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Announced By
OriginOrigin RegistrantPrefixPrefix Registrant
AS2687 AT&T Corp.
IRR Valid
137.51.246.0/24
Northrop Grumman Corp.

Less Specific Announcements
OriginOrigin RegistrantPrefixPrefix Registrant
AS1906 Northrop Grumman 137.51.0.0/16 Northrop Grumman Corp.
Matching Delegations
RegistryStatusPrefixCC
arin allocated 137.51.0.0/16 US United States