Nmap scan report for host-091-097-186-184.ewe-ip-backbone.de (91.97.186.184)
Host is up (0.10s latency).
Not shown: 91 filtered tcp ports (no-response), 8 filtered tcp ports (admin-prohibited)
PORT     STATE SERVICE
5060/tcp open  sip

Nmap done: 1 IP address (1 host up) scanned in 3.71 seconds