#2 Sep 17, 2006 04:14
I can safely say, you are on a network or LAN. The DNSBL antispam blacklist, listed all network/LAN IP addresses, so any computers in the world who are connected behind a networl/LAN will be blocked.
It's a hassle yes. But most spammers are behind a network/LAN, so it's one way to block them really early. Other than blocking their public IP addy.