false1991-01-21T00:00:00-05:00https://rdap.arin.net/registry/ip/146.57.0.0[https://whois.arin.net/rest/net/NET-146-57-0-0-1]https://whois.arin.net/rest/rdns/57.146.in-addr.arpa.146.57.255.255NET-146-57-0-0-1UMN-MRS-NET16146.57.255.255Direct AllocationDA146.57.0.0AS57AS217falsehttps://whois.arin.net/rest/org/UNIVER-233-Zhttps://whois.arin.net/rest/net/NET-146-0-0-0-0146.57.0.02021-12-14T20:28:42-05:004