Summary
| Country
|
 United States
|
| Domain
|
optimum.com |
| Size
|
4,096 |
| Registry
|
ARIN |
| Network Name
|
SUDDE |
Whois
American Registry for Internet Numbers NET173 (NET-173-0-0-0-0) 173.0.0.0 - 173.255.255.255
Optimum SUDDE (NET-173-216-0-0-1) 173.216.0.0 - 173.219.255.255
CIDR IP address subranges within 173.217.128.0/20 subnet
- 173.217.128.0/24
- 173.217.129.0/24
- 173.217.130.0/24
- 173.217.131.0/24
- 173.217.132.0/24
- 173.217.133.0/24
- 173.217.134.0/24
- 173.217.135.0/24
- 173.217.136.0/24
- 173.217.137.0/24
- 173.217.138.0/24
- 173.217.139.0/24
- 173.217.140.0/24
- 173.217.141.0/24
- 173.217.142.0/24
- 173.217.143.0/24