Skip to content
C

IP Subnet Calculator

IPv4 subnet math and ranges.

IPv4 subnet

Range

Network
192.168.1.0
Broadcast
192.168.1.255
Netmask
255.255.255.0
Wildcard
0.0.0.255
First host
192.168.1.1
Last host
192.168.1.254
Usable hosts
254
IP Subnet Calculator · Generated 4/27/2026 · calcly.app/calculators/other/subnet

Related other calculators

Age Calculator
Age in years, months and days.
Date Calculator
Add or subtract days from a date.
Time Calculator
Add and subtract times.
Hours Calculator
Hours between two times.
GPA Calculator
Grade point average across courses.
Grade Calculator
Final grade from weighted components.

About the IP Subnet Calculator

MethodologyHome

IPv4 subnet math and ranges. Use this free ip subnet calculator to get instant results. All calculations run in your browser — nothing is sent to a server.

Frequently asked questions

What does this IP Subnet Calculator do?

IPv4 subnet math and ranges.

Is it free?

Yes — every calculator on Calcly is free, with no sign-up or account required.

Does it work offline?

The site is a Progressive Web App — after your first visit, most pages work without an internet connection.