• Network Info
  • Whois
  • RDAP
  • DNS
  • IRR
  • Propagation
  • Visibility
  • Routes
  • Traceroute
Announced By
OriginOrigin RegistrantPrefixPrefix Registrant
AS138421 China Unicom
IRR Valid
210.51.36.0/24
Shanghai Caohejing IDC of China Netcom

Less Specific Announcements
OriginOrigin RegistrantPrefixPrefix Registrant
AS138421 China Unicom
IRR Valid
210.51.36.0/22
Shanghai Caohejing IDC of China Netcom
AS9929 CHINA UNICOM Industrial Internet Backbone
IRR Valid
210.51.0.0/16
China Unicom IP network
Less Specific Delegations
RegistryStatusPrefixCC
apnic allocated 210.51.0.0/16 CN China