IPv4 Subnet Calculator

Last updated: 26-01-2026

Quickly calculate essential IPv4 network details, including the network address, broadcast address, and usable host IPs. Simply enter an IP address and choose a subnet mask to get accurate results instantly.

All-in-One Subnet Calculator – Use this to perform IPv4 subnetting, CIDR, FLSM, VLSM, and supernetting on a single interface.
IPv4 Subnet Calculator – Advanced IPv4 subnet calculator.

IP Address:

Subnet Mask:

Network Information

Basic Information

IP Address:

Network Address:

Broadcast Address:

Subnet Mask:

CIDR Notation:

IP Class:

Host Information

First Usable IP:

Last Usable IP:

Total IPs:

Usable Hosts:

Wildcard Mask:

Binary Representation

IP Address:

Subnet Mask:

Network Address:

Subnet Details

Subnet Bits:

Host Bits:

Possible Subnets:

Hosts per Subnet: