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Announced By
Origin ASAnnouncementDescription
AS4538
IRR Parent Valid
121.192.48.0/23
China Education and Research Network

Less Specific Announcements
Origin ASAnnouncementDescription
AS4538
IRR Valid
121.192.0.0/16
China Education and Research Network
AS4538
IRR Valid
121.192.0.0/15
Asia Pacific Network Information Centre
AS4538
IRR Valid
121.192.0.0/14
Asia Pacific Network Information Centre