首页 [精彩]子网掩码-掩码位-反掩码比拟表

[精彩]子网掩码-掩码位-反掩码比拟表

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[精彩]子网掩码-掩码位-反掩码比拟表[精彩]子网掩码-掩码位-反掩码比拟表 子网掩码-掩码位-反掩码对比表 子网掩码 CIDR 主机数 可用主机数 C类网段数量 Subnet Mask CIDR Prefix Total IP's Usable IP's Number of Class C networks 255.255.255.255 /32 1 1 1/256th 255.255.255.254 /31 2 0 1/128th 255.255.255.252 /30 4 2 1/64th 255.255.255.248 /29 8 6 1...

[精彩]子网掩码-掩码位-反掩码比拟表
[精彩]子网掩码-掩码位-反掩码比拟表 子网掩码-掩码位-反掩码对比表 子网掩码 CIDR 主机数 可用主机数 C类网段数量 Subnet Mask CIDR Prefix Total IP's Usable IP's Number of Class C networks 255.255.255.255 /32 1 1 1/256th 255.255.255.254 /31 2 0 1/128th 255.255.255.252 /30 4 2 1/64th 255.255.255.248 /29 8 6 1/32nd 255.255.255.240 /28 16 14 1/16th 255.255.255.224 /27 32 30 1/8th 255.255.255.192 /26 64 62 1/4th 255.255.255.128 /25 128 126 1 half 255.255.255.0 /24 256 254 1 255.255.254.0 /23 512 510 2 255.255.252.0 /22 1024 1022 4 255.255.248.0 /21 2048 2046 8 255.255.240.0 /20 4096 4094 16 Subnet Mask CIDR Prefix Total IP's Usable IP's Number of Class C networks 255.255.224.0 /19 8192 8190 32 255.255.192.0 /18 16,384 16,382 64 255.255.128.0 /17 32,768 32,766 128 255.255.0.0 /16 65,536 65,534 256 255.254.0.0 /15 131,072 131,070 512 255.252.0.0 /14 262,144 262,142 1024 255.248.0.0 /13 524,288 524,286 2048 255.240.0.0 /12 1,048,576 1,048,574 4096 255.224.0.0 /11 2,097,152 2,097,150 8192 255.192.0.0 /10 4,194,304 4,194,302 16,384 255.128.0.0 /9 8,388,608 8,388,606 32,768 255.0.0.0 /8 16,777,216 16,777,214 65,536 254.0.0.0 /7 33,554,432 33,554,430 131,072 252.0.0.0 /6 67,108,864 67,108,862 262,144 248.0.0.0 /5 134,217,728 134,217,726 1,048,576 Subnet Mask CIDR Prefix Total IP's Usable IP's Number of Class C networks 240.0.0.0 /4 268,435,456 268,435,454 2,097,152 224.0.0.0 /3 536,870,912 536,870,910 4,194,304 192.0.0.0 /2 1,073,741,824 1,073,741,822 8,388,608 128.0.0.0 /1 2,147,483,648 2,147,483,646 16,777,216 0.0.0.0 /0 4,294,967,296 4,294,967,294 33,554,432 子网掩码-掩码位-反掩码 对照表 反掩码: 掩码位: 正掩码: 127.255.255.255 = 1 = 128.0.0.0 63.255.255.255 = 2 = 192.0.0.0 31.255.255.255 = 3 = 224.0.0.0 15.255.255.255 = 4 = 240.0.0.0 7.255.255.255 = 5 = 248.0.0.0 3.255.255.255 = 6 = 252.0.0.0 1.255.255.255 = 7 = 254.0.0.0 0.255.255.255 = 8 = 255.0.0.0 0.127.255.255 = 9 = 255.128.0.0 0.63.255.255 = 10 = 255.192.0.0 0.31.255.255 = 11 = 255.224.0.0 0.15.255.255 = 12 = 255.240.0.0 0.7.255.255 = 13 = 255.248.0.0 0.3.255.255 = 14 = 255.252.0.0 0.1.255.255 = 15 = 255.254.0.0 0.0.255.255 = 16 = 255.255.0.0 0.0.127.255 = 17 = 255.255.128.0 0.0.63.255 = 18 = 255.255.192.0 0.0.31.255 = 19 = 255.255.224.0 0.0.15.255 = 20 = 255.255.240.0 0.0.7.255 = 21 = 255.255.248.0 0.0.3.255 = 22 = 255.255.252.0 0.0.1.255 = 23 = 255.255.254.0 0.0.0.255 = 24 = 255.255.255.0 0.0.0.127 = 25 = 255.255.255.128 0.0.0.63 = 26 = 255.255.255.192 0.0.0.31 = 27 = 255.255.255.224 0.0.0.15 = 28 = 255.255.255.240 0.0.0.7 = 29 = 255.255.255.248 0.0.0.3 = 30 = 255.255.255.252 0.0.0.1 = 31 = 255.255.255.254 0.0.0.0 = 32 = 255.255.255.255
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