IPv4 Alternatives

Apps similar to IPv4 include IPv6, which is free and open source. Other options are NAT Checker. Between them they cover the web, Android, iPhone, Chrome OS and iPad.

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IPv4 alternatives page was last updated Feb 27, 2026

IPv6
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Internet Protocol version 6 (IPv6) is the most recent version of the Internet Protocol (IP), the communications protocol that provides an identification and location system for computers on networks and routes traffic across the Internet.
Cost / License
Free
Open Source
Origin
United States
Platforms
Mac
Windows
Linux
Online
Windows Mobile
Android
iPhone
Java Mobile
Blackberry
Chrome OS
Android Tablet
BSD
Windows Phone
iPad
Good alternative?Is IPv6 a good alternative to IPv4?
NAT Checker
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Detect your network NAT type and public IP with our free online tool. Essential for gaming, P2P connections, and network troubleshooting.
Cost / License
Free
Proprietary
Origin
China
Platforms
Online
Google Chrome
Mozilla Firefox
China
Good alternative?Is NAT Checker a good alternative to IPv4?

2 of 2 IPv4 alternatives