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We are absolutely, definitively, completely and utterly out of IPv4 addresses, warns RIPE

Roland6 Silver badge

>In the real world you'll be using DNS...

Depends on context, as I said looking through syslogs, DNS doesn't help you.

>The address you gave is... well, invalid...

Only to the extent that I transcribed it incorrectly, switching a digit and colon. Which demonstrates quite nicely that IPv6 addresses aren't really intended to be used by humans, even ones used to working in hex...

Yes, it was a local link address, but it was to hand and illustrates the point: put a wireshark on a LAN and on many networks in todays IPv4 first environment, you will lots of 'interesting' IPv6 addresses. the only way to find out what they are is to probe them. As I've not seen a pure IPv6 network, I'm not sure what I would see, but given IPv4, I anticipate in addition to the DHCP assigned addresses there will be a few 'interesting' addresses that will need to be investigated.

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