Selfishnet V3.0.0 Windows Jun 2026

Scans the local network to detect and list all connected devices by their IP and MAC addresses.

With the devices listed, you can now take control of your network traffic:

SelfishNet must be run “as administrator” to gain the low-level network access it requires for ARP spoofing.

is arguably the most feature-rich alternative, offering per-application bandwidth control (e.g., you could limit Chrome to 1 Mbps while leaving your gaming application at full speed). For network-wide device management similar to SelfishNet, NetCut is a popular Windows-based competitor with similar functionality. selfishnet v3.0.0 windows

Address Resolution Protocol (ARP) is the method by which devices on a local network find each other. When your computer wants to communicate with the router (or any other device), it asks the network “who has this IP address?” and expects an honest answer.

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Locate the target device using its unique IP address or MAC address. Set Speed Limits: Scans the local network to detect and list

is a network management tool built in C# that uses ARP Spoofing (Address Resolution Protocol poisoning) to give you absolute control over your local network's bandwidth allocation.

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Understanding the version history is key to using SelfishNet. The core application hasn't been officially updated by its original developer since around 2007. However, the tool has been kept alive by community contributions. I can walk you through fixing drivers or

For each detected device, you can set an upload and download speed cap. This ensures that no single device can consume the majority of your available bandwidth, keeping your own experience smooth.

SelfishNet V3.0.0 for Windows revives a beloved network management tool for a new generation of users. Its ability to limit bandwidth and block devices without router access makes it uniquely useful for shared network environments, dormitories, coffee shops, and anywhere else where fair internet distribution matters.

Works entirely from your desktop; you do not need the administrator password to the network router. Technical Requirements and Prerequisites