133.221.0.0/16
2 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 133.221.0.0/24 | Japan (100%) | 1 | 1 | 1 |
| 133.221.4.0/24 | Japan (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
133.221.0.0 – 133.221.3.255 | AS2497 | Internet Initiative Japan Inc. | JP |
133.221.4.0 – 133.221.255.255 | AS2497 | Internet Initiative Japan Inc. | JP |