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Announced By
Origin ASAnnouncementDescription
AS45139
IRR Valid
ROA Signed and Valid
167.220.226.0/23
Microsoft Singapore Pte. Ltd.

Less Specific Announcements
Origin ASAnnouncementDescription
AS3598
IRR Valid
167.220.224.0/19
AS3598
IRR Valid
167.220.0.0/16
Various Registries (Maintained by ARIN)