Is Valueweb.net on any blacklists?

Borgholio <[email protected]>
Newsgroups gmane.mail.spam.spamcop.help
Organization SpamCop
Message-ID <[email protected]>
What's the easiest way to check to see if my ISP (Valueweb.net) is on any 
major blacklists?  I seem to be having trouble sending email to several ISPs 
(including Spamcop), while other ISPs work fine.
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