Listen 80

NameVirtualHost 172.20.30.40

<VirtualHost 172.20.30.40>
DocumentRoot /www/example.com
ServerName www.example.com
</VirtualHost>

<VirtualHost 172.20.30.40>
DocumentRoot /www/example.org
ServerName www.example.org
</VirtualHost>

<VirtualHost 172.20.30.40>
DocumentRoot /www/example.net
ServerName www.example.net
</VirtualHost>

# "par-IP"
<VirtualHost 172.20.30.50>
DocumentRoot /www/example.edu
ServerName www.example.edu
</VirtualHost>

<VirtualHost 172.20.30.60>
DocumentRoot /www/example.gov
ServerName www.example.gov
</VirtualHost>