Starting Nmap 7.80 ( https://nmap.org ) at 2023-05-26 04:06 EDT Nmap scan report for 92x255x190x149.static-business.omsk.ertelecom.ru (92.255.190.149) Host is up (0.19s latency). Not shown: 92 closed ports PORT STATE SERVICE 53/tcp open domain 80/tcp filtered http 135/tcp filtered msrpc 139/tcp filtered netbios-ssn 443/tcp filtered https 445/tcp filtered microsoft-ds 1723/tcp open pptp 2000/tcp open cisco-sccp Nmap done: 1 IP address (1 host up) scanned in 3.96 seconds