IP Calculator

Calculate subnet mask, network address, broadcast address, and usable host count from CIDR notation. IPv4/IPv6 compatible IP calculator for efficient network design and planning

Subnet presets

/8Class A/16Class B/24Class C/25Half C/26Quarter C/271/8 C/281/16 C/291/32 C/30Point-to-point/32Host only

Network Information

Network Address

192.168.1.0

Broadcast Address

192.168.1.255

First Usable Host

192.168.1.1

Last Usable Host

192.168.1.254

Total Usable Hosts

254

CIDR

/24

Mask Information

Subnet Mask

255.255.255.0

Wildcard Mask

0.0.0.255

Classification

IP Class

Class C

Type

Private

Binary Representation

IP Address

11000000.10101000.00000001.00000000

Subnet Mask

11111111.11111111.11111111.00000000