Enter host name or IP address: 1 result(s) for 21.2.231.222.in-addr.arpa
namequery typeresultfirst seenlast seen
21.2.231.222.in-addr.arpa. PTRb21.nskorea.com.
2016-05-28 18:04:272016-06-14 18:29:28

WHOIS info for: 21.2.231.222.in-addr.arpa

No whois server is known for this kind of object.