Enter host name or IP address: 2 result(s) for 137.221.83.in-addr.arpa
namequery typeresultfirst seenlast seen
137.221.83.in-addr.arpa. NSauthns2.ngdc.net.
2014-08-30 06:01:552023-03-23 09:13:48
137.221.83.in-addr.arpa. NSauthns1.ngdc.net.
2014-08-30 06:01:552023-03-23 09:13:48

WHOIS info for: 137.221.83.in-addr.arpa

No whois server is known for this kind of object.