Selfishnet | V3.0.0 Windows [better]

Download and install (with WinPcap compatibility enabled) or WinPcap onto your Windows machine. Reboot your computer if prompted.

Throttling or blocking users on a public, workplace, or shared network without authorization can violate terms of service, company policies, or local laws regarding network disruption.

Allows you to enter specific bandwidth limits (in KB/s) for individual devices to prevent network hogging.

When considering using SelfishNet, it's wise to be aware of the potential risks. selfishnet v3.0.0 windows

Input a maximum speed threshold (e.g., typing 50 restricts that device to roughly 50 KB/s). Press to register the value.

This is the most common issue on modern Windows 10 and 11 machines.

SelfishNet v3 is a Windows GUI tool built around ARP spoofing that lets you inspect and control devices on a LAN — throttle bandwidth per device, block access, spoof MACs and more. Version 3.0.0 marks a modern rework (C#) and an installer-based distribution aimed at making the tool easier to run on contemporary Windows systems. Download and install (with WinPcap compatibility enabled) or

SelfishNet uses ARP spoofing, which is illegal under the Computer Fraud and Abuse Act (CFAA) in the US and similar laws globally if used "without authorization." If you use it on a network you do not own (work, school, public library, neighbor's Wi-Fi), you are committing a cybercrime punishable by fines or imprisonment.

: A "Block" checkbox allows you to instantly cut off internet access for a specific device.

The program does not require a formal installation; it is typically run by extracting a ZIP file and executing the application directly. Limitations: Allows you to enter specific bandwidth limits (in

: Scans the LAN to identify all connected devices, displaying their IP addresses and MAC addresses .

Control your internet bandwidth with SelfishNet v3. - GitHub

While powerful, SelfishNet is a controversial tool. Its primary mechanism, ARP spoofing, is a technique also used in "Man-in-the-Middle" (MitM) cyberattacks to intercept data. Using such software without the consent of other network users can lead to: Interpersonal Conflict