1991-09-16T00:00:00-04:00https://rdap.arin.net/registry/ip/51.0.0.0[https://whois.arin.net/rest/net/NET-51-0-0-0-1]51.255.255.255NET-51-0-0-0-1RIPE-ERX-51851.255.255.255Early Registrations, Maintained by RIPE NCCRV51.0.0.0falsehttps://whois.arin.net/rest/org/RIPEThese addresses have been further assigned to users in the RIPE NCC region. Contact information can be found in the RIPE database at http://www.ripe.net/whois51.0.0.02013-01-14T18:05:13-05:004