: It sends fake Address Resolution Protocol (ARP) messages to other devices on the LAN, tricking them into believing your computer is the network gateway (router).
Selfishnet must have administrator rights to perform ARP spoofing. Open the extracted folder, right-click on the Selfishnet.exe (or Selfishnet Beta Vista ) file, and select Properties . Navigate to the Compatibility tab, check the box that says "Run this program as an administrator" , and click Apply > OK . Launch the Program: Double-click to run the application.
Selfishnet is a lightweight, classic networking tool designed to solve this problem. It allows users to discover all devices connected to a local area network (LAN), monitor their bandwidth usage in real time, and cap or block their internet access completely.
Check the box at the bottom that says Click Apply and then OK . Step 4: Launching the Application Double-click the configured SelfishNetv2.exe . WORK Download Selfishnet Windows 11
Now, you will see a list of devices with their IP addresses. To make it easier to identify a specific computer or phone, click on the located next to the blue scan button. This action expands the information displayed for each device, revealing its MAC address and, crucially, its hostname (e.g., "DESKTOP-ABC123" or "iPhone"). This allows you to identify the device you want to manage.
I can provide targeted troubleshooting steps based on your network configuration. Share public link
: When launched, you must select the correct network adapter (e.g., your Wi-Fi or Ethernet card) from the dropdown menu to start scanning. : It sends fake Address Resolution Protocol (ARP)
: Because SelfishNet is not hosted on an official manufacturer website, downloads from untrusted sources may contain malware. Some antivirus programs may flag it due to its "spoofing" behavior. Ethical Concerns
Double-click the to launch it. Click Yes if the Windows User Account Control (UAC) prompt appears.
Network bandwidth hogs can instantly ruin your internet experience, whether you are trying to game, stream, or work from home. Selfishnet has long been a favorite tool for network administrators and home users looking to control bandwidth distribution on a local area network (LAN). It allows you to see every device connected to your Wi-Fi or Ethernet network and manually limit their download and upload speeds—or block them entirely. Navigate to the Compatibility tab, check the box
For a more stable and "official" way to manage bandwidth on Windows 11, consider:
Lets you set explicit speed limits (in KB/s) for specific devices.
: Many security suites, such as those from Bitdefender or Malwarebytes , may flag the software as potentially malicious due to its aggressive network-spoofing behavior. Sustainable Alternatives
Shows the exact download and upload speeds each device is currently using.