---
name: "arp2ethers"
section: "8"
platform: "linux"
package: "arpwatch"
version: "2.1a15-9"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/arp2ethers"
---

# arp2ethers(8)

convert arpwatch address database to ethers file format

## NAME

arp2ethers - convert arpwatch address database to ethers file format

## SYNOPSIS

**arp2ethers** \[ **arp.dat file** \]

## DESCRIPTION

**arp2ethers** converts the file  */var/lib/arpwatch/arp.dat* (or the file specified on the command line) into **[ethers(5)](/ethers/5.md)** format on *stdout*. Usually *arp.dat* is an ethernet/ip database file generated by **[arpwatch(8)](/arpwatch/8.md)**. The arpwatch daemon in Debian will create different  *arp.dat* depending on its configuration. All of them will be available at  */var/lib/arpwatch/*.

## FILES

```
/var/lib/arpwatch - default directory for arp.dat
arp.dat - ethernet/ip address database
```

## SEE ALSO

[**arpwatch**(8)](/arpwatch/8.md), [**ethers**(5)](/ethers/5.md), [**rarp**(8)](/rarp/8.md), [**arp**(8)](/arp/8.md),

## BUGS

Please send bug reports to arpwatch@ee.lbl.gov.

## AUTHORS

Original version by Craig Leres of the Lawrence Berkeley National Laboratory Network Research Group, University of California, Berkeley, CA.

Modified for the Debian Project by Peter Kelemen, with additions from Erik Warmelink.

The current version is available via anonymous ftp:

*ftp://ftp.ee.lbl.gov/arpwatch.tar.gz*

This manual page was contributed by Hugo Graumann.