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Announced By
Origin ASAnnouncementDescription
AS4538
IRR Valid
121.248.112.0/21
China Education and Research Network
AS24361
IRR Invalid
121.248.112.0/21
China Education and Research Network

Less Specific Announcements
Origin ASAnnouncementDescription
AS4538
IRR Valid
121.248.0.0/14
China Education and Research Network