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81.21.136.0/21
RIR
ripencc
Country
NL
Status
allocated
Allocation date
2011-01-18
Ownership history
Org
Handle
First seen
Last seen
Signet B.V.
81.21.136.0 - 81.21.143.255
2026-07-14 14:03:06.862000
2026-08-31 14:08:09.091000