Richard: Yes, four-octet representation is allowed, too. I've checked RFC950, which defines subnet masks. It does state
quote:subnet bits need not be contiguous
However, I have yet to see a non-contigous subnetmask used at all, I can't even find examples or why it sould/should not be used. See http://rfc.net/rfc950.html for details. Thus, with regards to this KiXgolf subnet masks will consist of contiguous bits.
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