CIDR/IP変換表 & ツール - うぇぶでゔツール

CIDR IP address 2進数表記
/1 128.0.0.0 10000000,00000000,00000000,00000000
/2 192.0.0.0 11000000,00000000,00000000,00000000
/3 224.0.0.0 11100000,00000000,00000000,00000000
/4 240.0.0.0 11110000,00000000,00000000,00000000
/5 248.0.0.0 11111000,00000000,00000000,00000000
/6 252.0.0.0 11111100,00000000,00000000,00000000
/7 254.0.0.0 11111110,00000000,00000000,00000000
/8 255.0.0.0 11111111,00000000,00000000,00000000
/9 255.128.0.0 11111111,10000000,00000000,00000000
/10 255.192.0.0 11111111,11000000,00000000,00000000
/11 255.224.0.0 11111111,11100000,00000000,00000000
/12 255.240.0.0 11111111,11110000,00000000,00000000
/13 255.248.0.0 11111111,11111000,00000000,00000000
/14 255.252.0.0 11111111,11111100,00000000,00000000
/15 255.254.0.0 11111111,11111110,00000000,00000000
/16 255.255.0.0 11111111,11111111,00000000,00000000
/17 255.255.128.0 11111111,11111111,10000000,00000000
/18 255.255.192.0 11111111,11111111,11000000,00000000
/19 255.255.224.0 11111111,11111111,11100000,00000000
/20 255.255.240.0 11111111,11111111,11110000,00000000
/21 255.255.248.0 11111111,11111111,11111000,00000000
/22 255.255.252.0 11111111,11111111,11111100,00000000
/23 255.255.254.0 11111111,11111111,11111110,00000000
/24 255.255.255.0 11111111,11111111,11111111,00000000
/25 255.255.255.128 11111111,11111111,11111111,10000000
/26 255.255.255.192 11111111,11111111,11111111,11000000
/27 255.255.255.224 11111111,11111111,11111111,11100000
/28 255.255.255.240 11111111,11111111,11111111,11110000
/29 255.255.255.248 11111111,11111111,11111111,11111000
/30 255.255.255.252 11111111,11111111,11111111,11111100
/31 255.255.255.254 11111111,11111111,11111111,11111110
/32 255.255.255.255 11111111,11111111,11111111,11111111