[Discuss] IPv6 question(s)

[Craig Miller]

Hi Ron,

First, I would suggest finding another VPS provider, because this one 
doesn't understand IPv6. Typically a /64 is assigned to a VPS, which 
will give you more IP addresses than you need. Some providers will even 
give you a /56 or /48 to your VPS so you can create multiple hosts (such 
as using LXD) on your VPS, all with unique IPv6 addresses. I use both 
Hostinger and Mythic Beast, each give me a /64 for my host.

To answer your question, since there are 128 bits in an IPv6 address, 
128-112=16 or 2^16 hosts in a /112 block. But the fact that your 
provider is giving out less than a /64 (or greater, if you choose to 
look at it that way) means they don't understand IPv6, and they are 
apply IPv4 thinking (where you are concerned with the number of hosts) 
to their IPv6 network.

If your host is Linux, then you can use the `ip` command to create a 
static IPv6 address which I just put in /etc/rc.local. Something like:

# V6 access for makikiweb
/sbin/ip addr add 2001:db8:8:78::F02/64 dev eth0

I hope this helps,

Craig...

On 10/16/23 14:56, BCLUG wrote:
>
> I seem to recall a VLUG in-house IPv6 expert and I have begun to 
> fiddle with IPv6, and have questions...
>
>
> My VPS provider has issued me 5 IPv6 ranges of /112 IPv6 addresses.
>
> How many actual addresses does that give me per /112 block?
>
> How do I use individual addresses from a /112 block? It seems like I 
> give the prefix to the /112 as an address and that works, but I'm not 
> sure how.
>
>
> Any tips appreciated!
>
> rb
>
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