Running out of IPs

Hey everyone,

I’m running out of IPs on my network (using 192.168.1.0) and I was wondering if I can easily add the 192.168.2.0 network and still have communications on the same domain (e.g. fabrikam.local). Is this possible, or do I need to create a new domain also?

I have a server in mind to use as a router if that is possible also. Any other suggestions would be appreciated.

If you guys need other information, just ask.