cidr delegation

[Barry Margolin]

In article <9ht0jr$ko1 at pub3.rc.vix.com>,
Fabiola Caceres  <fabiola at infi.net> wrote:
>
>Hi,
>I have read the list, but I'm not sure if I understand this correctly. I
>need some feedback, please.
>I host thetimesherald.com DNS
>They need a reverse entry for 12.47.67.147 wich AT&T delegates to them
>(Gannett)
>
>
>AT&T told me to add on my named.conf the following:
>144/28.67.47.12.in-addr.arpa
>and create the zone file for that block.
>Then, email AT&T back so they can delegate the 12.47.67.144/28 bolck to
>InfiNet (me)
>Is this the correct way to do it? Please advice. I'm a little confuse :(

Yes.  It's explained in detail in RFC 2317 and in the "DNS & BIND" book.

-- 
Barry Margolin, barmar at genuity.net
Genuity, Burlington, MA
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