2003-10-15T11:52:01-04:00https://rdap.arin.net/registry/ip/12.72.0.0https://whois.arin.net/rest/net/NET-12-72-0-0-1https://whois.arin.net/rest/customer/C0068696812.73.255.255NET-12-72-0-0-1ATTSVC-12-72-0-01512.73.255.255ReassignedS12.72.0.0falsehttps://whois.arin.net/rest/net/NET-12-0-0-0-1Contact AT&T Abuse ( abuse@att.net ) for policy abuse issues.12.72.0.02003-10-15T11:52:01-04:004