IPv4 CIDR & Subnet Calculator

Security & Network

Calculate network address, broadcast address, netmask, wildcard mask, and usable host ranges from CIDR notation.

IPv4 Address & CIDR Prefix

Presets:

IP Address

Prefix Length (/)

Network Address

Subnet Netmask

Broadcast Address

Total Usable Hosts

First Usable IP

Last Usable IP

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