falsehttps://whois.arin.net/rest/rdns/161.3.in-addr.arpa.https://whois.arin.net/rest/rdns/163.3.in-addr.arpa.https://whois.arin.net/rest/rdns/162.3.in-addr.arpa.https://whois.arin.net/rest/rdns/160.3.in-addr.arpa.