Summary
| Country |
 United States
|
| Domain | facebook.com |
| Size | 2,048 |
| Registry | ARIN |
| Network Name | TFBNET3 |
Whois
American Registry for Internet Numbers NET66 (NET-66-0-0-0-0) 66.0.0.0 - 66.255.255.255
Facebook, Inc. TFBNET3 (NET-66-220-144-0-1) 66.220.144.0 - 66.220.159.255
CIDR IP address subranges within 66.220.144.0/21 subnet
- 66.220.144.0/24
- 66.220.145.0/24
- 66.220.146.0/24
- 66.220.147.0/24
- 66.220.148.0/24
- 66.220.149.0/24
- 66.220.150.0/24
- 66.220.151.0/24