133.54.0.0/16
2 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 133.54.0.0/24 | Japan (100%) | 1 | 1 | 1 |
| 133.54.76.0/24 | Japan (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
133.54.0.0 – 133.54.71.255 | AS2907 | Research Organization of Information and Systems National Institute of Informatics | JP |
133.54.76.0 – 133.55.255.255 | AS2907 | Research Organization of Information and Systems National Institute of Informatics | JP |