[120266] in North American Network Operators' Group
IP to authoritative CIDR webservices
daemon@ATHENA.MIT.EDU (William Pitcock)
Mon Dec 14 23:58:50 2009
From: William Pitcock <nenolod@systeminplace.net>
To: nanog@nanog.org
Date: Mon, 14 Dec 2009 22:57:58 -0600
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Hi,
Does anyone know of a webservice that converts a given IP into the
public CIDR range that belongs to? I am developing a tool where IP to
CIDR conversion based on RIR whois data would be useful for implementing
filtersets.
William
