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CIDRチェッカー
CIDR表記からネットワーク情報を計算（サブネットマスク、ホスト数等）
JA
shadcn/ui
IPアドレス
プレフィックス長
/0 (4,294,967,296 IPs)
/1 (2,147,483,648 IPs)
/2 (1,073,741,824 IPs)
/3 (536,870,912 IPs)
/4 (268,435,456 IPs)
/5 (134,217,728 IPs)
/6 (67,108,864 IPs)
/7 (33,554,432 IPs)
/8 (16,777,216 IPs)
/9 (8,388,608 IPs)
/10 (4,194,304 IPs)
/11 (2,097,152 IPs)
/12 (1,048,576 IPs)
/13 (524,288 IPs)
/14 (262,144 IPs)
/15 (131,072 IPs)
/16 (65,536 IPs)
/17 (32,768 IPs)
/18 (16,384 IPs)
/19 (8,192 IPs)
/20 (4,096 IPs)
/21 (2,048 IPs)
/22 (1,024 IPs)
/23 (512 IPs)
/24 (256 IPs)
/25 (128 IPs)
/26 (64 IPs)
/27 (32 IPs)
/28 (16 IPs)
/29 (8 IPs)
/30 (4 IPs)
/31 (2 IPs)
/32 (1 IPs)