Most of the manufacturers of broadband routers and modems allow end users to configure different settings on their router through a private IP Address. A majority of the devices are accessed through the default IP 192.168.1.1, although there are many other IP Addresses also used.

The end user has to plug-in his router with the computer, open his favorite web browser and enter the IP address in the address bar. The control panel can be accessed through a default set of username and password. The user can also change the username and password as per his own convenience.

In case the user forgets the password, he can use the hardware reset button, usually provided on the body of the router, to change back the settings back to the default-factory settings. In this process, the username and passwords are also restored back to the factory default.

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Zyxel Router Password: The default list

Zyxel is one of the reputed brands in the broadband routers market. They manufacture a series of broadband routers. Here is a list of some of their most popular models of broadband routers and modems alongwith their default username and password list. Use it as per your requirements.

Vendor Model Protocol Username Password
ZYXEL PRESTIGE HTTP n/a 1234
ZYXEL PRESTIGE FTP root 1234
ZYXEL PRESTIGE TELNET (none) 1234
ZYXEL PRESTIGE 643 CONSOLE (none) 1234
ZYXEL PRESTIGE 652HW-31 ADSL ROUTER HTTP admin 1234
ZYXEL PRESTIGE 100IH CONSOLE n/a 1234
ZYXEL PRESTIGE 650 MULTI 1234 1234
ZYXEL PRESTIGE 900 HTTP webadmin 1234
ZYXEL PRESTIGE 645 HTTP admin 1234
ZYXEL PRESTIGE P660HW MULTI admin 1234
ZYXEL ZYWALL 2 HTTP n/a (none)
ZYXEL ADSL ROUTERS Rev. ALL ZYNOS FIRMWARES MULTI admin 1234
ZYXEL PRESTIGE 660HW MULTI admin admin
ZYXEL P-660HW-61 Rev. PRESTIGE 660HW-61 HTTP n/a 1234

[Source: http://www.routerpasswords.com]