CCDA question for the Forum

[jayrock]

Which three IP addresses are private? (Choose three.)

172.168.33.1
10.35.66.70
192.168.99.5
172.18.88.90
192.33.55.89
172.35.16.5

[rip]

Thats an easy question,
There are three blocks of private addresses:

Class A 10.0.0.0 - 10.255.255.255
Class B 172.16.0.0 - 172.31.255.255
Class C 192.168.0.0 - 192.168.255.255

I need to spruce up on my IP subnet calculation.

[philipabraham]

Thanks for sharing the information.