My previous employer used 198.18/15 for CE links on IPVPN services. Walgreens used an American SP's space internally and couldn't talk to any users in that space as a result.
On Sun, Dec 17, 2017 at 11:31 PM, Eric Kuhnke <eric.kuh...@gmail.com> wrote: > some fun examples of the size of ipv6: > > https://samsclass.info/ipv6/exhaustion-2016.htm > > https://www.reddit.com/r/theydidthemath/comments/2qxgxw/self_just_how_big_is_ipv6/ > > On Sun, Dec 17, 2017 at 7:05 PM, Large Hadron Collider < > large.hadron.colli...@gmx.com> wrote: > >> Missent. >> >> Welcome to IPv6, where you have technically-reserved-for-future-use space >> that should never actually need to be used. Quite likely, you can use >> something like 440::/16 as your private space, but please don't do that >> unless you've exhausted the true private space. >> >> You're welcome. >> >> >> >> On 17/12/2017 14:57, James Downs wrote: >> >>> On Dec 17, 2017, at 14:33, Matt Hoppes <mattli...@rivervalleyinternet.net> >>>> wrote: >>>> >>>> Had a previous employee or I discovered it on the network segment after >>>> we had some weird routing issues and had to get that cleaned up. I don't >>>> know why anyone would do that when there is tons of private IP space. >>>> >>> Unless there isn't.. I've worked at more than one company that had used >>> up all the private space. Then you have the cases where some M&A causes >>> overlapping IP space. In addition, you'd also be surprised how many people >>> just assign the entire 10/8 space into a flat IP space. >>> >>> -j >>> >> >>