IP address classes Flashcards
Know the range of Public IP address classes
1
Q
Class A
Public
A
1 - 126
255.0.0.0
/8
2
Q
Class B
Public
A
128 - 191
255.255.0.0
/16
3
Q
Class C
Public
A
192 - 223
255.255.255
/24
4
Q
Class D
Public
A
224 - 239
n/a n/a
Reserved for multicast groups.
5
Q
Class E
Public
A
240 - 254
Reserved for future use, or Research and Development Purposes.
6
Q
Class A
Private
A
10.0.0.0 - 10.255.255.255
7
Q
Class B
Private
A
172.16.0.0 - 172.31.255.255
8
Q
Class C
Private
A
192.168.0.0 - 192.168.255.255
9
Q
Loopback IP
A
127.0.0.1 - 127.255.255.255
- Most commonly used as 127.0.0.1
- Refers to the device itself and used for testing
10
Q
APIPA
A
169.254.0.0 - 169.254.255.255
