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1.21.144.0/20
RIR
apnic
Country
JP
Status
allocated
Allocation date
2010-06-16
Ownership history
Org
Handle
First seen
Last seen
Japan Network Information Center
1.21.144.0 - 1.21.223.255
2026-07-12 21:30:11.508000
2026-08-29 20:46:48.921000