为什么10.0.64.0/24与10.0.66.0/18重叠？

Question

为什么10.0.64.0/24与10.0.66.0/18重叠？我认为10.0.64.0/24将达到10.0.64.255.

Answer 1

所述10.0.66.0/18网络范围为10.0.64.0- 10.0.127.255,其中包括整个10.0.64.0/24网络:

> ipcalc 10.0.66.0/18
Address:   10.0.66.0            00001010.00000000.01 000010.00000000
Netmask:   255.255.192.0 = 18   11111111.11111111.11 000000.00000000
Wildcard:  0.0.63.255           00000000.00000000.00 111111.11111111
=>
Network:   10.0.64.0/18         00001010.00000000.01 000000.00000000
HostMin:   10.0.64.1            00001010.00000000.01 000000.00000001
HostMax:   10.0.127.254         00001010.00000000.01 111111.11111110
Broadcast: 10.0.127.255         00001010.00000000.01 111111.11111111
Hosts/Net: 16382                 Class A, Private Internet