North American Network Operators Group

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  • From: Alex Bligh
  • Date: Mon May 01 05:34:39 2000

> > Block all APNIC and RIPE assigned networks at the border and all of the
> > sudden, hack attempts and CC fraud disappear.
> And if I block the ARIN assigned networks, most of the spam I receive
> disappears. It's very effective.

If you block all APNIC, RIPE *and* ARIN blocks, together with
some legacy stuff, most network abuse problems stop entirely.
I have found traffic sourced from to be generally
clean though.

Alex Bligh
VP Core Network, Concentric Network Corporation
(formerly GX Networks, Xara Networks)