BGP prefix filter list

Brielle bruns at
Wed May 15 13:53:22 UTC 2019

Would also cut out anyone who uses /24s for anycast, or just general traffic control...

Or as you put it, an insane amount of important stuff.

Sent from my iPhone

On May 15, 2019, at 7:44 AM, Phil Lavin <phil.lavin at> wrote:

>> We recently filtered out >=/24 prefixes since we're impacted by 768k day.
> What kind of network are you running? Doing such prefix filtering on an eyeball network strikes me as insane - you'd be cutting off customers from huge swathes of the Internet (including small companies like us) that don't have large IPv4 sequential allocations.

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