Keyboard Shortcuts
Thread View
j
: Next unread messagek
: Previous unread messagej a
: Jump to all threadsj l
: Jump to MailingList overview

[bgp-stats] IPv4 Routing Table Report - Japan (Global) view
IPv4 Routing Table Report 04:00 +10GMT Thu 02 Jun, 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: 899202 Prefixes after maximum aggregation (per Origin AS): 338880 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 433493 Total ASes present in the Internet Routing Table: 73228 Prefixes per ASN: 12.28 Origin-only ASes present in the Internet Routing Table: 62843 Origin ASes announcing only one prefix: 25797 Transit ASes present in the Internet Routing Table: 10385 Transit-only ASes present in the Internet Routing Table: 380 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 68 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 908 Number of instances of unregistered ASNs: 915 Number of 32-bit ASNs allocated by the RIRs: 39507 Number of 32-bit ASNs visible in the Routing Table: 32776 Prefixes from 32-bit ASNs in the Routing Table: 154537 Number of bogon 32-bit ASNs visible in the Routing Table: 242 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 505 Number of addresses announced to Internet: 3065615616 Equivalent to 182 /8s, 185 /16s and 149 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 305659
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 235153 Total APNIC prefixes after maximum aggregation: 66764 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 230322 Unique aggregates announced from the APNIC address blocks: 95074 APNIC Region origin ASes present in the Internet Routing Table: 12691 APNIC Prefixes per ASN: 18.15 APNIC Region origin ASes announcing only one prefix: 3649 APNIC Region transit ASes present in the Internet Routing Table: 1761 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7898 Number of APNIC addresses announced to Internet: 773883008 Equivalent to 46 /8s, 32 /16s and 132 /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: 262314 Total ARIN prefixes after maximum aggregation: 120453 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262045 Unique aggregates announced from the ARIN address blocks: 126252 ARIN Region origin ASes present in the Internet Routing Table: 19037 ARIN Prefixes per ASN: 13.77 ARIN Region origin ASes announcing only one prefix: 6906 ARIN Region transit ASes present in the Internet Routing Table: 1938 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4511 Number of ARIN addresses announced to Internet: 1293280768 Equivalent to 77 /8s, 21 /16s and 230 /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: 257983 Total RIPE prefixes after maximum aggregation: 117895 RIPE Deaggregation factor: 2.19 Prefixes being announced from the RIPE address blocks: 255514 Unique aggregates announced from the RIPE address blocks: 151151 RIPE Region origin ASes present in the Internet Routing Table: 28116 RIPE Prefixes per ASN: 9.09 RIPE Region origin ASes announcing only one prefix: 12009 RIPE Region transit ASes present in the Internet Routing Table: 3970 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10704 Number of RIPE addresses announced to Internet: 713963136 Equivalent to 42 /8s, 142 /16s and 54 /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: 114878 Total LACNIC prefixes after maximum aggregation: 27629 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 114703 Unique aggregates announced from the LACNIC address blocks: 48704 LACNIC Region origin ASes present in the Internet Routing Table: 10972 LACNIC Prefixes per ASN: 10.45 LACNIC Region origin ASes announcing only one prefix: 2657 LACNIC Region transit ASes present in the Internet Routing Table: 2221 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 54 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8685 Number of LACNIC addresses announced to Internet: 176441344 Equivalent to 10 /8s, 132 /16s and 72 /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: 27966 Total AfriNIC prefixes after maximum aggregation: 5462 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36113 Unique aggregates announced from the AfriNIC address blocks: 11896 AfriNIC Region origin ASes present in the Internet Routing Table: 1652 AfriNIC Prefixes per ASN: 21.86 AfriNIC Region origin ASes announcing only one prefix: 576 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 68 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 978 Number of AfriNIC addresses announced to Internet: 107759104 Equivalent to 6 /8s, 108 /16s and 70 /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 9210 8880 38 CHINAMOBILE-CN China Mobile Communicati 7545 5933 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4707 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3570 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3485 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3427 1880 56 VNPT-AS-VN VNPT Corp, VN 4766 2493 11121 601 KIXS-AS-KR Korea Telecom, KR 9498 2410 499 236 BBIL-AP BHARTI Airtel Ltd., IN 45090 2169 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 424 213 TATACOMM-AS TATA Communications formerl
