-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Mon, Dec 14, 2009 at 8:57 PM, William Pitcock <nenolod@systeminplace.net> wrote:
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.
WHOIS? Alternatively, use the Team Cymru tool to find the AS, then the CIDR Report portal to determine all perfixes originated by the AS in question: http://asn.cymru.com/ http://www.cidr-report.org/ Apologies if you are seeking other magic... - - ferg -----BEGIN PGP SIGNATURE----- Version: PGP Desktop 9.5.3 (Build 5003) wj8DBQFLJxq3q1pz9mNUZTMRArwbAKDDc0cVkSzbFegAR2iaPzyYvE5vGgCdHeZ2 Sq9wnK0xuf9bz4Z+pxprkX8= =a0cv -----END PGP SIGNATURE----- -- "Fergie", a.k.a. Paul Ferguson Engineering Architecture for the Internet fergdawgster(at)gmail.com ferg's tech blog: http://fergdawg.blogspot.com/