• Network Info
  • Whois
  • RDAP
  • DNS
  • Certs
  • IRR
  • Propagation
  • Visibility
  • Routes
  • Traceroute
Announced By
OriginOrigin RegistrantPrefixPrefix Registrant
AS2907 Research Organization of Information and Systems, National Institute of Informatics
IRR Valid
203.112.64.0/21
Chikushi Jogakuen University Network,
Matching Delegations
RegistryStatusPrefixCC
apnic allocated 203.112.64.0/21 JP Japan