CIDR Notation Flashcards
1
Q
/8
A
255.0.0.0
Class A default network mask
2
Q
/9
A
255.128.0.0
3
Q
/10
A
255.192.0.0
4
Q
/11
A
255.224.0.0
5
Q
/12
A
255.240.0.0
6
Q
/13
A
255.248.0.0
7
Q
/14
A
255.252.0.0
8
Q
/15
A
255.254.0.0
9
Q
/16
A
255.255.0.0
Class B default network mask
10
Q
/17
A
255.255.128.0
11
Q
/18
A
255.255.192.0
12
Q
/19
A
255.255.224.0
13
Q
/20
A
255.255.240.0
14
Q
/21
A
255.255.248.0
15
Q
/22
A
255.255.252.0
16
Q
/23
A
255.255.254.0
17
Q
/24
A
255.255.255.0
Class C default network mask
18
Q
/25
A
255.255.255.128
19
Q
/26
A
255.255.255.192
20
Q
/27
A
255.255.255.224
21
Q
/28
A
255.255.255.240
22
Q
/29
A
255.255.255.248
23
Q
/30
A
255.255.255.252
24
Q
/31
A
255.255.255.254
25
Q
/32
A
255.255.255.255