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 6493 10360 2815 AMAZON-02, US 11492 4516 299 658 CABLEONE, US 22773 3913 3070 363 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3522 1813 2520 AKAMAI-AS, US 6327 3442 1319 65 SHAW, CA 749 2866 50792 2124 DNIC-AS-00749, US 30036 2619 373 188 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2441 4961 419 CENTURYLINK-US-LEGACY-QWEST, US 20115 2250 3050 492 CHARTER-20115, 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 6820 1730 150 UNI2-AS, ES 9121 6743 1692 17 TTNET, TR 8551 3991 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3967 3360 204 AKAMAI-ASN1, NL 39891 3827 222 40 ALJAWWALSTC-AS, SA 12389 2948 2273 907 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2475 246 1280 M247, GB 34984 2242 357 631 TELLCOM-AS, TR 47331 2088 328 1600 TTNET, TR
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 10661 3400 555 Uninet S.A. de C.V., MX 10620 3486 519 731 Telmex Colombia S.A., CO 11830 2434 369 63 Instituto Costarricense de Electricidad 13999 1838 303 472 Mega Cable, S.A. de C.V., MX 6503 1446 355 526 Axtel, S.A.B. de C.V., MX 28573 1383 2334 256 CLARO S.A., BR 3816 1257 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1076 369 21 Telefonica del Peru S.A.A., PE 11664 1027 192 442 Techtel LMDS Comunicaciones Interactiva 11172 958 133 61 Alestra, S. de R.L. de C.V., MX
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 1658 393 21 LINKdotNET-AS, EG 24835 1472 519 32 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 960 65 64 ORANGE-COTE-IVOIRE, CI 36935 777 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 516 51 37 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 23889 423 232 16 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 10661 3400 555 Uninet S.A. de C.V., MX 9808 9210 8880 38 CHINAMOBILE-CN China Mobile Communicati 12479 6820 1730 150 UNI2-AS, ES 9121 6743 1692 17 TTNET, TR 16509 6493 10360 2815 AMAZON-02, US 7545 5933 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4707 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4516 299 658 CABLEONE, US 8551 3991 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3967 3360 204 AKAMAI-ASN1, NL
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary -----------------------------------------
ASN No of nets Net Savings Description 9808 9210 9172 CHINAMOBILE-CN China Mobile Communications Grou 9121 6743 6726 TTNET, TR 12479 6820 6670 UNI2-AS, ES 7545 5933 5238 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4707 4632 ERX-CERNET-BKB China Education and Research Net 8551 3991 3952 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4516 3858 CABLEONE, US 39891 3827 3787 ALJAWWALSTC-AS, SA 20940 3967 3763 AKAMAI-ASN1, NL
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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 17033 UNALLOCATED 8.48.225.0/24 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 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US 23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG 23.185.16.0/24 Origin: 399244 BLOOM-HOST, US 23.185.16.0/24 Transit: 13335 CLOUDFLARENET, US 23.185.17.0/24 Origin: 399244 BLOOM-HOST, US 23.185.17.0/24 Transit: 13335 CLOUDFLARENET, 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
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 /10:41 /11:99 /12:301 /13:590 /14:1208 /15:2054 /16:13524 /17:8288 /18:13865 /19:25140 /20:43995 /21:52184 /22:108486 /23:96252 /24:532335 /25:811 /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 9121 5897 6743 TTNET, TR 12479 5794 6820 UNI2-AS, ES 8151 4386 10661 Uninet S.A. de C.V., MX 8551 3457 3991 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3419 4516 CABLEONE, US 6327 3250 3442 SHAW, CA 39891 3139 3827 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2916 3913 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2730 2874 UKRTELNET, UA
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1933 2:1021 3:156 4:6 5:3799 6:104 7:5 8:1568 9:1 11:173 12:1680 13:291 14:2383 15:201 16:41 17:383 18:163 20:213 21:4 22:188 23:5655 24:2331 25:6 27:2607 29:19 31:2447 32:93 34:4 35:82 36:1779 37:4457 38:2906 39:708 40:152 41:3974 42:1118 43:2189 44:290 45:16072 46:4159 47:324 49:1688 50:2161 51:108 52:1434 54:373 55:719 56:8 57:58 58:1758 59:1162 60:957 61:2262 62:2534 63:1941 64:5534 65:2333 66:4849 67:2976 68:1194 69:4184 70:1332 71:685 72:3056 74:2645 75:1392 76:588 77:2187 78:3920 79:3115 80:1993 81:1751 82:1495 83:1205 84:1351 85:3678 86:713 87:1967 88:2760 89:3315 90:530 91:7605 92:2017 93:2578 94:3495 95:4808 96:1310 97:349 98:999 99:736 100:77 101:1046 102:2089 103:29135 104:4428 105:458 106:872 107:2528 108:839 109:4272 110:2026 111:3303 112:2037 113:1536 114:1485 115:1968 116:1919 117:2505 118:2321 119:1835 120:1698 121:1075 122:2545 123:2093 124:1587 125:2125 128:1248 129:1095 130:976 131:2061 132:769 133:378 134:1900 135:292 136:882 137:856 138:2432 139:1512 140:864 141:1415 142:1295 143:1442 144:1205 145:347 146:1820 147:1465 148:2219 149:1733 150:847 151:1079 152:1850 153:460 154:3549 155:1427 156:1811 157:1245 158:1049 159:2205 160:2529 161:1280 162:3464 163:1279 164:1636 165:1607 166:728 167:1714 168:3784 169:843 170:4477 171:832 172:3199 173:3127 174:1023 175:1124 176:3599 177:4668 178:3550 179:2053 180:2291 181:3010 182:3250 183:1956 184:2371 185:19520 186:4271 187:3821 188:3891 189:3300 190:8875 191:1300 192:11010 193:8618 194:7010 195:4945 196:2985 197:2389 198:5996 199:6029 200:7556 201:5715 202:10510 203:10029 204:4548 205:3413 206:3755 207:3377 208:4007 209:4671 210:4340 211:2455 212:4046 213:3402 214:1147 215:67 216:6474 217:2674 218:1291 219:573 220:1949 221:969 222:825 223:2165
End of report
Activity Summary
- 304 days inactive
- 304 days old
- bgp-stats@lists.apnic.net
- 1 participants
- 0 comments