What is IP reputation?
Andrew Mckinney
Updated on June 10, 2026
IP reputation is a tool that identifies IP addresses that send unwanted requests. Using the IP reputation list you can reject requests that are coming from an IP address with a bad reputation. Optimize Web Application Firewall performance by filtering requests that you do not want to process.
What is IP reputation service?
What is an IP Reputation Service? An IP reputation service provides a reputation score for an individual IP address that can be used by organizations as a signal in a fraud risk scoring system.
How do I fix my IP reputation?
10 Ways to Improve Your IP Reputation
- Separate your marketing and business transaction email servers.
- Warm up the IP Reputation.
- Check servers for malware infections.
- Review reasons for hosting a public proxy server.
- Set public proxy server policies.
- Implement authentication for proxy servers.
How do I find my public IP reputation?
Tools to check your IP reputation
- Google Postmaster Domain and IP Reputation Dashboard. This is one of the most accurate data providers since Google owns and controls a lot of data.
- 2. Mail Tester.
- Cisco Talos Intelligence IP and Domain Reputation Checker.
- SenderScore.
- Cyren IP Reputation Checker.
How does IP reputation work?
A strong IP reputation means the device that corresponds with that address is a trustworthy location for information and internet communications. For example, if you’re a business owner who wants to send emails to clients, your IP reputation can strongly affect whether your emails get flagged as spam.
Why IP reputation is important?
Why Is The IP Reputation Important? A strong IP score means you are considered a trustworthy source. This means that your emails will reach your intended recipients and your email campaign therefore stands a greater chance of being effective.
How does IP rep work?
Is an IP malicious?
A malicious IP is an IP address or security category associated with malicious activity. Turning on the Malicious IP service enhances automated security decisions with IP reputation intelligence.
Why does my IP address have a poor reputation?
If your sending server is in the same neighborhood as other sending servers, then your server’s reputation can be affected by the others’ actions even if they have nothing to do with you. The following are some well-known “bad neighborhoods”: Public cloud servers (e.g. at Amazon).