ASN Domain for rDNS

Damien Burke damien at
Wed Dec 10 01:18:12 UTC 2014

Honestly, it looks pretty and you can see the ASN in the traceroute from windows/linux standard traceroute commands.

I don't think it's for white label as most ASN's have a company name in their WHOIS on ARIN/RIPE/ETC.

-----Original Message-----
From: NANOG [mailto:nanog-bounces at] On Behalf Of Fred
Sent: Tuesday, December 09, 2014 4:36 PM
To: nanog at
Subject: Re: ASN Domain for rDNS

I'd say this is mostly for whitelabelling reason rather than a technical one?

Keefe John:
> I've been seeing more and more carriers(and even small ISPs) using 
> as their domain for rDNS on IP space.  What are the pros 
> and cons for doing this versus using your primary business domain name?
> Keefe John

More information about the NANOG mailing list