPE addresses announced to Internet: 716134272 Equivalent to 42 /8s, 175 /16s and 87 /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: 117486 Total LACNIC prefixes after maximum aggregation: 28367 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116857 Unique aggregates announced from the LACNIC address blocks: 48915 LACNIC Region origin ASes present in the Internet Routing Table: 11003 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2651 LACNIC Region transit ASes present in the Internet Routing Table: 2257 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 55 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8762 Number of LACNIC addresses announced to Internet: 175836672 Equivalent to 10 /8s, 123 /16s and 14 /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: 28596 Total AfriNIC prefixes after maximum aggregation: 5641 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 36565 Unique aggregates announced from the AfriNIC address blocks: 12011 AfriNIC Region origin ASes present in the Internet Routing Table: 1703 AfriNIC Prefixes per ASN: 21.47 AfriNIC Region origin ASes announcing only one prefix: 591 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 37 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1034 Number of AfriNIC addresses announced to Internet: 108068608 Equivalent to 6 /8s, 112 /16s and 255 /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 9140 8884 50 CHINAMOBILE-CN China Mobile Communicati 7545 5952 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4881 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3624 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3514 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3365 1867 82 VNPT-AS-VN VNPT Corp, VN 9498 2549 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2536 11252 601 KIXS-AS-KR Korea Telecom, KR 24560 2302 849 416 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2180 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
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 7661 10622 2893 AMAZON-02, US 11492 4579 303 539 CABLEONE, US 7155 3966 265 32 VIASAT-SP-BACKBONE, US 22773 3714 3060 318 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3575 1867 2564 AKAMAI-AS, US 6327 3516 1320 63 SHAW, CA 749 3065 50661 2332 DNIC-AS-00749, US 30036 2589 369 312 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2587 24059 1552 ATT-INTERNET4, US 396982 2564 3482 359 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 6948 1730 148 UNI2-AS, ES 9121 6364 1692 17 TTNET, TR 20940 4108 3400 183 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3980 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2950 2290 912 ROSTELECOM-AS, RU 9009 2643 252 1360 M247, RO 47331 2583 385 1945 TTNET, TR 34984 2245 357 609 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, 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 10893 3350 599 Uninet S.A. de C.V., MX 10620 3458 506 849 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2125 348 550 Mega Cable, S.A. de C.V., MX 28573 1335 2327 262 Claro NXT Telecomunicacoes Ltda, BR 6503 1293 338 521 Axtel, S.A.B. de C.V., MX 3816 1287 728 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1149 369 22 Telefonica del Peru S.A.A., PE 11664 1131 183 478 Techtel LMDS Comunicaciones Interactiva 26615 988 2466 43 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 24835 1544 537 31 RAYA-AS, EG 24863 1539 393 21 LINKdotNET-AS, EG 36992 1356 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1010 67 40 ORANGE-COTE-IVOIRE, CI 36935 879 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 530 54 45 WANANCHI-, KE 37342 441 32 1 MOVITEL, MZ 23889 400 231 14 MauritiusTelecom, MU
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 10893 3350 599 Uninet S.A. de C.V., MX 9808 9140 8884 50 CHINAMOBILE-CN China Mobile Communicati 16509 7661 10622 2893 AMAZON-02, US 12479 6948 1730 148 UNI2-AS, ES 9121 6364 1692 17 TTNET, TR 7545 5952 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4881 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4579 303 539 CABLEONE, US 20940 4108 3400 183 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary -----------------------------------------
ASN No of nets Net Savings Description 9808 9140 9090 CHINAMOBILE-CN China Mobile Communications Grou 12479 6948 6800 UNI2-AS, ES 9121 6364 6347 TTNET, TR 7545 5952 5257 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4881 4806 ERX-CERNET-BKB China Education and Research Net 16509 7661 4768 AMAZON-02, US 11492 4579 4040 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3980 3942 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3966 3934 VIASAT-SP-BACKBONE, 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 65000 PRIVATE 2.92.64.0/20 8371 VIMPELCOM-NN Vimpelcom, Nizh 65000 PRIVATE 2.92.80.0/20 8371 VIMPELCOM-NN Vimpelcom, Nizh 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
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 23.131.184.0/24 Origin: 174 COGENT-174, US 23.131.184.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP 23.131.188.0/24 Origin: 46450 PILOT, US 23.131.188.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE
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 /9:13 /10:39 /11:100 /12:295 /13:587 /14:1201 /15:2045 /16:13520 /17:8316 /18:13914 /19:25199 /20:44322 /21:52426 /22:110277 /23:98008 /24:545499 /25:831 /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 5980 6948 UNI2-AS, ES 9121 5528 6364 TTNET, TR 8151 4838 10893 Uninet S.A. de C.V., MX 11492 3485 4579 CABLEONE, US 8551 3444 3980 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3324 3516 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 3055 3966 VIASAT-SP-BACKBONE, US 22773 2741 3714 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2247 2589 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1868 2:1028 3:166 4:5 5:4055 6:118 7:5 8:1585 9:1 11:173 12:1616 13:380 14:2370 15:286 16:73 17:367 18:386 20:239 21:4 22:188 23:6022 24:2465 25:6 27:2708 29:19 31:2483 32:99 34:8 35:94 36:1807 37:4490 38:3872 39:771 40:144 41:3961 42:1195 43:2299 44:303 45:16383 46:4167 47:378 49:1720 50:1933 51:244 52:1506 54:398 55:844 56:8 57:78 58:1792 59:1157 60:1006 61:2426 62:2581 63:1948 64:5645 65:2338 66:4846 67:3000 68:1380 69:4175 70:1293 71:687 72:2995 74:2645 75:1472 76:600 77:2260 78:3968 79:3162 80:2040 81:1827 82:1501 83:1223 84:1497 85:3747 86:750 87:1930 88:2845 89:3448 90:574 91:7612 92:1994 93:2567 94:3530 95:4830 96:1337 97:348 98:1174 99:740 100:69 101:1049 102:2446 103:30516 104:4546 105:482 106:829 107:2532 108:918 109:4306 110:2017 111:3317 112:2039 113:1568 114:1618 115:2073 116:1908 117:2468 118:2335 119:1881 120:1726 121:1112 122:2595 123:2136 124:1577 125:2206 128:1264 129:979 130:971 131:2019 132:847 133:401 134:1915 135:295 136:880 137:862 138:2550 139:1520 140:1043 141:1480 142:1416 143:1414 144:1200 145:354 146:1897 147:1512 148:2266 149:1819 150:864 151:1145 152:1836 153:456 154:3803 155:1405 156:1633 157:1284 158:1039 159:2237 160:2567 161:1424 162:3519 163:1456 164:1676 165:1643 166:846 167:1724 168:3867 169:918 170:4545 171:866 172:3517 173:3113 174:1034 175:1168 176:3626 177:4819 178:3549 179:2143 180:2361 181:3360 182:3257 183:1937 184:2355 185:19941 186:4615 187:3970 188:4030 189:3452 190:9057 191:1455 192:11009 193:8782 194:7201 195:5092 196:2967 197:2417 198:6011 199:6098 200:7714 201:5834 202:10583 203:10081 204:4606 205:3474 206:3831 207:3402 208:4113 209:4808 210:4417 211:2489 212:4055 213:3527 214:1098 215:56 216:6584 217:2619 218:1288 219:574 220:2047 221:953 222:839 223:2037
End of report
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