Summary
| Country |
 United States
|
| Domain | cerf.net |
| Size | 512 |
| Registry | ARIN |
| Network Name | CERFNET-BLK-206 |
Whois
American Registry for Internet Numbers NET206 (NET-206-0-0-0-0) 206.0.0.0 - 206.255.255.255
CERFnet CERFNET-BLK-206 (NET-206-16-0-0-1) 206.16.0.0 - 206.19.255.255
CIDR IP address subranges within 206.19.222.0/23 subnet
- 206.19.222.0/24
- 206.19.223.0/24