kimmo at global-wire.fi
Fri Apr 18 07:51:50 GMT 2008
On Fri, Apr 18, 2008 at 09:38:05AM +0200, Per Søderlind wrote:
> Personally, I'm going to use the first three octets e.g. 4.12.32.%, if you
> are in the neighborhood of 22.214.171.124 (i.e. 4.12.32.*) it's your bad.
Living dangerously, eh? Delegations smaller than /24 are common, and it
is not possible to freely pick your neighborhood on the Internet like
one can when bying a house.
Since you are parsing IP addresses, I'd like to mention IPv6. Picking
octets can get a bit tricky with just regular expressions.
beowulf.gw.com has address 126.96.36.199
beowulf.gw.com has IPv6 address 2001:14b8:1ee::34
pyry.gw.com has address 188.8.131.52
pyry.gw.com has IPv6 address 2001:14b8:1ef:8000::226
> The next version will use = instead of LIKE.
Being deterministic and simple, it is my favorite. :)
<A HREF="http://kimmo.suominen.com/">Kimmo Suominen</A>
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