What is the IP Reputation Checker?
Looks up an IP address, or a domain (which it resolves to an IP first), against AbuseIPDB's database to see how often it's been reported for abuse.
How it works
The request goes through our server, which resolves a domain to an IPv4/IPv6 address if needed, then calls the AbuseIPDB v2 check endpoint using a server-side API key so it never reaches your browser. The response includes an abuse confidence score from 0-100, the total number of reports filed against the IP in the last 90 days, its country, and any domain associated with it.
SysAdmin & security use cases
- Investigating a suspicious IP found in a server's access logs
- Checking an IP's abuse history before adding it to an allowlist
- Looking up whether a login attempt came from a known spam or attack source
- Comparing the abuse score of a few candidate outbound relay IPs before choosing one