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IPv4 Subnet Calculator

Network, broadcast, host range, and mask from an IPv4 CIDR — runs locally.

Input

IPv4 CIDR

Subnet details

CIDR: 192.168.1.0/24
Subnet mask: 255.255.255.0
Wildcard mask: 0.0.0.255
Network address: 192.168.1.0
Broadcast address: 192.168.1.255
First host: 192.168.1.1
Last host: 192.168.1.254
Total addresses: 256
Usable hosts: 254