Re: [v6ops] IPv6 and 5G will make life hell for spooks and cops say Australia's spooks and cops • The Register

Mikael Abrahamsson <swmike@swm.pp.se> Wed, 07 March 2018 07:33 UTC

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Date: Wed, 07 Mar 2018 08:33:17 +0100
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: Alexandre Petrescu <alexandre.petrescu@gmail.com>
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Subject: Re: [v6ops] IPv6 and 5G will make life hell for spooks and cops say Australia's spooks and cops • The Register
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On Mon, 5 Mar 2018, Alexandre Petrescu wrote:

> Well, if 5G IPv6 is a hell for spooks and cops then 4G IPv4 was a hell 
> too: nobody tracks people by IP addresses in cellular networks.

The information about who had what address at what time is typically kept, 
so that an IP address can be tracked back to a subscription. In IPv6, this 
is done by prefix and not by address in a 3GPP network (since a /64 is 
used per PDP).

-- 
Mikael Abrahamsson    email: swmike@swm.pp.se