BGP Announced
| AS | CIDR | Description |
|---|---|---|
| AS2500 |
163.221.0.0/16
|
WIDE-BB - WIDE Project, JP |
| AS131158 | 163.221.0.0/16 | NAIST-AS - Nara Institute of Science and Technology, National University Corporation, JP |
Real Time BGP Data
| AS / Info | IP / Time | AS Path |
|---|---|---|
| Loading... | ||
Reverse DNS List (Total:136)
| IP | Host | DateTime |
|---|---|---|
| 163.221.12.17 | ex-core1-v2230.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.21 | bs-rapid.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.25 | h28-juniper1-v2237.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.29 | ns162.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.33 | vr-2247.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.34 | sys30-arista1-v2247.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.35 | sys30-arista2-v2247.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.38 | databox211.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.39 | databox212.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.40 | databox211-test.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.41 | databox212-test.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.42 | databox-lb211.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.43 | databox-lb212.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.49 | ex-core1-v2233.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.53 | adm-support.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.54 | syllabus2020.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.55 | subjregist2020.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.56 | lifetime-web2021.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.57 | unipa-web2021.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.58 | jimu-reiki29.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.59 | naistpedia2022.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.60 | jimu-reiki2022.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.61 | p-research2021.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.62 | api-research2021.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.65 | vr-2246.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.66 | sys30-arista1-v2246.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.67 | sys30-arista2-v2246.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.70 | multi211-a.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.71 | multi211-b.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.72 | multi211-c.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.73 | multi211-d.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.74 | multi211-e.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.76 | virtual-cast211.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.78 | multi212-a.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.79 | multi212-b.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.80 | multi212-c.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.81 | multi212-d.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.82 | multi212-e.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.86 | iswsm211.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.87 | iswsm212.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.97 | vr-2232.naist.jp | 2024-04-22 04:25:35 |
| 163.221.12.98 | juniper-itc1-v2232.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.99 | juniper-itc2-v2232.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.101 | sdns.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.102 | sdnc.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.103 | sdnv2020.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.104 | sdnc2020.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.107 | sdnv.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.108 | sdna.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.109 | sdnr2020.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.110 | sdnc2.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.113 | vr-2243.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.114 | sys28-arista1-v2243.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.115 | sys28-arista2-v2243.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.117 | am.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.118 | am191.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.119 | am192.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.120 | am-lb191.naist.jp | 2024-04-22 04:25:35 |
| 163.221.12.121 | am-lb192.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.122 | am-rp191.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.123 | am-rp192.naist.jp | 2024-04-22 04:25:35 |
| 163.221.12.129 | h28-juniper1-v2238.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.130 | mailbox41-v2238.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.131 | mailbox42-v2238.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.132 | mailbox43-v2238.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.133 | mailbox31.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.134 | mailbox32.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.135 | mailbox33.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.136 | mailbox30.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.137 | mailbox39.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.140 | mailweb31.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.141 | mailweb32.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.142 | mailweb33.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.144 | mailindex31.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.145 | mailindex32.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.146 | mailindex33.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.148 | mailrelay31.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.149 | mailgate31.naist.jp | 2024-04-22 04:25:35 |
| 163.221.12.150 | mailpost31.naist.jp | 2024-04-22 04:25:35 |
| 163.221.12.152 | mailrelay32.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.153 | mailgate32.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.154 | mailpost32.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.156 | mailscan31.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.157 | mailscan32.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.161 | sys29-juniper1-v2244.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.167 | ns202.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.168 | iswsm201.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.169 | iswsm202.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.177 | vr-2248.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.178 | ex-core1-v2248.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.179 | ex-core2-v2248.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.182 | am231.naist.jp | 2024-04-22 04:25:35 |
| 163.221.12.183 | am232.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.184 | am-lb231.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.185 | am-lb232.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.189 | systest231.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.190 | systest232.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.193 | vr-2240.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.194 | h29-arista1-v2240.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.195 | h29-arista2-v2240.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.197 | multi171-a.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.198 | multi171-b.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.199 | multi171-d.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.200 | multi171-e.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.201 | multi172-a.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.202 | multi172-b.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.203 | multi172-d.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.204 | multi172-e.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.209 | vr-2241.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.210 | h29-arista1-v2241.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.211 | h29-arista2-v2241.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.213 | multi171-c.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.214 | multi172-c.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.225 | sys29-juniper1-v2245.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.228 | mailweb41.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.229 | mailweb42.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.230 | mailweb43.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.232 | mailbox41.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.233 | mailbox42.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.234 | mailbox43.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.235 | mailbox40.naist.jp | 2024-04-22 04:25:35 |
| 163.221.12.236 | mailrelay41.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.237 | mailrelay42.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.238 | mailrelay43.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.240 | mailgate41.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.241 | mailgate42.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.242 | mailgate43.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.244 | mailpost41.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.245 | mailpost42.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.246 | mailpost43.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.248 | mailsgw30.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.249 | mailsgw31.naist.jp | 2024-04-22 04:25:35 |
| 163.221.12.250 | mailsgw32.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.252 | mailsgw40.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.253 | mailsgw41.naist.jp | 2024-04-18 21:42:53 |
| 163.221.12.254 | mailsgw42.naist.jp | 2024-04-18 21:42:53 |
Top 20 / total ASN
| Country / Region | Allocated ASNs | ASN IPv4 Number | ASN IPv6 Number(/64) |
|---|---|---|---|
United States
|
30419 | 1445901812 | 971495711059090 |
Brazil
|
9001 | 88031760 | 29376869666822 |
China
|
6732 | 372632952 | 129907453338240 |
Russian Federation
|
5802 | 47613458 | 294427523477312 |
India
|
5789 | 36212512 | 24456373243904 |
Australia
|
5023 | 42286964 | 20569917167872 |
Indonesia
|
3297 | 17795584 | 1324558712832 |
United Kingdom
|
3175 | 81146148 | 32014403239936 |
Germany
|
3097 | 113857576 | 71036777988096 |
Poland
|
2511 | 19279616 | 15951123059712 |
Canada
|
2349 | 55991224 | 3523309536256 |
France
|
2280 | 77259808 | 12875266850816 |
Ukraine
|
2115 | 9680384 | 5076033798144 |
Bangladesh
|
1755 | 1908236 | 1013879275520 |
Netherlands
|
1586 | 55646640 | 26109800416768 |
Italy
|
1300 | 52326096 | 28824793907200 |
Hong Kong
|
1268 | 17900148 | 1725691855616 |
Argentina
|
1260 | 19527904 | 18796763152384 |
Japan
|
1232 | 168093032 | 33532218048512 |
Spain
|
1224 | 34626048 | 7970913259520 |