1, 202.100.56.100/26 这个ip地址属于哪个网段
202.100.56.65~202.100.56.126
2, 100.100.20.80 / 10 这个ip地址属于哪个网段
100.65.0.0到100.126.0.0
3, 130.100.100.0/19 进行子网划分,
11111111.11111111.11100000.00000000
255.255.224.0
130.100.0.0
130.100.32.0
130.100.64.0
130.100.96.0
130.100.128.0
130.100.160.0
130.100.192.0
130.100.224.0
4,130.100.100.0/18 进行子网划分,
11111111.11111111.11000000.00000000
255..255.192.0
130.100.0.0
130.100.64.0
130.100.128.0
130.100.192.0
5,130.100.100.0 想要产生10个子网,掩码??
8<10<16 16是2的4次方,因为130.100.100.0是B类地址,所以130.100.100.0/20 子网掩码为255.255.240.0
6, 222.98.78.0 /29 进行子网划分
11111111.11111111.11111111.11111000
255.255.255.248
222.98.78.240-222.98.78.0
7,189.100.32.0 /17 进行子网划分
11111111.11111111.10000000.00000000
255.255.128.0
189.100.32.0
189.100.32.128
8,180.100.32.0 /19 进行子网划分,可以产生哪些子网,每个子网的第一个,最后一个IP地址是多少,广播地址时多少?
8个可用网络
180.100.0.0—180.100.1.0,180.100.30.0,180.100.31.0:
180.100.32.0—180.100.33.0,180.100.62.0,180.100.63.0:
180.100.64.0—180.100.65.0,180.100.94.0,180.100.95.0:
180.100.96.0—180.100.97.0,180.100.126.0,180.100.127.0:
180.100.128.0—180.100.129.0,180.100.158.0,180.100.159.0:
180.100.160.0—180.100.161.0,180.100.190.0,180.100.191.0:
180.100.192.0—180.100.193.0,180.100.222.0,180.100.223.0
180.100.224.0
- 56.20.34.0/10 进行子网划分,可以产生哪些子网,每个子网的第一个,最后一个IP地址是多少,广播地址时多少?
4个可用网络
56.0.0.0—56.1.0.0,56.62.0.0,56.63.0.0:
56.64.0.0—56.65.0.0,56.126.0.0,56.127.0.0
56.128.0.0—56.129.0.0,56.190.0.0,56.191.0.0
56.192.0.0
- 37.56.23.0/12 进行子网划分,可以产生哪些子网,每个子网的第一个,最后一个IP地址是多少,广播地址时多少?
** 16个可用网络
37.0.0.0 37.16.0.0到37.240.0.0之间
37.1.0.0,37.14.0.0,37.15.0.0:
37.17.0.0,37.30.0.0,37.31.0.0
37.33.0.0,37.46.0.0,37.47.0.0
37.49.0.0,37.62.0.0,37.63.0.0
37.65.0.0,37.78.0.0,37.79.0.0
37.81.0.0,37.94.0.0,37.95.0.0
37.97.0.0,37.110.0.0,37.111.0.0
37.113.0.0,37.126.0.0,37.127.0.0
37.129.0.0,37.142.0.0,37.143.0.0
37.145.0.0,37.158.0.0,37.159.0.0
37.161.0.0,37.174.0.0,37.175.0.0
37.177.0.0,37.190.0.0,37.191.0.0
37.193.0.0,37.206.0.0,37.207.0.0
37.209.0.0,37.222.0.0,37.223.0.0
37.225.0.0,37.238.0.0,37.239.0.0
37.241.0.0,37.254.0.0,37.255.0.0
**
子网划分
原文:https://blog.51cto.com/15070917/2576817