full-disclosure - MediaSentry false positives?

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Message-ID: <87y8f8f5li.fsf@deneb.enyo.de>
From: fw at deneb.enyo.de (Florian Weimer)
Subject: MediaSentry false positives?

> Has anybody received "Notice of claimed infringement" from MediaSentry
> for IP addresses which, while registered to you or your organization,
> are in a range not actively in use?

I've independently received another report of this problem.

> I see two likely possibilities -- either MediaSentry is not using due
> diligence in verifying that the material for which they send
> infringement notices is actually shared from the address they show in
> the complaint,  or somebody on the Internet is spoofing BGP route
> announcements for unused address space out of larger allocations.

RIPE doesn't have an announcement of the prefix, so I think
MediaSentry was in error.

I don't think it makes sense for MediaSentry to check their findings
more closely from a business perspective.  They don't try to download
the infringing material to confirm that redistribution actually takes
place, either.