Compare software

IP Lookup vs IPVoid: catalog facts
IP Lookup	IPVoid
Free Free and open source under the GPL.	Free The tools are used free of charge in the browser.
Linux	Web
Simple single-purpose interface Adaptive layout for Linux phones	Many IP and DNS tools in one place IP blacklist check alongside geolocation and whois
Linux only Limited to IP information lookups	Web only, so tests run from the site's servers rather than your network Each tool does a single check rather than ongoing monitoring
Downloadable app	Web application
Open source	Closed source
License: GPL-3.0-or-later	License not stated
No account needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.