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221.121.54.0/23 is not visible in the global routing table.

Less Specific Announcements
OriginOrigin RegistrantPrefixPrefix Registrant
AS7602 Sai gon Postel Corporation
IRR Valid
ROA Signed and Valid
221.121.48.0/20
ADSL service
AS7602 Sai gon Postel Corporation
IRR Valid
ROA Signed and Valid
221.121.32.0/19
ADSL service
AS7602 Sai gon Postel Corporation
IRR Valid
ROA Signed and Valid
221.121.0.0/18
Sai gon Postel Corporation
Matching Delegations
RegistryStatusPrefixCC
apnic allocated 221.121.0.0/18 VN Viet Nam