What is a fixed IP address and what is it used for?
Dynamic or fixed IP? We explain the difference simply, the concrete use cases, and why a fixed IP address can be essential for your business or home.
When you use the Internet, every connected device has a unique address called an IP address. Did you know there are two types of IP addresses? Dynamic and fixed.
In this article, we explain simply what a fixed IP is… and above all why it can be essential.
Dynamic IP vs fixed IP
Dynamic IP (the most common)
This is what most users have by default.
- It changes regularly (at every router restart or periodically)
- It is automatically assigned by the provider
- It is suitable for classic use (browsing, streaming, etc.)
👉 Problem: it is impossible to guarantee a stable address over time
Fixed IP (static)
A fixed IP is an address that never changes.
- It is permanently assigned to your connection
- It remains the same 24/7
- It allows reliable remote access to your network
👉 It is a much more professional and stable solution
What is a fixed IP used for?
1. Secure remote access
You can connect to your company or home from anywhere:
- Server access
- Remote desktop (RDP)
- VPN
👉 Without a fixed IP, these accesses can become unstable or complicated
2. Hosting services
A fixed IP is essential if you host:
- A web server
- A mail server
- A NAS (storage)
- A remotely accessible IP camera
👉 Your services remain accessible at all times
3. Security and filtering
Some companies only allow connections from known IPs.
- Whitelisting
- Secure access to sensitive platforms
👉 A fixed IP helps strengthen security
4. Professional VoIP telephony
In some cases, a fixed IP is recommended to:
- Ensure better stability
- Avoid blocks on the provider side
- Simplify SIP configurations
5. Simplified access without dynamic DNS
Without a fixed IP, solutions like dynamic DNS are needed.
👉 With a fixed IP:
- No complex configuration
- No dependency on an external service
- Direct and reliable connection
Fixed IP: who is it for?
Recommended for:
- Businesses
- Advanced remote workers
- Users with a server or NAS
- Home automation or video surveillance installations
Not necessarily useful for:
- Classic browsing
- Streaming (Netflix, YouTube, etc.)
- Basic home use
And the price?
Contrary to what many think, a fixed IP should not cost a fortune.
With some providers, it is a rare option… or even unavailable for private customers.
At MaxiConnect, a fixed IP is available from CHF 10.– / month, even for private customers.
Conclusion
A fixed IP is not just a “technical thing”. It is an essential tool for anyone who wants:
- More control
- More stability
- More security
If you need to access your network remotely or host services, a fixed IP becomes indispensable.