IP Network

Compute network, broadcast, netmask, usable hosts, and ranges from an IP/prefix or CIDR notation. IPv4 subnet calculator and CIDR to IP range converter.

Introduction

IP Network Tools is a free, browser-based utility in our Network Tools collection. Compute network, broadcast, netmask, usable hosts, and ranges from an IP/prefix or CIDR notation. IP Network Tools covers subnet math and CIDR expansion for IPv4 planning and troubleshooting. Everything runs locally in your browser — inputs stay on your device, with no account or upload required. Highlights include subnet calculator.

Features

Subnet calculator
CIDR range
JSON summary

How to use

1
Enter an IP with prefix or a CIDR.
2
Copy the calculated network details.

Example

LAN

Input

192.168.1.0/24

Output

256 addresses,.1–.254 usable

Benefits

Run IP Network entirely in the browser with no signup or installation.
Keep sensitive sample data private — processing never leaves your device.
Subnet calculator
CIDR range
JSON summary
Pair it with IP Lookup and My IP when your workflow needs adjacent utilities.

FAQs

This version focuses on IPv4.

Usable host rules follow common point-to-point conventions.

No.

Yes. IP Network on EverydayDevTools is free, with no account, watermarks, or usage caps for normal interactive use.

No. IP Network runs in your browser. Your input is processed locally and is not sent to EverydayDevTools servers.

Compute network, broadcast, netmask, usable hosts, and ranges from an IP/prefix or CIDR notation. It fits everyday network tools tasks when you want a fast local utility instead of installing a CLI or opening a heavy IDE feature.

Core capabilities include: Subnet calculator; CIDR range; JSON summary.

Developers often pair IP Network with IP Lookup, My IP, Base Converter. Open Related tools on this page for quick links.