This is the NERP.net OpenID Provider endpoint.
Dear NERP.net user, you have an unique identifier (https://nerp.net/openid/joe, for example). You can then use this identifier to log on to all Web sites that are OpenID-enabled (over 450 and counting, see the Directory for a partial listing of the sites). Please enter your company username bellow to find out what is your identifier. In order to login you have to provide your company password. If you do not have one yet, contact the Systems administartors.