Re: Announcing a reserved ASN?

[Rich Kulawiec <rsk () gsp org>]

On Sun, Feb 03, 2013 at 06:12:32PM +0530, Suresh Ramasubramanian wrote:
> AS23456 is currently announcing a good few netblocks (which don't have a
> very good smtp reputation, by the way).

To say the least.  A quick rDNS scan reveals that those netblocks include:

        8448  addresses
        6932  return nxdomain
        512   return servfail
        1004  with rDNS entries

Those 1004 hosts with rDNS account for 36 domains:

        ainoutserver.net
        alphainfonet.com
        boxmatter.org
        clickcabin.com
        cloud-core.com
        contrymail.com
        coremail4you.org
        dealatmail.org
        deliver8mail.org
        deliverbox.org
        deliveryalive.org
        deliveryaverage.org
        emailadvisir.org
        emailpacts.com
        emailservercore.com
        emailvalue.co.in
        emailvalue.in
        fairmail4you.org
        financeofferpros.com
        globalmaildelivery.org
        inboxdelivery.org
        livemailservices.in
        nayasa.net
        newwaygain.com
        paydayloanforyou.net
        payloantoyou.com
        quickpaydaytoyou.net
        ready4deal.org
        realemail.org
        realemaildelivery.org
        sandeshdelivery.org
        sandeshfour.com
        sandeshone.com
        sandeshonline.org
        truemaildelivery.org
        warmmailcampaign.com

I'm sure they're all perfectly legitimate businesses.

---rsk