IPv4 Subnet Calculator

Enter a CIDR and get the network, broadcast, range, and usable hosts.

CIDR

Type any IPv4 CIDR. We’ll compute the network, broadcast, mask, and usable host range.

Network

192.168.1.0

Broadcast

192.168.1.255

Subnet mask

255.255.255.0

Wildcard mask

0.0.0.255

First host

192.168.1.1

Last host

192.168.1.254

Usable hosts

254

Total addresses

256

CIDR

/24

Acerca de esta herramienta

Type a CIDR (e.g. 192.168.1.0/24) and get the network address, broadcast, first/last usable host, and the number of hosts. Top r/sysadmin and r/networking quick tool — the kind you reach for when you’re mid-incident.

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