[70633] in North American Network Operators' Group

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Re: List of dynamic IP's

daemon@ATHENA.MIT.EDU (Alex Clark)
Thu May 20 18:22:23 2004

Date: Thu, 20 May 2004 15:21:20 -0700 (PDT)
From: Alex Clark <alextclark@yahoo.com>
To: nanog@merit.edu
In-Reply-To: <40ABE54E.8040200@buckhorn.net>
Errors-To: owner-nanog-outgoing@merit.edu


--- Bob Martin wrote:
> Does anyone know of a list of dynamic IP's by ISP?

Two children of the Wirehub/Easynet Dynablock are
available via rsync:
  http://www.njabl.org/dynablock.html
  http://www.dnsbl.us.sorbs.net/DUL-FAQ.html

You can use grepcidr with BGP data if you need to
split the lists by ASN.
http://www.pc-tools.net/unix/grepcidr/

However for blocking incoming SMTP at the moment it
may be more effective to simply use the Spamhaus XBL
and basic HELO sanity checks.

-- 
Alex Clark



	
		
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