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163.51.0.0/16
RIR
apnic
Country
JP
Status
allocated
Allocation date
1992-07-24
Ownership history
Org
Handle
First seen
Last seen
IRT-JPNIC-JP
163.51.0.0 - 163.51.255.255
2026-07-17 10:42:12.036000
2026-08-25 01:50:53.265000