IP to authoritative CIDR webservices

Reed Loden reed at reedloden.com
Mon Dec 14 23:28:35 CST 2009


On Mon, 14 Dec 2009 23:13:28 -0600
William Pitcock <nenolod at systeminplace.net> wrote:

> On Mon, 2009-12-14 at 21:10 -0800, Mehmet Akcin wrote:
> > Current RIR whois actually does that.
> > 
> > ie: search for 199.4.29
> > it will show you 199.4.28/22
> 
> Yes, but it has to be parsed, and RIRs have varying whois formats.  ARIN
> vs RIPE whois output, for example.

You might could modify the CyberAbuse Whois (zcw) client[1] to also
output CIDR information. It already outputs range information, so
shouldn't be hard to add CIDR support to what it displays. I'll contact
the author to see if he could add that, as it would be a useful feature
for all.

~reed

[1] http://www.cyberabuse.org/whois/

-- 
Reed Loden - <reed at reedloden.com>
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