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51.56.0.0/14
RIR
ripencc
Country
GB
Status
assigned
Allocation date
1993-09-01
Ownership history
Org
Handle
First seen
Last seen
MICROSOFT-MAINT
51.54.0.0 - 51.59.255.255
2026-07-13 22:44:23.586000
2026-08-30 19:05:40.217000