172.18.0.0/18
地址碎片
1022 = 2^10 = 1024
550 = 2^10 = 1024
126 = 2^7 = 128
116 = 2^7 = 128
---
业务1：
**172.18.0.0/22**
**172.18.3.254**
172.18.3.255
业务2：
**172.18.4.0/22**
**172.18.7.254**
172.18.7.255
业务3：
**172.18.8.0/25**
**172.18.8.126**
172.18.8.127
业务4:
**172.18.8.128/25**
**172.18.8.254**
172.18.8.255
172.18.32.0/19
业务2 600
业务3 126
业务1 110
业务4 14
业务2 600 2^10 1024
172.18.32.0/22
172.18.34.254
172.18.34.255
业务3 126 2^7 128
172.18.35.0/25
172.18.35.126
172.18.35.127
业务1 110 2^7 128
172.18.35.128/25
172.18.35.254
172.18.35.255
业务4 14 2^4 16
172.18.36.0/28
172.18.36.126
172.18.36.127
