20.3.221.176 is blacklisted, reported for spam, and brute force attacks
2 brute force attacks, last activity .
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Blacklisted | Jul 06, 2026 17:03:58 | Get Anti-Spam Plugin or API |
| SpamFireWall | Blacklisted | Jul 06, 2026 17:03:58 | |
| Security FireWall | Not in list | - | Get Security Plugin |
| Block Lists | Data loading Level + | - | Sign Up for API, Files, DNSBL & Online Access |
| Type of attacks | Spam, BruteForce | ||
Abuse reports
| There are currently no abuse reports for this email/IP. Report Abuse activity |
Details
| Network | 20.3.220.0/22parent network: 20.0.0.0/13 |
|---|---|
| Network Spam Rate | – |
| DNS name | - |
| AS number | 8075 |
| Org name | Microsoft Corporation |
| Location | Washington, United States |
| IP Geolocation | lat: 47.6109; lon: -122.3303 |
| Address | - |
| Phone | - |
| Website | microsoft.com |
| AS spam rate | 0.64% |
| Websites hosted on 20.3.221.176 | Data loading |
Brute Force attacks log
| Date/time (GMT) | IP | Nickname | Event |
|---|---|---|---|
| Jul 06, 2026 22:16:37 | 20.3.221.176 | ad** | invalid_username |
| Jul 06, 2026 20:19:06 | 20.3.221.176 | ad** | invalid_username |
20.3.220.0/22 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 20.3.221.176 | Jul 06, 2026 13:17:26 | Jul 06, 2026 17:03:58 | 0 |
20.3.221.176 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 20.3.221.176 contacting my website?
This 20.3.221.176 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 20.3.221.176 safe?
It depends on the IP address status. If it is green and marked as "Not in lists", it is considered safe. If it is "Blacklisted" and shown in red, it means the IP has been involved in abusive activity such as spam, phishing, scam attacks, password brute-force attempts, or hacking attempts.
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How do I block 20.3.221.176?
Use one of our Anti-Spam plugins, the Security plugin, the Anti-Spam API, or the Block Lists API. If you are not sure which option to choose, please contact our support team: https://cleantalk.org/my/support/open
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Is this a bot or hacker?
It depends on the activity of the 20.3.221.176. If the Anti-Spam or Security plugins stop the attacks, it is most likely a bot. If they do not stop them, there is a high probability that it is a human attacker.
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What does "Blacklisted" mean?
It means the 20.3.221.176 is currently performing various types of spam and security attacks on websites.

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