Subnet Calculator

Calculate subnet details from CIDR notation — network address, broadcast, host range, masks

IP Address

CIDR Prefix

/24 — 254 hosts

/0/8/16/24/32

Address Information

PrivateClass C

Network Address192.168.1.0/24

Broadcast Address192.168.1.255

First Usable Host192.168.1.1

Last Usable Host192.168.1.254

Usable Hosts254

Total Addresses256

Masks

Subnet Mask255.255.255.0

Wildcard Mask0.0.0.255

CIDR Notation192.168.1.0/24

Subnet Mask in Binary

11111111.11111111.11111111.00000000

1 = network bits (24)0 = host bits (8)

192.168.1.0 — 192.168.1.255254 usable hosts