What is my Cable Modem Default Username Password and IP Address?

For Arris Cable Modem SBG6700 / SBG6580 / SBG5680-02

Default IP Address: 192.168.100.1 or 192.168.0.1
Default Username: admin
Default Password: password or motorola

For Spectrum & Skyworth Modem: CM5200G2 / CM5100G2/ CM5200-A

Default IP Address: 192.168.100.1 or 192.168.0.1
Default Username: Blank
Default Password: admin

For Hitron Modem: CGN-AP & CGN-AP2

Default IP Address: 192.168.100.1 or 192.168.0.1
Default Username: admin
Default Password : password