IP Subnet Calculator

Enter an IPv4 address and prefix length to quickly calculate the network address, broadcast address, and usable host range.

IPv4 address

🌐

Prefix length (CIDR)

📡 Network address
192.168.1.0
Network address

📢 Broadcast address
192.168.1.255
Broadcast address

🎭 Subnet mask

255.255.255.0

Subnet mask

🔓 Wildcard mask

0.0.0.255

Wildcard mask

📍 Usable host range

192.168.1.1 - 192.168.1.254

Usable host range

📊 Total addresses

256

Total addresses

💻 Usable hosts

254

Usable hosts

Input:192.168.1.10/24