do ISPs keep track of end-user IP changes within thier network?

Carlos Kamtha kamtha at
Thu Dec 12 03:59:35 UTC 2013


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..


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