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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical RE: What is the most standard subnet length on internet
I help a buddy who works for a small ISP. I believe they're ignoring or null routing large chunks of APNIC. Their customers are aware of the policy, and cool with it. Port scanning and other malicious stuff dropped 50% afterwards. Chuck -----Original Message----- From: Skywing [mailto:[email protected]] Sent: Monday, December 22, 2008 10:08 PM To: [email protected]; Nathan Ward Cc: nanog list Subject: RE: What is the most standard subnet length on internet Snarky replies aside, it might be interesting to hear if there are any real examples of this being done intentionally and not out of not knowing better or otherwise configuration error. For example, Tomas Byrnes's suggestion re: hijacking; although, I suspect that in that case, he's speaking of someone doing this filtering on a one-off basis and not on all /24's in the DFZ. - S -----Original Message----- From: [email protected]xx [mailto:[email protected]] Sent: Monday, December 22, 2008 10:05 PM To: Nathan Ward Cc: nanog list Subject: Re: What is the most standard subnet length on internet On Tue, 23 Dec 2008 14:44:46 +1300, Nathan Ward said: > Why are people doing this? Are they lacking clue, or, is there some > reasonable purpose? The total number of routing cluons is apparently a fixed quantity. The number of AS's is known to be increasing. Do the math.
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