Unlike the Internet Protocol (IP), NetBEUI does not have the concept of "ports". So Microsoft grabbed a trio of three successive Internet ports 137, 138, and 139, to use for the transport of their existing NetBIOS protocol over IP-based LAN and WAN networks. The horrors of insecurity resulting from Microsoft's exposure of their NetBIOS protocol

TCP and UDP ports used by Apple software products Aug 27, 2019 Test-NetConnection The Test-NetConnection cmdlet displays diagnostic information for a connection. It supports ping test, TCP test, route tracing, and route selection diagnostics. Depending on the input parameters, the output can include the DNS lookup results, a list of IP interfaces, IPsec rules, route/source address selection results, and/or confirmation of connection establishment. Use of ports 137, 138 and 139 Sep 13, 2017

Source Port UDP 137(Private) Destination Port UDP 137

Port Checker is a simple and free online tool for checking open ports on your computer/device, often useful in testing port forwarding settings on a router. For instance, if you're facing connection issues with a program (email, IM client etc) then it may be possible that the port required by the application is getting blocked by your router's

TCP and UDP ports used by Apple software products

Oct 21, 2003 Check 202.125.94.137:8080 IP PROXY & PORT Online Check 202.125.94.137:8080 IP PROXY & PORT Online (Proxy Checker) tool shows about your IP Proxy and Port connect to Host is alive or die. 45.148.121.137 | Sijmen Klaas Bakker | AbuseIPDB IP Abuse Reports for 45.148.121.137: . This IP address has been reported a total of 41 times from 25 distinct sources. 45.148.121.137 was first reported on July 23rd 2020, and the most recent report was 1 hour ago.. Recent Reports: We have received reports of abusive activity from this IP address within the last week. It is potentially still actively engaged in abusive activities.