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Summary
| Country |
 United States
|
| Domain | optimum.net |
| Size | 512 |
| Registry | ARIN |
| Network Name | CABLE-OPERATIONS |
Whois
Various Registries (Maintained by ARIN) NET198 (NET-198-0-0-0-0) 198.0.0.0 - 198.255.255.255
Optimum Online CABLE-OPERATIONS (NET-198-185-218-0-1) 198.185.218.0 - 198.185.219.255CIDR IP address subranges within 198.185.218.0/23 subnet
- 198.185.218.0/24
- 198.185.219.0/24