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66.4.34.0/23 is not visible in the global routing table.

Less Specific Announcements
OriginOrigin RegistrantPrefixPrefix Registrant
AS19957 AT&T Enterprises, LLC 66.4.0.0/16 American Registry for Internet Numbers
Matching Delegations
RegistryStatusPrefixCC
arin allocated 66.4.0.0/15 US United States