[root@luna ~]# nmap 192.168.81.75

Starting Nmap 6.00 ( http://nmap.org ) at 2016-09-15 12:04 CEST
Nmap scan report for 192.168.81.75
Host is up (0.00021s latency).
Not shown: 995 closed ports
PORT      STATE SERVICE
22/tcp    open  ssh
53/tcp    open  domain
80/tcp    open  http
111/tcp   open  rpcbind
49167/tcp open  unknown
MAC Address: A2:58:01:9F:4F:2B (Unknown)

Nmap done: 1 IP address (1 host up) scanned in 0.22 seconds
[root@luna ~]#