54.73.3.5

Reverse address entry: 5.3.73.54.in-addr.arpa

54.73.3.5 has no DNS entries .

Explore by label: 5 . 3 . 73 . 54 . in-addr . arpa

RIPE4 5.3.73.54.in-addr.arpa
PTRec2-54-73-3-5.eu-west-1.compute.amazonaws.com expired since 21 hours, 6 minutes
Show 1 expired records

This top-level domain has no publically available whois server. Try going to www.nic.arpa.