Purpose of the ARP Cache tool

The ARP Cache Tool lets you view and modify your computer's TCP/IP network ARP cache (ARP Table used with IPv4).

About the ARP Cache Tool

The ARP Cache Tool allows you to do several things including:

  • View your computer's current ARP Cache (ARP Table).
  • Add static entries to the ARP Cache.
  • Delete any entry from the ARP Cache.
  • Flush the ARP Cache.

Related Tool Links

ARP Cache Screenshot

ARP Cache Screenshot

How the ARP Cache Tool works

Displays your ARP Cache.
Shows all entries in the ARP cache. Cache contents can be filtered by Local or Remote Interface IP address. The manufacturer of each remote device's network interface is shown. The hostname for each IP address can be optionally shown.

ARP Cache Editing.
Add a static entry to the ARP cache or delete any entry, static or dynamic from the ARP cache.

Flush or clear the ARP Cache.
This requires the app to be run with 'Run as administrator' mode.

A video of the ARP Cache Tool in action!

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ARP (Address Resolution Protocol) is a protocol which associates an IPv4 address with a MAC (Media Access Control) address (xx-xx-xx-xx-xx-xx) over an ethernet network segment. ARP is normally not routed beyond a network segment.