full-disclosure - Re: Why are phone internet operators using UK MoD and US DoD IP ranges in their networks?

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Date: Mon, 20 Feb 2012 11:56:06 -0500
From: Valdis.Kletnieks@...edu
To: Julius Kivimäki <julius.kivimaki@...il.com>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Why are phone internet operators using UK MoD
	and US DoD IP ranges in their networks?

On Sun, 19 Feb 2012 20:45:20 +0200, =?ISO-8859-1?Q?Julius_Kivim=E4ki?= said:

> So, it appears that Sprint and T-Mobile are using 25.*.*.* and 28.*.*.* as
> their phone network internal IPs.
> This causes a ton of security issues, why would they do this?

They apparently thought that their customers would never need to talk to
anybody in the then-unallocated 25/8 and 28/8 blocks.  I mean, it was only 1992
or so when people started worrying that we'd run out of IPv4 space, so you can
hardly blame companies that deployed large numbers of deviced before 1992 for
doing stupid things not thinking about when address space ran out.

Oh wait...

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