Port 3341 is usually associated with the FirstClass Collaboration Suite, which is a groupware
Port 22000- Port 22100 Port 22100- Port 22200 Port 22200- Port 22300 Port 22300-
Port 217 is mostly unused and unassigned by the Internet Assigned Numbers Authority (IANA).
Port 3657 is used for the Xbox Live network protocol, specifically for peer-to-peer connectivity
Ports those registered with IANA are shown as official ports. The same port number
Port 2421 is used for the Transmission Control Protocol (TCP) and User Datagram Protocol
Ports those registered with IANA are shown as official ports. The same port number
Port 51700- Port 51800 Port 51800- Port 51900 Port 51900- Port 52000 Port 52000-
Port 28600- Port 28700 Port 28700- Port 28800 Port 28800- Port 28900 Port 28900-
Port 662 is typically used for the Secure Internet Remote Server Environment (SIRSE) protocol,