Welcome to the Network Abuse Clearinghouse Updated February 23, 2006. The Network Abuse Clearinghouse is intended to help the Internet community to report and control network abuse and abusive users. Since the best place to report abusive activity varies from one system to another, we're trying to keep a master database of reporting addresses for users throughout the net to use. The database is provided in four forms: Via a mail forwarding service Via a web look-up page Via a domain name lookup ...