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192.231.146.0/23
RIR
arin
Country
US
Status
allocated
Allocation date
1992-10-09
Ownership history
Org
Handle
First seen
Last seen
National Institutes of Health
NET-192-231-145-0-1
2026-07-19 09:26:54.720000
2026-08-27 00:55:12.907000