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Announced By
Origin ASAnnouncementDescription
AS4538
IRR Parent Valid
219.243.136.0/24
China Education and Research Network

Less Specific Announcements
Origin ASAnnouncementDescription
AS4538
IRR Parent Valid
219.243.136.0/21
China Education and Research Network
AS4538
IRR Valid
219.242.0.0/15
China Education and Research Network