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WHOIS IP Lookup Tool

The IPWHOIS Lookup tool finds contact information for the owner of a specified IP address.

Enter a host name or an IP address:
Source:  whois.arin.net
IP Address:  173.252.87.45
Name:  FACEBOOK-INC
Handle:  NET-173-252-64-0-1
Registration Date:  2/28/11
Range:  173.252.64.0-173.252.127.255
Org:  Facebook, Inc.
Org Handle:  THEFA-3
Address:  1601 Willow Rd.
City:  Menlo Park
State/Province:  CA
Postal Code:  94025
Country:  United States
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