SelfishNet V3 is a small but potent utility for Windows-based computers. At its core, it's a network management and bandwidth control tool that gives you the power to monitor and control internet usage on your local network (LAN). Imagine having a traffic cop for your Wi-Fi connection—that's SelfishNet in a nutshell.
Instantly disconnect specific users from the internet.
Selfishnet v3 Top: Ultimate Guide to Managing Your Network Speed in 2026
: Using ARP spoofing can trigger antivirus alerts or be flagged as malicious on professional networks. Free & Open Source : Accessible to everyone without costs. Network Instability
To block someone, check the Block checkbox for their device. selfishnet v3 top
Click the yellow lightning bolt icon to begin redirecting traffic through your PC.
As of the latest updates, the repository has and 47 forks , indicating a healthy level of community interest and trust. The most recent release is SelfishNetV3.0.1 , which includes a proper installer and clear installation instructions.
As Maya dug deeper, she discovered that the true power behind Selfishnet V3 was not what it seemed. The network was being controlled by a shadowy organization known only as "The Syndicate," a group of powerful individuals who had been secretly manipulating the system for their own gain.
ARP spoofing can cause significant network instability. If multiple users attempt to use such tools, or if the spoofing messages conflict, it can lead to a complete loss of connectivity for everyone on the network. SelfishNet V3 is a small but potent utility
Click the network discovery button (usually depicted as a network or search icon) to populate the list of connected computers, phones, and consoles.
Have you ever been in the middle of a crucial online gaming session, a high-stakes video conference, or streaming your favorite show, only to have the experience ruined by sudden, unbearable lag? You suspect a culprit—someone in your network is streaming 4K video, downloading massive files, or simply hogging all the available bandwidth. This is a common frustration in today's connected homes, and it's a problem that network management tools like SelfishNet V3 are designed to solve.
Look for duplicate MAC addresses for the gateway IP.
: While originally for older versions, it is reported to work on Windows 7, 8, 10, and 11, though some users may need to install .NET Framework 3.5 to run it. Pros and Cons Instant Control : Immediate results for limiting bandwidth-heavy devices. Security Risks Instantly disconnect specific users from the internet
SelfishNet v3 remains one of the most effective, lightweight tools for managing bandwidth on a local network, particularly for users who need to curb "bandwidth hogs" without accessing a router's admin panel.
If someone else is using Selfishnet to block your access, you can protect yourself by:
For three years, he’d been a ghost in the machine. As a senior network architect for the sprawling, decaying metroplex of Veridia Heights, he had access to the city’s spinal cord—the fiber-optic arteries that pumped data into every apartment, every hover-car, every brain-itch ad-slot. But the network was sick. Bandwidth was a finite, shrinking resource, hoarded by the rich and squeezed from the poor.
SelfishNet functions by utilizing a technique known as ARP (Address Resolution Protocol) spoofing. In a typical network, devices use ARP to associate IP addresses with physical MAC addresses. SelfishNet sends false ARP messages onto the local network, essentially tricking other devices into thinking the user's computer is the network gateway (the router).
