Summary
| Country |
 United States
|
| Domain | rcn.com |
| Size | 2,048 |
| Registry | ARIN |
| Network Name | RCN-BLK-15 |
Whois
American Registry for Internet Numbers NET204 (NET-204-0-0-0-0) 204.0.0.0 - 204.255.255.255
RCN RCN-BLK-15 (NET-204-74-0-0-1) 204.74.0.0 - 204.74.9.255
CIDR IP address subranges within 204.74.0.0/21 subnet
- 204.74.0.0/24
- 204.74.1.0/24
- 204.74.2.0/24
- 204.74.3.0/24
- 204.74.4.0/24
- 204.74.5.0/24
- 204.74.6.0/24
- 204.74.7.0/24