OpenDNS CGNAT Issues

Ca By cb.list6 at
Tue Sep 11 12:54:39 UTC 2018

On Mon, Sep 10, 2018 at 9:12 PM Darin Steffl <darin.steffl at>

> Hello,
> I have a ticket open with OpenDNS about filtering happening on some of our
> CGNAT IP space where a customer has "claimed" the IP as theirs so other
> customers using that same IP and OpenDNS are being filtered and not able to
> access sites that fall under their chosen filter.
> I have a ticket open from 6 days ago but it's not going anywhere fast.
> Can someone from OpenDNS contact me or point me to a contact there to help
> get this resolved? I believe we need to claim our CGNAT IP space so
> residential users can't claim IP's of their own.
> Thank you!

You should provide your users ipv6, opendns supports ipv6 and likely will
not have this issue you see

I am sure it may cost you time / money / effort. But this old thing we call
ipv4 is in a death spiral, and it will just get worse and worse for you
without ipv6.

> --
> Darin Steffl
> Minnesota WiFi
> 507-634-WiFi
> <> Like us on Facebook
> <>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <>

More information about the NANOG mailing list