Chris Owen wrote:
Well, "well managed" to me would mean that allocations from that /20 were SWIPed or a rwhois server was running so that if any of those 4,000 IP addresses does something bad you don't get caught in the middle.

Due diligence with SWIP/rwhois only means that one customer is well documented apart from another. As this thread has highlighted, some people filter/block based on random variables: the covering /24, the covering aggregate announcement, and/or arbitrary bit lengths. If a particular server is within the scope of what someone decides to filter/block, it gets filtered or blocked. Good SWIPs/rwhois entries don't mean jack to those admins.

pt

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