[86985] in North American Network Operators' Group

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Re: IP Prefixes are allocated ..

daemon@ATHENA.MIT.EDU (Christopher L. Morrow)
Mon Nov 28 01:47:15 2005

Date: Mon, 28 Nov 2005 06:46:48 +0000 (GMT)
From: "Christopher L. Morrow" <christopher.morrow@mci.com>
In-reply-to: <Pine.SOC.4.61.0511272212230.13088@paixhost.pch.net>
To: Bill Woodcock <woody@pch.net>
Cc: Glen Kent <glen.kent@gmail.com>, NANOG list <nanog@merit.edu>
Errors-To: owner-nanog@merit.edu



On Sun, 27 Nov 2005, Bill Woodcock wrote:
>
>     > I tried searching through all the WHOIS records for a domain name. I
>     > get the IP address but i dont get the AS number.
>     > Any clues on how i can get the AS number?
>
> If you just want this for one thing, not lots, you can just track it down
> by hand.  Check to see if the address space is being announced, and if so,
> by what AS.  Then check the RIR whois for that AS, and see who it is.  If
> it's not being announced, start looking through whois for substring
> matches against likely bits of the name of the owner of the address space.

he might be satisfied with:

mail.pch.net.           86400   IN      A       206.220.231.1

:~> host -W 6 -R 10 -t txt  1.231.220.206.asn.routeviews.org
1.231.220.206.asn.routeviews.org text "3856" "206.220.228.0" "22"

which is AS 3856 routing 206.220.228.0/22 ... which contains the /32
above.

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