If you’re getting blocked from websites, forums or email, chances are that your IP address is on one or more of these anti-spam databases. You can run a blacklist check here to find out if your IP is listed, and most of the time you’ll be able to get it off pretty quickly. But there’s a chance that it might not, especially if you were previously involved in spamming or other unwanted online activity.

Download bad IP address list can usually resolve a blacklist issue online, though you may have to work through some hurdles to do so. Most of the larger blacklist services have a self-service removal feature, and they’ll remove you from their list if they can determine that your behavior has changed. However, some of the smaller blacklists have a more difficult process for getting yourself removed from their lists.

How to Download a Verified Bad IP Address List

Some of the reasons that your IP might be on a list include being a compromised server (zombie) that sends spam or viruses to other computers, being used as a proxy or scanner to try and infect computers with malware or viruses, or being linked to other activities such as phishing or SMTP brute force attacks. But there are other, less obvious reasons for your IP being on a list as well. These can include a poor firewall configuration, sharing a subnet with other compromised machines or having too many incoming connections from untrusted sources.

As with most things in cybersecurity, an ounce of prevention is worth a pound of cure. Keep up with software updates, scan regularly for malware and viruses, use strong passwords for all of your accounts and use multi-factor authentication where available. With these simple steps, you can help prevent your IP addresses from landing on a major blocklist and improve your deliverability and security.