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146.137.0.0/16
RIR
arin
Country
US
Status
allocated
Allocation date
1991-02-11
Ownership history
Org
Handle
First seen
Last seen
Argonne National Laboratory
NET-146-137-0-0-1
2026-07-17 00:56:18.065000
2026-09-03 01:22:47.758000