IP Subnet Calculator

Calculate subnet information, network ranges, and CIDR notation.

Enter IP Address

IP Address

Enter an IPv4 address (e.g., 192.168.1.100)

CIDR Prefix Length/24

/0/8/16/24/32

CIDR Notation:

192.168.1.100/24

Binary Representation

IP Address:

11000000.10101000.00000001.01100100

Subnet Mask:

11111111.11111111.11111111.00000000

Common Subnet Masks

Network Information

Network Address192.168.1.0

Broadcast Address192.168.1.255

Subnet Mask255.255.255.0

CIDR Notation/24

Host Range

First Usable Host192.168.1.1

Last Usable Host192.168.1.254

Total Hosts256

Usable Hosts254

Additional Info

IP ClassC

Private IPYes

Wildcard Mask0.0.0.255