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Announced By
OriginOrigin RegistrantPrefixPrefix Registrant
AS4837 China Unicom Backbone
IRR Valid
221.192.166.0/23
China Unicom Hebei Province Network

Less Specific Announcements
OriginOrigin RegistrantPrefixPrefix Registrant
AS4837 China Unicom Backbone
IRR Valid
221.192.0.0/15
China Unicom Hebei Province Network
Matching Delegations
RegistryStatusPrefixCC
apnic allocated 221.192.0.0/15 CN China