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129.43.0.0/16
RIR
arin
Country
US
Status
allocated
Allocation date
1987-07-29
Ownership history
Org
Handle
First seen
Last seen
National Cancer Institute
NET-129-43-0-0-1
2026-07-16 16:35:59.766000
2026-08-24 06:49:07.779000