IPv4 Subnet (CIDR) Calculator
Calculate netmask, broadcast, usable host ranges, and network classification
IPv4 Address (or IP/CIDR)
Subnet Mask / CIDR Prefix
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Network Address
192.168.1.0
Broadcast Address
192.168.1.255
Subnet Mask
255.255.255.0
Usable Host Range
192.168.1.1 — 192.168.1.254
Usable Hosts Count
254 hosts
Class & Scope
Class C • RFC 1918 Private
32-Bit Binary Representation
IP Address:
11000000.10101000.00000001.00110010
Subnet Mask:
11111111.11111111.11111111.00000000