IP to authoritative CIDR webservices

James Raftery james at now.ie
Tue Dec 15 06:27:03 CST 2009

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":


``It's somewhere in the Red Hat district''  --  A network engineer's
  freudian slip when talking about Amsterdam's nightlife at RIPE 38.

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