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203.163.0.0/18
RIR
apnic
Country
JP
Status
allocated
Allocation date
1998-07-30
Ownership history
Org
Handle
First seen
Last seen
AT&T Japan K.K.
203.163.0.0 - 203.163.63.255
2026-07-21 05:33:46.916000
2026-08-28 20:50:46.956000