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Full Discussion: Decode windows .dat file
Special Forums Windows & DOS: Issues & Discussions Decode windows .dat file Post 302971940 by Projecteer on Wednesday 27th of April 2016 10:04:10 AM
Old 04-27-2016
A .dat is quite a commonly used extension to mean "data", it can be generated by many programs and although I've seen many .dat file headers, I've never seen that header at the start.

it doesn't have an ascii fourcc at the start, so that gives me no clues. I would guess its just data from the start as the values as longs or shorts are very high, unless there are about 43k records or size? i'm just guessing now.
Code:
ª.<+`V

Can you provide the data originator application name?

Is it possible it could be compressed, and headers are omitted (ie a gz stream)
 

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LEARN ABOUT DEBIAN

arp2ethers

ARP2ETHERS(8)						      System Manager's Manual						     ARP2ETHERS(8)

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) format on stdout.  Usu-
       ally arp.dat is an ethernet/ip database file generated by arpwatch(8).  The arpwatch daemon in Debian will create different arp.dat depend-
       ing 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), ethers(5), rarp(8), arp(8),

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.

																     ARP2ETHERS(8)
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