2 guests on 1 physical server (running ESXi 5.5)?

Hi, first of all... I'm new to VMware, I have 1 server Dell PowerEdge R420 in my new company that is used for virtual machines (running ESXi 5.5)... and I've been through, there 2 hosts running in 2 IP ranges, each host contains a few virtual machines... is it possible to have 2 guests on 1 Physical (ESXi) or am I wrong somewhere ?

A nice man, it's what I told you about my last post, which should be another host in a remote area.

Don't worry the confusion and do not forget to assign points for correct or helpful answers.

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