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Announced By
OriginOrigin RegistrantPrefixPrefix Registrant
AS4538 China Education and Research Network Center
IRR Parent Valid
203.91.122.0/23
Network Technology Experiment Validation and Demonstration Center

Less Specific Announcements
OriginOrigin RegistrantPrefixPrefix Registrant
AS4538 China Education and Research Network Center
IRR Parent Valid
203.91.120.0/22
Network Technology Experiment Validation and Demonstration Center
AS4538 China Education and Research Network Center
IRR Valid
203.91.120.0/21
Network Technology Experiment Validation and Demonstration Center
Matching Delegations
RegistryStatusPrefixCC
apnic allocated 203.91.120.0/21 CN China