-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Mon, Dec 14, 2009 at 8:57 PM, William Pitcock <neno...@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/