12.12.12.12   !rdap !whois !bl !ptr24 !scan !tr !dnstr !g !gsec
12/8 IANA DesignationAT&T Bell Laboratories
June 1995

LEGACY
Allocated by the central Internet Registry (IR) prior to the Regional Internet Registries (RIRs). This address space is now administered by individual RIRs, including maintenance. Assignments from these blocks are distributed globally on a regional basis.
Regional Internet RegistryARIN - North America
CounrtyUnited States
RegionAlaska
CityAnchorage
(Latitude, Longtitude)(61.2231, -149.8528) !omap
Autonomous System Number7018 !asn !whois !rdap !prefixes !peers !siblings
AS NameATT-INTERNET4
AS Organization Regional Registry HandleATTW-Z
AS Regional RegistryARIN
AS Organization NameAT&T Services, Inc.
AS Organization CountryUS, United States !omap
AS DescriptionATT-INTERNET4
AT&T Services, Inc.
Announced Prefix 12.0.0.0/9   !cidr !bgp
Reverse IP DNS Recorddoh.att.net.
Reverse IP DNS Record
Domain Name
att.net   !dns !rdap !whois !dnstrace !bl !bl-slow !g !gsec
att.net A 144.160.36.42   !ip !rdap !whois !bl !ptr24 !scan !tr !dnstr !g !gsec
att.net A 144.160.155.43   !ip !rdap !whois !bl !ptr24 !scan !tr !dnstr !g !gsec
  
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