Contact from (what used to be) CAIS (AS 3491).

Could someone from whoever owns CAIS Internet (AS3491) please
contact me offlist? One of your customers has a machine that is making
a lame attempt at a DDOS attack.

Although ineffectual, it is causing a slight uptick in bandwidth usage and
we need to get this stopped before I take it to your upstream.

Thanks

John P.
American Webmasters, Inc.