IP Address12.197.228.243WHOIS 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 IP12.197.228.0End IP12.197.228.255CIDR12.197.228.0/24Net NameATT-NET-12-197-228-0Net HandleNET-12-197-228-0-1StatusReassignedOrganizationNational Monitoring Center (API-52)Date Created2024-03-16Date Updated2024-03-16Sourcehttps://rdap.arin.net/registry/ip/12.197.228.0ParentsATT (NET-12-0-0-0-1)
Organization
HandleAPI-52NameNational Monitoring CenterAddress26800 Aliso Viejo Pkwy, Ste. 250, Aliso Viejo, CA, 92656, USCountryUSDate Created2007-02-09Date Updated2011-09-24Sourcehttps://rdap.arin.net/registry/entity/API-52
Technical Contacts
HandleICC-ARINNameIP TeamEmailrm-ipspecialist@att.comPhone+1-888-876-2382Sourcehttps://rdap.arin.net/registry/entity/ICC-ARIN
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
HandleSWS18-ARINNameSCHUBERT, SCOTT WILLIAMEmailfkolsy@nmccentral.comPhone+1-949-215-8000Sourcehttps://rdap.arin.net/registry/entity/SWS18-ARIN
Abuse Contacts
HandleABUSE7-ARINNameabuseEmailabuse@att.netPhone+1-919-319-8167Sourcehttps://rdap.arin.net/registry/entity/ABUSE7-ARIN
HandleSWS18-ARINNameSCHUBERT, SCOTT WILLIAMEmailfkolsy@nmccentral.comPhone+1-949-215-8000Sourcehttps://rdap.arin.net/registry/entity/SWS18-ARIN
Routes
Sourcehttps://rdap.arin.net/registry/ip/12.0.0.0
Sourcehttps://rdap.arin.net/registry/ip/12.197.228.0