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Announced By
OriginOrigin RegistrantPrefixPrefix Registrant
AS20057 AT&T Enterprises, LLC 155.163.192.0/20 AT&T Mobility LLC

Less Specific Announcements
OriginOrigin RegistrantPrefixPrefix Registrant
AS20057 AT&T Enterprises, LLC 155.163.0.0/16 Various Registries (Maintained by ARIN)
Matching Delegations
RegistryStatusPrefixCC
arin allocated 155.163.0.0/16 US United States