237.18.in-addr.arpa.NS2-16-US-WEST-2.EC2-RDNS.AMAZONAWS.COMNS4-16-US-WEST-2.EC2-RDNS.AMAZONAWS.COMNS1-16-US-WEST-2.EC2-RDNS.AMAZONAWS.COMNS3-16-US-WEST-2.EC2-RDNS.AMAZONAWS.COMhttps://rdap.arin.net/registry/domain/237.18.in-addr.arpa.https://whois.arin.net/rest/rdns/237.18.in-addr.arpa.2021-07-29T13:36:06-04:00