All IP Ranges › 163.0.0.0/8
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|
| 163.220.0.0/24 | Japan (100%) | 1 | 1 | 1 |
| 163.220.176.0/24 | Japan (100%) | 1 | 1 | 1 |
| 163.220.192.0/24 | Japan (100%) | 1 | 1 | 1 |
| 163.220.224.0/24 | Japan (100%) | 1 | 1 | 1 |
| 163.220.228.0/24 | Japan (100%) | 1 | 1 | 1 |
| 163.220.232.0/24 | Japan (100%) | 1 | 1 | 1 |
| 163.220.252.0/24 | Japan (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|
163.220.0.0 – 163.220.159.255 | AS2907 | Research Organization of Information and Systems National Institute of Informatics | JP |
163.220.176.0 – 163.220.191.255 | AS2907 | Research Organization of Information and Systems National Institute of Informatics | JP |
163.220.192.0 – 163.220.223.255 | AS63798 | Industrial Cyber Security Center of Excellence | JP |
163.220.224.0 – 163.220.227.255 | AS63770 | Industrial Cyber Security Center of Excellence | JP |
163.220.228.0 – 163.220.231.255 | AS63798 | Industrial Cyber Security Center of Excellence | JP |
163.220.232.0 – 163.220.251.255 | AS63770 | Industrial Cyber Security Center of Excellence | JP |
163.220.252.0 – 163.220.255.255 | AS37917 | University of Tsukuba | JP |