IPv4 Subnetting & Prefixes

作者: 分类: 默认分类 时间: 2017-05-12 评论: 暂无评论

IP addresses Bits Prefix Subnet Mask
1 0 /32 255.255.255.255
2 1 /31 255.255.255.254
4 2 /30 255.255.255.252
8 3 /29 255.255.255.248
16 4 /28 255.255.255,240
32 5/ /27 255.255.255.224
64 6 /26 255.255.255.192
128 7 /25 255.255.255.128
256 8 /24 255.255.255.0
512 9 /23 255.255.254.0