Summary
| ASN | AS55390 Tokyo University of Science |
| BGP | 133.31.0.0/16 |
| Registry | APNIC |
| Country | JP |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 1997-03-01 |
| Last Updated | 2026-08-26 |
| 133.31.0.0/24 | N/A | 0 | 1 | 1 |
| 133.31.128.0/24 | N/A | 0 | 1 | 1 |
| ASN | AS55390 Tokyo University of Science |
| BGP | 133.31.0.0/16 |
| Registry | APNIC |
| Country | JP |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 1997-03-01 |
| Last Updated | 2026-08-26 |
| 133.31.0.0/24 | N/A | 0 | 1 | 1 |
| 133.31.128.0/24 | N/A | 0 | 1 | 1 |