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Summary
| Country |
 United States
|
| Domain | facebook.com |
| Size | 2,048 |
| Registry | ARIN |
| Network Name | FACEBOOK-INC |
Whois
American Registry for Internet Numbers NET173 (NET-173-0-0-0-0) 173.0.0.0 - 173.255.255.255
Facebook, Inc. FACEBOOK-INC (NET-173-252-64-0-1) 173.252.64.0 - 173.252.127.255CIDR IP address subranges within 173.252.88.0/21 subnet
- 173.252.88.0/24
- 173.252.89.0/24
- 173.252.90.0/24
- 173.252.91.0/24
- 173.252.92.0/24
- 173.252.93.0/24
- 173.252.94.0/24
- 173.252.95.0/24