Are there free static IP addresses

Five steps to a constant IP address

Hermann Apfelböck

Private IP addresses can cause unnecessary confusion as the router distributes them dynamically. If you prefer a static IP, you can easily set it up. That's how it's done.

EnlargeAs soon as a device connects to the network, it receives a free IP number from the private address space from the router - usually This router service (DHCP) is convenient, but not suitable for every network component.

1. These devices need fixed IPs

A terminal device that you do not control with any other device in the network is well supplied with the random IP via DHCP. This includes tablets and smartphones, PCs and notebooks without a server role. But all network devices that you access with others should or must have a constant IP: The smart TV can only be controlled via the smartphone if the TV's IP set in the smartphone app is valid again tomorrow. In order to load the configuration interface of a repeater, network printer, NAS or media server, you don't want to have to laboriously search for their IP addresses every time. Access via the IP address is also often useful for data servers if the network names are not translated or translated too slowly. A fixed IP is also essential if a server in the home network is to be reached via the Internet.

2. Select a fixed IP from the address space

EnlargeHow to find out your current IP in the private network.

You can easily find out which IP numbers come into consideration for a static assignment by following the command after Win-R in the "Execute" dialog cmd / k ipconfig and read out the values ​​"IPv4 address", "Subnet mask" (practically always and "Standard gateway" (standard gateway is the address of the router and often Those who shy away from the command line can also find all values ​​under "Control Panel> Network and Sharing Center" by clicking on the link next to "Connections" and also on "Details". The Ipv4 number of the computer and that of the standard gateway are identical up to the number after the last point - this is your private address space, in which you can freely choose the last three-digit number. The exception is the “1” for the router itself. Choose numbers that you can easily remember - for example 50, 100, 150, 200.

You should know these router settings

3. Request a fixed IP on the end device

EnlargeAnd this is how you use a static IP.

To give a Windows PC a fixed IP, go to "Control Panel> Network and Sharing Center> Change adapter settings". After right-clicking on the active adapter and "Properties", double-click on "Internet Protocol Version 4 (TCP / Ipv4)". Then select "Use the following IP address" and enter the desired "IP address" from your address space. The subnet mask "" is usually inserted automatically. Enter the router IP with the "1" at the end as the standard gateway and preferred DNS server. The change always applies after the next restart, but you can also force it by switching the adapter off and on. Other network devices such as smart TVs or NAS can request a fixed IP in the same way. The way to this setting is different, but the relevant dialog with the IP settings always requires the same values.

4. Set up a fixed IP on the router

EnlargeRouters can also be assigned a fixed IP.

There are WLAN repeaters and / or network printers that do not offer a fixed IP assignment in their own configuration dialog. In this case, fixed IP addresses can also be controlled centrally via the router. The router menu can be "DHCP Reservation" or something similar. You can find this option in the Fritzbox under "Home network> Network". There the option "Always assign the same IP address to this network device" appears for the network devices entered. "

Security check - secure the router
5. Use devices with a fixed IP

You can address network devices with a fixed IP in two ways, depending on the type: You can access data releases on PCs, notebooks and NAS devices in the address line of Windows Explorer or on the command line with a preceding double backslash: \ 192.168 \ 1 \ 100 . An already appended share name like "\ 192.168 \ 1 \ 100 \ Transfer" also works. However, it is much more common to use it in the address line of the Internet browser. This then leads to the configuration interface of the router, NAS, printer or repeater. In some cases, such as the Tversity media server, a specific port specification is also required (e.g. It is best to save frequently used home network addresses as bookmarks in the browser.