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OK, this isn't really a server question in practice, but I'm pretty sure it has something to do with server management. What is this joke supposed to mean?: http://xkcd.com/742

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192.168/16 is a private block of IPs that aren't routable on the Internet. It means that the killer was inside the house!!!

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    Oh, they mean it as in 192.168.*.*? OK, I get it now!
    – Kudu
    May 29, 2010 at 16:17
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    Yes, the /16 is CIDR notation, it means a 16 bit netmask, or 255.255.0.0
    – MDMarra
    May 29, 2010 at 16:19
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    If you're not familiar with CIDR notation, read this, it helped me: en.wikipedia.org/wiki/CIDR_notation
    – Kudu
    May 29, 2010 at 16:26

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