133.4.0.0/16
2 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 133.4.0.0/24 | Japan (100%) | 1 | 1 | 1 |
| 133.4.128.0/24 | Japan (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
133.4.0.0 – 133.4.63.255 | AS55384 | Japan Advanced Institute of Science and Technology | JP |
133.4.128.0 – 133.4.191.255 | AS2500 | WIDE Project | JP |