IP Abuse Reporting Website

AbuseIPDB

AbuseIPDB is an IP address reputation and abuse-reporting website where administrators, security teams, and contributors check and report addresses associated with spam, hacking attempts, DDoS activity, phishing, and other malicious behavior.

Official site

abuseipdb.com is the main public website for AbuseIPDB.

Core use

Users check IP addresses for reported malicious activity and submit reports about abusive IPs they observe in logs or security systems.

Project operator

The official About page says AbuseIPDB is managed by Marathon Studios Inc.

AbuseIPDB helps users check and report IP addresses associated with abusive or malicious activity.View icon asset on AbuseIPDB

What AbuseIPDB is

AbuseIPDB official site is an IP abuse reporting and reputation website. It gives webmasters, system administrators, and security teams a place to check whether an IP address has been reported for malicious activity and to contribute their own reports.

IP reputation checks

The basic workflow starts with an IP address. A user checks whether other contributors have reported suspicious activity from that address, then reviews signals such as report volume, categories, timestamps, network context, and confidence. Those signals can support blocking, rate limiting, investigation, or a decision to watch the address more carefully.

Community reporting

AbuseIPDB depends on reports from people and systems that observe abuse. Administrators can report addresses involved in spam, brute-force attempts, exploit scanning, phishing, DDoS participation, web spam, proxy abuse, and other categories. The value comes from many observers comparing notes, but reports still require context and judgment.

API and integrations

The API documentation describes endpoints for checking IP addresses and reporting malicious activity. Integrations with tools such as Fail2Ban, firewalls, SIEM workflows, and security automation let administrators turn repeated abuse signals into alerts, blocks, or enrichment data inside their own environment.

Report categories

The report categories page lists abuse types such as DNS compromise, DNS poisoning, DDoS attack, phishing, open proxy, web spam, email spam, FTP brute force, and SQL injection. Categories help standardize reports so that a security team can distinguish noisy but low-risk behavior from more urgent patterns.

Who uses AbuseIPDB

AbuseIPDB is used by webmasters, hosting providers, system administrators, SOC teams, firewall operators, abuse desks, and researchers. A small site owner may use it to understand repeated login attacks, while a larger team may use the API to enrich network-defense decisions.

Limits and false positives

IP reputation is useful but imperfect. Shared hosting, NAT, VPNs, mobile carriers, proxies, cloud platforms, and compromised machines can make attribution messy. A report against an IP address is not proof that every user behind that address is malicious, so high-impact blocks should be reviewed carefully.

Why it matters

Attack traffic often appears first as small repeated events: failed logins, scans, spam attempts, fake orders, or suspicious requests. AbuseIPDB matters because it gives defenders a shared way to compare those observations and respond faster when many independent systems see the same abusive source.

WHOIS domain data

Data pulled: May 23, 2026View current WHOIS record

Domain: abuseipdb.com
IP address: 104.26.12.38
Registrar: Cloudflare, Inc.
WHOIS server: whois.cloudflare.com
Referral URL: http://www.cloudflare.com
Created: April 6, 2010
Updated: December 17, 2022
Expires: April 6, 2030
Nameservers: phil.ns.cloudflare.com (108.162.193.137); uma.ns.cloudflare.com (172.64.32.146)
Domain status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Contact privacy: Registrant contact details are redacted in the Cloudflare WHOIS record.

Key concepts

IP reputationan assessment of whether an IP address has been associated with unwanted or malicious behavior.
Abuse reporta contributor-submitted observation that links an IP address with a category of suspicious activity.
Confidence scorea signal intended to summarize how strongly reported activity suggests abuse.
Blocklista list of IP addresses that a system may use for blocking, rate limiting, or closer monitoring.

Website features

Check IPv4 and IPv6 addresses for abuse-report history.
Report malicious IP activity using website forms or API endpoints.
Use report categories to describe spam, brute force, phishing, scanning, DDoS activity, and other abuse types.
Integrate IP checks and reporting into security tools, firewalls, SIEMs, and automation workflows.

Common misconceptions

An AbuseIPDB report is not a legal finding or proof that a specific person is responsible for an attack.
A bad IP reputation can affect innocent users behind shared infrastructure, VPNs, proxies, or compromised machines.
A clean result does not prove an IP address is safe; it may simply have no public reports in the relevant window.
Automated blocking should be tuned carefully to avoid disrupting legitimate users or business traffic.

Open questions

How can reputation services reduce false positives while still reacting quickly to distributed abuse?
What report-quality signals should matter most when many contributors submit noisy or incomplete evidence?
How should defenders treat cloud-provider and carrier-grade NAT addresses that may represent many unrelated users?
Can IP reputation remain useful as attackers rotate infrastructure faster and hide behind residential proxy networks?