Squeezing IPs out of ARIN

Suresh Ramasubramanian ops.lists at gmail.com
Thu Apr 26 09:49:28 CDT 2012

They do, they do .. but there's all kinds of rwhois unfortunately.

suresh at frodo 07:41:38 :~$ telnet rwhois.level3.net 4321
^C [keeps timing out]

suresh at frodo 07:48:17 :~$ telnet rwhois.hostnoc.net 4321
Connected to rwhois.hostnoc.net.
Escape character is '^]'.
%rwhois V-1.5:003fff:00 rwhois.hostnoc.net (by Network Solutions, Inc.
[not particularly up to date]

compared to, for example -

suresh at frodo 07:47:13 :~$ telnet rwhois.cogentco.com 4321
Connected to plebe.sys.cogentco.com.
Escape character is '^]'.
%rwhois V-1.5:0010b0:00 rwhois.cogentco.com
[fast, works great, accurate]

suresh at frodo 07:47:22 :~$ telnet rwhois.softlayer.com 4321
Connected to rwhois.softlayer.com.
Escape character is '^]'.
%rwhois V-1.5:003fff:00 rwhois.softlayer.com (by Network Solutions,
Inc. V-

On Thu, Apr 26, 2012 at 8:07 PM, Owen DeLong <owen at delong.com> wrote:
> Actually, most of the ISPs I know that use RWHOIS instead of SWIP do so tying
> the RWHOIS server into their IP management database through an automated
> process (if not just live queries).
> However, you are right that most ISPs use SWIP.

Suresh Ramasubramanian (ops.lists at gmail.com)

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