223.255.255.0/24

Sat Feb 22 13:37:24 UTC 2003

I can imagine there is some reason why this was originally reserved thats 
probably not valid any more..

However seems like a lot of effort to change documents and policies for a single 
/24 !

Steve

On Thu, 20 Feb 2003 bdragon at gweep.net wrote:

> 
> 223.255.255.0/24 has historically been designated as a special-use network
> as it is the numerically highest Class C network. It is listed in
> RFC3330 as Reserved but open for possible future allocation.
> 
> Now that 222/7 has been allocated to APNIC, the question comes up as to
> whether it is retaining the Reserved designation, or whether APNIC will
> keep it as reserved. I note that the APNIC whois servers do not denote
> it as Reserved.
> 
> I bring this up since many bogon filters include this network for both
> routing and packet filtering.
> 
> I have queries out to both APNIC and IANA as to the present status of
> that network, but I expect IANA will likely defer to APNIC.
> 
> If it is no longer reserved, I've suggested that RFC3330 be updated
> to reflect its present status (such as prior-special-use networks
> are listed).
> 
> In any event, pending confirmation from APNIC, I suggest folks look over
> their own bogon filtering. A quick check of Rob's list doesn't have
> this network specified. I believe that Juniper has a prebuilt bogon
> list, but I don't recall whether this network is on it or not.
> 
> I've suggested APNIC send out email to the operations community, but
> if they don't, I'll send an update with whatever they send me.
> 
> 