NameVirtualHost 90.80.80.23
<VirtualHost 90.80.80.23:80>
    ServerAdmin admin@90.80.80.23
    DocumentRoot C:\Web-Server\Apache2\www\90.80.80.23\www
    ServerAlias    90.80.80.23
    ServerName 90.80.80.23
    ErrorLog logs\90.80.80.23-error_log
    CustomLog logs\90.80.80.23-access_log common
 </VirtualHost>