do ISPs keep track of end-user IP changes within thier network?
sam at circlenet.us
Thu Dec 12 11:34:26 UTC 2013
I'm not sure about the current state of the industry it's been a while
since I was responsible for an access network. In the past we would keep
radius logs for about 4 months, these would include the username,IP
address and yes (to date myself) the caller id of the customer at the
On 2013-12-12 03:49, Ray Wong wrote:
> been a while, but seems like lately it's more a question of how long.
> can be in position where they need to, but as things have
> seems like they'd really like to forget it as soon as they can. If
> got a specific case in mind, likely best to find a direct contact and
> get a
> response about policy, even if it has to be off-record. The big ones
> one I likely shouldn't mention by name unless they do as I don't work
> them) definitely do, at least long enough to handle DMCA requests and
> legal obligations.
> On Wed, Dec 11, 2013 at 9:36 PM, Mikael Abrahamsson
> <swmike at swm.pp.se>wrote:
>> On Wed, 11 Dec 2013, Carlos Kamtha wrote:
>> just a general curiousity question. it's been a long time since ive
>>> worked at an ISP.
>>> back then it was non-expiring DHCP leases and in some cases static
>>> IP for
>>> all.. (yes it was long ago..)
>>> Any feedback would be greatly appreciated..
>> Yes, it's very common to keep track of what user account/line had
>> what IP
>> at what time.
>> Mikael Abrahamsson email: swmike at swm.pp.se
More information about the NANOG