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138.4.0.0/16
RIR
ripencc
Country
ES
Status
assigned
Allocation date
1990-01-20
Ownership history
Org
Handle
First seen
Last seen
Universidad Politecnica de Madrid
138.4.0.0 - 138.4.255.255
2026-07-16 19:56:52.740000
2026-09-02 20:24:44.023000