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185.183.28.0/22
RIR
ripencc
Country
US
Status
allocated
Allocation date
2016-12-20
Ownership history
Org
Handle
First seen
Last seen
Proofpoint, Inc.
185.183.28.0 - 185.183.31.255
2026-07-18 10:47:19.316000
2026-08-26 02:00:44.231000