IP Address Lookup

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Our IP lookup service is the most up-to-date & comprehensive databases available for getting information including location, ISP, blacklist status, abuse reports, and more.

Spam & Malicious IP Blacklist Lookups

Our IP address blacklist database is one of the most comprehensive and up-to-date resources for checking if an IP is likely to be from a malicious or spammy user. It’s powered by our global detection network, provides detailed statistics, and exclusive IP address details.

Have a question or looking for information on how to request an IP address be removed from our blacklist? We’d love to hear form you! Contact us today and we’ll be happy to help. Response time varies depending on current demand and prioritized by subscribers, but you can typically expect a reply within 3-5 business days.

Exclusive IP Lookup Insights

Perform an IP address lookup on Zero Spam to gain exclusive up-to-date insights including our popular spam confidence score, geolocation, the number of times an IP has been reported, and more!

Unlike other IP address blacklist lookup sites, Zero Spam offers easy-to-understand insights and detailed information that can be used to take action with confidence. Our mission is to put a stop to spam and malicious user emails before they have a chance to inflict damage to others.

Up-to-date IP Geolocation Information

Use our IP blacklist lookup to determine an IP address geolocation information, including country, region (state), city, zip and DMZ coordinates. Geolocation information is updated daily to ensure the most accurate and up-to-date data.

Zero Spam IP Blacklist FAQ

Find answers to common questions about Zero Spam’s IP blacklist below. Can’t find your question? Contact us.

An IP blacklist is used to filter out illegitimate or malicious IP addresses from accessing a site or application. Zero Spam's IP blacklist is one of the most up-to-date and comprehensive.

You can check if your IP address has been reported to Zero Spam's IP blacklist by using our IP Blacklist Checker. Enter an IP & get detailed information if it's been reported.

All reported IP address are kept up-to-date and give a confidence score. This score can be used to determine if and how long an IP address should be blocked.

Fill out Zero Spam's contact form on the contact page and provide the IP address that should be removed. Once submitted, it'll be added to the review queue to determine if it's a legitimate user.

Zero Spam uses a network of tens of thousands of websites, forums, blogs and open-source blacklists to determine if an IP should be reported. Spammy/malicious activity on those sites results in a report being sent to Zero Spam.

Yes! Zero Spam offers both a free and premium version of it's blacklist API that can easily be integrated into any site or application.