Whois
American Registry for Internet Numbers NET204 (NET-204-0-0-0-0) 204.0.0.0 - 204.255.255.255
PSINet, Inc. COGENT-204-240-14 (NET-204-240-0-0-1) 204.240.0.0 - 204.243.255.255
Rackdog, LLC NORTHERN-CABLE (NET-204-242-0-0-1) 204.242.0.0 - 204.242.255.255
NORTHERN CABLE AND FIBER, LLC NET-204-242-0-0 (NET-204-242-0-0-2) 204.242.0.0 - 204.242.255.255
NORTHERN CABLE AND FIBER, LLC NORTHERN-CABLE (NET-204-242-112-0-1) 204.242.112.0 - 204.242.127.255
CIDR IP address subranges within 204.242.112.0/21 subnet
- 204.242.112.0/24
- 204.242.113.0/24
- 204.242.114.0/24
- 204.242.115.0/24
- 204.242.116.0/24
- 204.242.117.0/24
- 204.242.118.0/24
- 204.242.119.0/24
United States