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Announced By
OriginOrigin RegistrantPrefixPrefix Registrant
AS4538 China Education and Research Network Center
IRR Parent Valid
211.81.40.0/22
China Education and Research Network

Less Specific Announcements
OriginOrigin RegistrantPrefixPrefix Registrant
AS4538 China Education and Research Network Center
IRR Valid
211.81.0.0/17
China Education and Research Network
AS4538 China Education and Research Network Center
IRR Valid
211.80.0.0/13
Asia Pacific Network Information Centre