You can address the Arris cable modem at ip address 192.168.100.1. Some providers disable this after it goes online. Here is one reference <a href="http:&#x2F;&#x2F;www.dslreports.com&#x2F;forum&#x2F;r20894378-What-is-the-cable-modem-s-IP-address" rel="nofollow">http:&#x2F;&#x2F;www.dslreports.com&#x2F;forum&#x2F;r20894378-What-is-the-cable-...</a>