IPv4 Subnet Practice Tool
Practice your IPv4 subnetting skills with this interactive tool. Calculate network address, first host, last host, broadcast address, and next subnet for randomly generated IP addresses.
Practice Subnetting IPv4
Solve the five attributes for the given Target IP and CIDR. Enter your answers in the input fields and check your work.
Target IP address:
| Attribute | IP address | Check/Show | Correct? |
|---|---|---|---|
| Network | |||
| First Host | |||
| Last Host | |||
| Broadcast | |||
| Next Subnet | |||
Instructions:
- Enter your answers for each attribute in the corresponding input field.
- Click "Check" to verify a single answer or "Check All" to verify all answers at once.
- Click "Show" to reveal the correct answer for a specific attribute or "Show All" to reveal all answers.
- Click "New Problem" to generate a new IP address and CIDR to practice with.