IP Address12.139.126.91WHOIS 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 IP12.139.0.0End IP12.139.255.255CIDR12.139.0.0/16Net NameATTWORLD26Net HandleNET-12-139-0-0-1StatusReallocatedOrganizationAT&T Services, Inc. (ATTW)Date Created2010-05-21Date Updated2010-05-21Sourcehttps://rdap.arin.net/registry/ip/12.139.0.0ParentsATT (NET-12-0-0-0-1)
Start IP12.139.126.0End IP12.139.126.127CIDR12.139.126.0/25Net NameATTSI-IN14-126-0Net HandleNET-12-139-126-0-1StatusReassignedOrganizationATTSI, INFO TECHNOLOGYN OPERA (AITO-720)Date Created2019-09-12Date Updated2019-09-12Sourcehttps://rdap.arin.net/registry/ip/12.139.126.0ParentsATTWORLD26 (NET-12-139-0-0-1)
Organization
HandleAITO-720NameATTSI, INFO TECHNOLOGYN OPERAAddress7125 COLUMBIA GATEWAY DR, COLUMBIA, MD, 21046, USCountryUSDate Created2019-09-12Date Updated2019-09-12Sourcehttps://rdap.arin.net/registry/entity/AITO-720
Technical Contacts
HandleZS44-ARINNameIPAdmin-ATT Internet ServicesEmailipadmin@semail.att.comPhone+1-888-510-5545Sourcehttps://rdap.arin.net/registry/entity/ZS44-ARIN
HandleICC-ARINNameIP TeamEmailrm-ipspecialist@att.comPhone+1-888-876-2382Sourcehttps://rdap.arin.net/registry/entity/ICC-ARIN
HandleROUTI59-ARINNameRouting POCEmailDL-routing_poc@att.comPhone+1-999-999-9999Sourcehttps://rdap.arin.net/registry/entity/ROUTI59-ARIN
HandleIPSWI-ARINNameIP SWIPEmailswipid@icorefep2.noc.att.comPhone+1-888-613-6330Sourcehttps://rdap.arin.net/registry/entity/IPSWI-ARIN
HandleMOLCZ2-ARINNameMolczyk, KevinEmailkm066f@att.comPhone+1-443-896-5210Sourcehttps://rdap.arin.net/registry/entity/MOLCZ2-ARIN
Abuse Contacts
HandleABUSE7-ARINNameabuseEmailabuse@att.netPhone+1-919-319-8167Sourcehttps://rdap.arin.net/registry/entity/ABUSE7-ARIN
HandleATTAB-ARINNameATT AbuseEmailabuse@att.netPhone+1-999-999-9999Sourcehttps://rdap.arin.net/registry/entity/ATTAB-ARIN
HandleMOLCZ2-ARINNameMolczyk, KevinEmailkm066f@att.comPhone+1-443-896-5210Sourcehttps://rdap.arin.net/registry/entity/MOLCZ2-ARIN
Routes
Sourcehttps://rdap.arin.net/registry/ip/12.0.0.0
Sourcehttps://rdap.arin.net/registry/ip/12.139.0.0
Sourcehttps://rdap.arin.net/registry/ip/12.139.126.0
