|
|
Addresses
|
Hosts
|
Netmask
|
Amount of a Class C
|
|
/30
|
4
|
2
|
255.255.255.252
|
1/64
|
|
/29
|
8
|
6
|
255.255.255.248
|
1/32
|
|
/28
|
16
|
14
|
255.255.255.240
|
1/16
|
|
/27
|
32
|
30
|
255.255.255.224
|
1/8
|
|
/26
|
64
|
62
|
255.255.255.192
|
1/4
|
|
/25
|
128
|
126
|
255.255.255.128
|
1/2
|
|
/24
|
256
|
254
|
255.255.255.0
|
1
|
|
/23
|
512
|
510
|
255.255.254.0
|
2
|
|
/22
|
1024
|
1022
|
255.255.252.0
|
4
|
|
/21
|
2048
|
2046
|
255.255.248.0
|
8
|
|
/20
|
4096
|
4094
|
255.255.240.0
|
16
|
|
/19
|
8192
|
8190
|
255.255.224.0
|
32
|
|
/18
|
16384
|
16382
|
255.255.192.0
|
64
|
|
/17
|
32768
|
32766
|
255.255.128.0
|
128
|
|
/16
|
65536
|
65534
|
255.255.0.0
|
256
|
Thursday 29 November 2018
Subnet Mask Cheat Sheet
