When it comes to anti DDoS hosting, maybe they are one of the most famous in NL, but if they are best in offshore hosting, not sure, it should be backed by user reviews.
Here some NL based offshore hosts:
Netherlands
http://www.leaseweb.com/en/
http://www.ecatel.info
SceneReleases.info
NulledScriptz.me
http://www.xsnetworks.net/en/
h33t
http://www.netrouting.nl
Torrentz.eu
source: http://templatep2p.com/forum/index.php?topic=38128.0
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