Summary
| ASN | AS19108 Optimum |
| BGP | 173.218.0.0/16 |
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 2009-09-16 |
| Last Updated | 2026-08-26 |
| 173.218.24.0/24 | N/A | 0 | 1 | 1 |
| 173.218.28.0/24 | N/A | 0 | 1 | 1 |
| 173.218.32.0/24 | N/A | 0 | 1 | 1 |
| 173.218.36.0/24 | N/A | 0 | 1 | 1 |
| 173.218.40.0/24 | N/A | 0 | 1 | 1 |
| 173.218.44.0/24 | N/A | 0 | 1 | 1 |
| 173.218.48.0/24 | N/A | 0 | 1 | 1 |
| 173.218.64.0/24 | N/A | 0 | 1 | 1 |
| 173.218.68.0/24 | N/A | 0 | 1 | 1 |
| 173.218.72.0/24 | N/A | 0 | 1 | 1 |
| 173.218.76.0/24 | N/A | 0 | 1 | 1 |
| 173.218.80.0/24 | N/A | 0 | 1 | 1 |
| 173.218.84.0/24 | N/A | 0 | 1 | 1 |
| 173.218.88.0/24 | N/A | 0 | 1 | 1 |
| 173.218.92.0/24 | N/A | 0 | 1 | 1 |
| 173.218.96.0/24 | N/A | 0 | 1 | 1 |
| 173.218.208.0/24 | N/A | 0 | 1 | 1 |
| 173.218.224.0/24 | N/A | 0 | 1 | 1 |
| 173.218.240.0/24 | N/A | 0 | 1 | 1 |
| 173.218.251.0/24 | N/A | 0 | 1 | 1 |