IPv4 smaller than /24 leasing?
fhr at fhrnet.eu
Thu Jan 4 20:08:37 UTC 2018
Thanks for all the responses!
Seems like I was right about doubting this.
Linux System Administrator
Dne 1/4/18 v 20:20 Matt Harris napsal(a):
> They're probably using GRE or other sorts of tunnels, I'd imagine? It
> would likely involve increased latency, as any packets coming to those
> addresses would hit them first, and then be tunneled - either over the
> public internet using gre or some kind of vpn, or perhaps via a
> private connection or even an IX, to you? As far as outgoing traffic
> from those addresses, you'd probably need to make sure that any
> upstreams you're sending packets to from those addresses are not
> running urpf which would cause them to be discarded, or otherwise get
> around such a configuration.
> Take care,
> On Thu, Jan 4, 2018 at 1:13 PM, Filip Hruska <fhr at fhrnet.eu
> <mailto:fhr at fhrnet.eu>> wrote:
> I have stumbled upon this site  which seems to offer /27 IPv4
> They also claim "All of our IPv4 address space can be used on any
> network in any location."
> I thought that the smallest prefix size one could get routed
> globally is /24?
> So how does this work?
>  http://www.forked.net/ip-address-leasing/
> Filip Hruska
> Linux System Administrator
> Matt Harris - Chief Security Officer
> Main: +1 855.696.3834 ext 103
> Mobile: +1 908.590.9472
> Email:matt at netfire.net <mailto:matt at netfire.net>
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