thinQmaster Virtual testing partner Adaptive practice exams that find your weak spots and drill them. Every answer explained. From $69
Enroll

thinQmaster

Find your exam

Five questions free, before you decide.

Step 1 · choose a vendor

In one of our camps? Your practice exams come with the tuition — they are on your study page already.

Networking Fundamentals · Foundational

Class C Address

An IPv4 address with first octet 192-223 (leading bits 110) and a default mask of 255.255.255.0 (/24).

Definition

Class C networks have 24 network bits and 8 host bits, allowing 254 hosts each. The private range 192.168.0.0/16 consists of 256 Class C networks and is common in home and small office networks.

Example

192.168.1.100 is a private Class C address.

Exam tip

Default /24 = 254 usable hosts.

Related terms