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142.21.0.0/16
RIR
arin
Country
CA
Status
allocated
Allocation date
1991-03-18
Ownership history
Org
Handle
First seen
Last seen
Chedoke-McMaster Hospitals
NET-142-21-0-0-1
2026-07-16 22:32:32.780000
2026-09-02 23:02:29.567000