Enter host name or IP address: 2 result(s) for 51.222.172.65.in-addr.arpa
namequery typeresultfirst seenlast seen
51.222.172.65.in-addr.arpa. PTRns20.acsonline.com.
2015-01-28 11:40:512015-03-02 01:13:07
51.222.172.65.in-addr.arpa. PTRacsdalns5.acs-inc.com.
2015-01-28 11:40:512015-03-02 01:13:07

WHOIS info for: 51.222.172.65.in-addr.arpa

No whois server is known for this kind of object.