IP Address12.51.221.173WHOIS Serverwhois.arin.net
Inet Nums
Start IP12.0.0.0End IP12.255.255.255CIDR12.0.0.0/8Net NameATTNet HandleNET-12-0-0-0-1StatusDirect AllocationOrganizationAT&T Enterprises, LLC (AEL-360)Date Created1983-08-23Date Updated2025-12-02Sourcehttps://rdap.arin.net/registry/ip/12.0.0.0ParentsNET12 (NET-12-0-0-0-0)
Start IP12.51.221.128End IP12.51.221.255CIDR12.51.221.128/25Net NameMARRIOTT232-221-128Net HandleNET-12-51-221-128-1StatusReassignedOrganizationMARRIOTT INTERNATIONAL (MARRI-12)Date Created2013-12-14Date Updated2013-12-14Sourcehttps://rdap.arin.net/registry/ip/12.51.221.128ParentsATT (NET-12-0-0-0-1)
Organization
HandleMARRI-12NameMARRIOTT INTERNATIONALAddress866 3 AV, MANHATTAN, NY, 10022, USCountryUSDate Created2005-01-05Date Updated2011-09-24Sourcehttps://rdap.arin.net/registry/entity/MARRI-12
Technical Contacts
HandleZS44-ARINNameIPAdmin-ATT Internet ServicesEmailipadmin@semail.att.comPhone+1-888-510-5545Sourcehttps://rdap.arin.net/registry/entity/ZS44-ARIN
HandleROUTI59-ARINNameRouting POCEmailDL-routing_poc@att.comPhone+1-999-999-9999Sourcehttps://rdap.arin.net/registry/entity/ROUTI59-ARIN
HandleICC-ARINNameIP TeamEmailrm-ipspecialist@att.comPhone+1-888-876-2382Sourcehttps://rdap.arin.net/registry/entity/ICC-ARIN
HandleNBL2-ARINNameBlock, NeilEmailneil.block@sodexhousa.comPhone+1-716-565-3087Sourcehttps://rdap.arin.net/registry/entity/NBL2-ARIN
Abuse Contacts
HandleABUSE7-ARINNameabuseEmailabuse@att.netPhone+1-919-319-8167Sourcehttps://rdap.arin.net/registry/entity/ABUSE7-ARIN
HandleNBL2-ARINNameBlock, NeilEmailneil.block@sodexhousa.comPhone+1-716-565-3087Sourcehttps://rdap.arin.net/registry/entity/NBL2-ARIN
Routes
Sourcehttps://rdap.arin.net/registry/ip/12.0.0.0
Sourcehttps://rdap.arin.net/registry/ip/12.51.221.128
