Enter host name or IP address: 1 result(s) for 12.21.239.54.in-addr.arpa
namequery typeresultfirst seenlast seen
12.21.239.54.in-addr.arpa. PTRcodepipeline.us-east-1.amazonaws.com.
2022-09-17 22:37:252022-09-17 22:37:25

WHOIS info for: 12.21.239.54.in-addr.arpa 

No whois server is known for this kind of object.