IP Subnet Calculator

Calculate subnet information including network address, broadcast address, host range, and number of usable hosts. Supports CIDR notation.

IP Address & Subnet

IP Address

CIDR Notation

Common:

Network Address

192.168.1.0/24

Broadcast Address

192.168.1.255

First Usable Host

192.168.1.1

Last Usable Host

192.168.1.254

Subnet Mask

255.255.255.0

Wildcard Mask

0.0.0.255

Usable Hosts

254

Total Addresses

256

IP Class

Class C

Address Type

Private

Binary Representation

IP:11000000.10101000.00000001.01100100

Mask:11111111.11111111.11111111.00000000

CIDR Quick Reference

16M hosts

/16

65K hosts

/24

254 hosts

/25

126 hosts

/26

62 hosts

/27

30 hosts

/28

14 hosts

/29

6 hosts

/30

2 hosts

Features

Subnet mask calculations
CIDR notation support
Host range calculation
IPv4 network and broadcast addresses

Enter your details

IP Address & Subnet

Binary Representation

CIDR Quick Reference

Features

IP Address & Subnet

Binary Representation

CIDR Quick Reference