• Network Info
  • Whois
  • RDAP
  • DNS
  • IRR
  • Propagation
  • Visibility
  • Routes
  • Traceroute
Announced By
OriginOrigin RegistrantPrefixPrefix Registrant
AS4538 China Education and Research Network Center
IRR Parent Valid
223.2.120.0/21
China Education and Research Network

Less Specific Announcements
OriginOrigin RegistrantPrefixPrefix Registrant
AS4538 China Education and Research Network Center
IRR Valid
223.2.0.0/15
China Education and Research Network