Summary
| Country
|
 United States
|
| Domain
|
optimum.net |
| Size
|
8,192 |
| Registry
|
ARIN |
| Network Name
|
OPTO |
Whois
Various Registries (Maintained by ARIN) NET148 (NET-148-0-0-0-0) 148.0.0.0 - 148.255.255.255
Optimum Online OPTO (NET-148-74-0-0-1) 148.74.0.0 - 148.76.223.255
CIDR IP address subranges within 148.76.192.0/19 subnet
- 148.76.192.0/24
- 148.76.193.0/24
- 148.76.194.0/24
- 148.76.195.0/24
- 148.76.196.0/24
- 148.76.197.0/24
- 148.76.198.0/24
- 148.76.199.0/24
- 148.76.200.0/24
- 148.76.201.0/24
- 148.76.202.0/24
- 148.76.203.0/24
- 148.76.204.0/24
- 148.76.205.0/24
- 148.76.206.0/24
- 148.76.207.0/24
- 148.76.208.0/24
- 148.76.209.0/24
- 148.76.210.0/24
- 148.76.211.0/24
- 148.76.212.0/24
- 148.76.213.0/24
- 148.76.214.0/24
- 148.76.215.0/24
- 148.76.216.0/24
- 148.76.217.0/24
- 148.76.218.0/24
- 148.76.219.0/24
- 148.76.220.0/24
- 148.76.221.0/24
- 148.76.222.0/24
- 148.76.223.0/24