connection string with real ip of the server on the internet

can i make a connection string with real ip not with static ip if that's right i want it now plz

but you must know i make a remote connection before but in local network

_-_-_-> by this

<add name="ConnectionString" connectionString="Data Source=172.16.100.8,1433;Initial Catalog=Rsms_9_5_2009_amir;Integrated Security=True"providerName="System.Data.SqlClient" />

if you can i want it work with real ip of the server on the internet not static ip on the LAN

thanks