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Announced By
OriginOrigin RegistrantPrefixPrefix Registrant
AS5972 DoD Network Information Center 138.138.224.0/20 DoD Network Information Center

Less Specific Announcements
OriginOrigin RegistrantPrefixPrefix Registrant
AS721 DoD Network Information Center 138.136.0.0/13 Various Registries (Maintained by ARIN)