IPv4 subnet calculator

Effortless IPv4 planning: find subnets, CIDR ranges, and usable IPs in real time for sysadmins and developers.

Calculate subnet

What's my IP

Quickly view your public IP address, location, and connection details for fast setup and diagnostics.

Check IP

DNS checker

Test your domain’s DNS records worldwide to troubleshoot issues and ensure proper configuration.

Verify DNS

Browser information

Instantly identify browser, device, and IP details to resolve issues or share with support teams.

Get browser info

Open ticket

Reach out anytime, we’ll answer without delay.
Create ticket

Knowledgebase

Guides and troubleshooting made easy, right at your fingertips.
Explore articles

Tutorials

Follow simple steps to get things done quickly.
Learn how to

FAQ

Get clear, quick answers to what customers ask most.
Explore

Talk with a sales specialist

Discuss your needs with our friendly sales team.
Get in touch

Power your hosting projects with LumaDock

Deploy reliable cloud VPS instantly, complete with essential tools: IP lookups, DNS tests, browser checks, and more.
Start now

LumaDock biedt snelle en betaalbare VPS, GPU en dedicated server hosting voor developers, bedrijven en gamers, aangedreven door NVMe-opslag en AMD EPYC.

LumaDock® is een geregistreerd handelsmerk van LumaDock LTD, gevestigd in Londen W1S 1HN, Verenigd Koninkrijk, en geregistreerd in Engeland en Wales onder bedrijfsnummer 15844051.


LumaDock review

Copyright © 2026 LumaDock. Alle rechten voorbehouden.

GPU products are in high demand at the moment. Fill the form to get notified as soon as your preferred GPU server is back in stock.