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Reality check: ~30% of active AS worldwide don't drop spoofed packets originating from their networks.

http://spoofer.cmand.org/summary.php

It is a bit like polluting the ocean by dumping wastes. It cost less for the polluters if they are not caught.

For "typical AS router", is it easy or cheap to block spoofed packets?

I wonder if that test software/website can/should "OUT / Shame" the AS routing subnets as "Major Internet Polluters" and publish a monthly reports to shame that 30% polluters.

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