Why is my IP address blacklisted?
There are several reasons your IP address on a blacklisted list. Your IP may only listed on a single blacklist, or even listed on multiple blacklists. Each IP blacklist maintained separately and not governed by a central source. Each may have different standards for listing/delisting IP addresses.
If your IP address is blacklisted, this doesn't necessarily mean there is cause for concern. Some blacklists automatically add any IP address that is assigned via DHCP from the ISP. DHCP IP addresses are mainly how almost all residential connections connect to the Internet. Business accounts are more likely to be assigned static IP addresses.
We don’t maintain a blacklist, but here are the main reasons why your IP could end up being listed. Virus, Malware, or spam. If you've got a virus or malware and your computer is constantly pinging or attempting to communicate with other computers. You're bound to hit a computer where the admin will see your ‘attack’, block your IP address, and report it accordingly. If you send spam or run a mail server that is not properly configured and it allows spam to be sent. To clarify, that IP address becomes blacklisted.
If you have a DHCP IP address and you're not a spammer and don't have a virus, it's possible that the person who had your IP address before you was, or the person who had it before them, or the person who had it before them. Only the ISP knows who had the IP address prior to assigning it to you. You may have done nothing wrong.
How do I get my IP address off of a blacklist?
Firstly, you should make sure that all devices on your network not infected. After you've determined your network is clean and that no unauthorized traffic is going out. Find where your IP address is blacklisted and contact them for removal. Each blacklist will have different ways of requesting an IP removal. And just because you've made the removal request, doesn't mean they'll honor your request.
What if my IP address remains on a blacklist?
That depends. If you're an average home user, having your IP address on a blacklist probably won't make a difference with your daily surfing agenda. However, if you're a business and run your own mail server. You may have issues getting unlisted. You'll need to make sure each device on your network is clean and make sure your mail server is configured correctly. Also the mail server locked down so it's not allowed to send messages from unauthenticated users.
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