子网划分

/25?--2Subnets--126Hosts/Subnet网络地址可用IP范围广播地址.0.1-.126.127.128.12
9-.254.255/24?--1Subnets--254Hosts/Subnet代表一整个C段网络地址可用IP范围广播地
址.0.1-.254.255/30?--64Subnets--2Hosts/Subnet网络地址可用IP范围广播地址.0
.1-.2.3.4.5-.6.7.8.9-.10.11.12.13-.14.15.16.17-.18.19.20.21-.22.2
3.24.25-.26.27.28.29-.30.31.32.33-.34.35.36.37-.38.39.40.41-.42.4
3.44.45-.46.47.48.49-.50.51.52.53-.54.55.56.57-.58.59.60.61-.62.6
3.64.65-.66.67.68.69-.70.71.72.73-.74.75.76.77-.78.79.80.81-.82.8
3.84.85-.86.87.88.89-.90.91.92.93-.94.95.96.97-.98.99.100.101-.10
2.103.104.105-.106.107.108.109-.110.111.112.113-.114.115.116.117-
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33-.134.135.136.137-.138.139.140.141-.142.143.144.145-.146.147.14
8.149-.150.151.152.153-.154.155.156.157-.158.159.160.161-.162.163
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179.180.181-.182.183.184.185-.186.187.188.189-.190.191.192.193-.1
94.195.196.197-.198.199.200.201-.202.203.204.205-.206.207.208.209
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225-.226.227.228.229-.230.231.232.233-.234.235.236.237-.238.239.2
40.241-.242.243.244.245-.246.247.248.249-.250.251.252.253-.254.25
5/26?--4Subnets--62Hosts/Subnet网络地址可用IP范围广播地址.0.1-.62.63.64.
65-.126.127.128.129-.190.191.192.193-.254.255/27?--8Subnets--
30Hosts/Subnet网络地址可用IP范围广播地址.0.1-.30.31.32.33-.62.63.64.65-.94.9
5.96.97-.126.127.128.129-.158.159.160.161-.190.191.192.193-.222.2
23.224.225-.254.255/28?--16Subnets--14Hosts/Subnet网络地址可用IP范围
广播地址.0.1-.14.15.16.17-.30.31.32.33-.46.47.48.49-.62.63.64.65-.78.
79.80.81-.94.95.96.97-.110.111.112.113-.126.127.128.129-.142.143.
144.145-.158.159.160.161-.174.175.176.177-.190.191.192.193-.206.2
07.208.209-.222.223.224.225-.238.239.240.241-.254.255/29?--32Su
bnets--6Hosts/Subnet网络地址可用IP范围广播地址.0.1-.6.7.8.9-.14.15.16.17-.
22.23.24.25-.30.31.32.33-.38.39.40.41-.46.47.48.49-.54.55.56.57-.
62.63.64.65-.70.71.72.73-.78.79.80.81-.86.87.88.89-.94.95.96.97-.
102.103.104.105-.110.111.112.113-.118.119.120.121-.126.127.128.12
9-.134.135.136.137-.142.143.144.145-.150.151.152.153-.158.159.160
.161-.166.167.168.169-.174.175.176.177-.182.183.184.185-.190.191.
192.193-.198.199.200.201-.206.207.208.209-.214.215.216.217-.222.223.224.225-.230.231.232.233-.238.239.240.241-.246.247.248.249-.254.255