Enter host name or IP address: 1 result(s) for 251.255.19.64.in-addr.arpa
namequery typeresultfirst seenlast seen
251.255.19.64.in-addr.arpa. PTRns2.caprock.net.
2015-03-03 05:36:192015-04-07 02:04:19

WHOIS info for: 251.255.19.64.in-addr.arpa

No whois server is known for this kind of object.