Apart from having a Public IP address, your router or modem also has a private IP, or internal IP that is used to communicate with devices in the local network. The modem or router will usually assign itself at the first IP in the subnet, something like 192.168.0.1 , 192.168.1.1 or others.
The Arris TG1682G router has the default IP Address of: 10.0.0.1 Once you have entered the router's IP Address simply click the Enter button on your keyboard and you should see the following screen: In the upper left corner of this screen it asks you for your username and password. Find the default IP Address for your Arris router, modem, and other devices. Also find the default username and password for your devices. Arris - TG1682G. Ip Address: 10.0.0.1. Login: admin. Password: password. Login to the router with the default IP addresse 10.0.0.1 and then use the username IP Address - Enter the desired IP address for the computer. NOTE: The IP Address must be within the DHCP range of the LAN network. b. Mac Address - Enter the MAC Address of the LAN device (e.g. computer, gaming console). c. Click the Add Client button. The following message will now appear: DHCP Service is restarting. Please wait.
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Another option would be to install a third-party router, such as one you would buy at a store, in between the ISP's router and the rest of the devices on your network. You can then configure OpenDNS on that device and it will distribute the DNS settings to the devices on your network.
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