In this case I will use Name Based Virtual hosting.
ServerName 10.111.203.25
NameVirtualHost *:80
<VirtualHost *:80>
ServerName web1.test.com
DocumentRoot /var/www/html/web1
</VirtualHost>
<VirtualHost *:80>
ServerName web2.test2.com
DocumentRoot /var/www/html/web2
</VirtualHost>