Enter host name or IP address: 2 result(s) for 155.221.83.in-addr.arpa
namequery typeresultfirst seenlast seen
155.221.83.in-addr.arpa. NSauthns2.ngdc.net.
2015-07-19 00:15:272015-07-19 04:15:26
155.221.83.in-addr.arpa. NSauthns1.ngdc.net.
2015-07-19 00:15:272015-07-19 04:15:26

WHOIS info for: 155.221.83.in-addr.arpa

No whois server is known for this kind of object.