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Checking and changing your WiFi configuration

Table of contents

Checking connected WiFi configuration

When you are connected to WiFi, find the IP configuration of the network you are connected to. The important bits are the IP address and the subnet mask. In this case the IP addresses are local, not to be confused with public IP addresses.

Example on iOS:

Tap the i icon next to the connected WiFi and then scroll down to find the IP address info:

Example on macOS:

Open WiFi in System Settings, click Details next to the connected WiFi, then select TCP/IP:

Understanding if the WiFi configuration is correct

WiFi networks normally should use a standard local network configuration.

Both the IP address and the subnet mask should be within one of these three ranges:

IP Address

Subnet Mask



172.16.x.x – 172.31.x.x

255.240.x.x – 255.255.x.x



Where x can be any number. Adapted from RFC 1918.

Changing router settings

If you have found that your local network configuration is incorrect, follow these instructions.

Warning: changing these settings may cause your network setup to stop working. If you are not managing your network yourself, we advise you to contact your network administrator before changing these settings.

These instructions are general guidelines. Steps may differ based on the router manufacturer and software version.

  1. Log in to your router
  2. Find DHCP settings

The following parameters are a suggestion that should work in regular home network setups. If the network setup is more complicated, then these settings may not be suitable.

  1. Make sure that DHCP is enabled
  2. Set router IP to:
  3. Set subnet mask to:
  4. Set DHCP range to: -
  5. Save the settings

After saving the settings, the router configuration page will not work anymore, because the IP address is changed. You will need to use the new IP address ( to connect and configure the router in the future.

Devices connected to this network may need to be reconnected.

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