IP

255.255.255.0 is the standard home subnet mask, or /24. Here is what it means and how many devices it allows.

192.168.1.255 is the broadcast address of 192.168.1.x networks. Here is what that means and why no device uses it.

192.168.1.0 names the whole 192.168.1.x network. It is not a login page. Here is what it means and which address to use.

0.0.0.0 means no address, any address, or the default route, depending on where you see it. Here is each meaning.

A 169.254 address means DHCP failed. Here is what that means and how to fix it on any device.

192.168.1.108 is the default address of Dahua cameras. Here is how to reach it, initialize the device and change the IP.

192.168.1.64 is the default address of Hikvision cameras. Here is how to reach it, activate the camera and change the IP.

192.168.49.1 is the address Android uses for WiFi Direct. Here is what it means and why it is not a router login.

Log in to 192.168.62.1 with admin and 1234. CNet, Tecom and AirVast routers, fixes and common typos.

Log in to 192.168.100.254 with admin and admin or the label login. Ooredoo and ISP devices, fixes and typos.