Re: IP to authoritative CIDR webservices

2009-12-16 Thread Andree Toonk
Hi William, .-- My secret spy satellite informs me that at Mon, 14 Dec 2009, William Pitcock wrote: 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

Re: IP to authoritative CIDR webservices

2009-12-16 Thread Christopher Morrow
On Tue, Dec 15, 2009 at 12:18 AM, William Pitcock neno...@systeminplace.net wrote: Hi, On Mon, 2009-12-14 at 21:12 -0800, Paul Ferguson wrote: 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

Re: IP to authoritative CIDR webservices

2009-12-15 Thread James Raftery
On Mon, Dec 14, 2009 at 11:13:28PM -0600, William Pitcock wrote: Yes, but it has to be parsed, and RIRs have varying whois formats. ARIN vs RIPE whois output, for example. This is very easy to parse, though not a web service:

Re: IP to authoritative CIDR webservices

2009-12-15 Thread Tim Wilde
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 12/15/2009 12:18 AM, William Pitcock wrote: http://asn.cymru.com/ Looks like their WHOIS server in verbose mode will do the trick for what I want, as it provides predictable output. Thank you. For the record, the prefix you find here will be

IP to authoritative CIDR webservices

2009-12-14 Thread William Pitcock
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

Re: IP to authoritative CIDR webservices

2009-12-14 Thread Paul Ferguson
-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

Re: IP to authoritative CIDR webservices

2009-12-14 Thread William Pitcock
Hi, 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. William

Re: IP to authoritative CIDR webservices

2009-12-14 Thread William Pitcock
Hi, On Mon, 2009-12-14 at 21:12 -0800, Paul Ferguson wrote: 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

Re: IP to authoritative CIDR webservices

2009-12-14 Thread Reed Loden
On Mon, 14 Dec 2009 23:13:28 -0600 William Pitcock neno...@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