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128.4.0.0/16
RIR
arin
Country
US
Status
allocated
Allocation date
1991-01-10
Ownership history
Org
Handle
First seen
Last seen
University of Delaware
NET-128-4-0-0-1
2026-07-16 16:07:14.741000
2026-09-02 16:33:26.520000