# Is "Last IP" Ever Reported Incorrectly?

**URL:** <https://meta.discourse.org/t/is-last-ip-ever-reported-incorrectly/121328>\
**Category:** Product Support\
**Created:** [June 25, 2019, 8:55pm UTC](https://meta.discourse.org/t/is-last-ip-ever-reported-incorrectly/121328 "2019-06-25T20:55:02Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![pfaffman](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/pfaffman/32/120154_2.png) [@pfaffman](https://meta.discourse.org/u/pfaffman)\
**Post date:** [June 25, 2019, 9:44pm UTC](https://meta.discourse.org/t/is-last-ip-ever-reported-incorrectly/121328/2 "2019-06-25T21:44:25Z")

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Other than the possible misconfiguration error that you mentioned, they could have a duplicate IP if they use the same coffeehouse, co-working space, or university (the last university that I worked for had all of wifi behind NAT on the same IP; it made, say, having a class all sign up for gmail accounts at the same time a real bummer).

So, it’s _fairly unlikely_ that they’d have duplicate IPs, but it’s not impossible.

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