138.204.211.121 is blacklisted, reported for spam, and brute force attacks
1 brute force attacks, last activity .
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Blacklisted | Sep 27, 2026 19:43:35 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Sep 27, 2026 19:43:35 | |
| Security FireWall | Not in list | - | Get Security Plugin |
| Block Lists | Data loading | - | 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 | 138.204.211.0/24parent network: 138.204.210.0/23 |
|---|---|
| Network Spam Rate | 16% |
| DNS name | - |
| AS number | 28294 |
| Org name | GIGA MAIS FIBRA TELECOMUNICACOES S.A. |
| Location | Mauá, São Paulo, Brazil |
| IP Geolocation | lat: -23.668; lon: -46.4676 |
| Address | - |
| Phone | - |
| Website | univox.com.br |
| AS spam rate | 3.64% |
| Websites hosted on 138.204.211.121 | Data loading |
Brute Force attacks log
| Date/time (GMT) | IP | Nickname | Event |
|---|---|---|---|
| Sep 10, 2026 22:07:18 | 138.204.211.121 | zuzen***** | invalid_username |
138.204.211.0/24 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 138.204.211.115 | Feb 28, 2023 04:45:22 | Sep 28, 2026 23:46:44 | 4 |
| 2 | 138.204.211.1 | Apr 26, 2025 05:06:18 | Sep 28, 2026 21:14:58 | 8 |
| 3 | 138.204.211.212 | Sep 19, 2024 01:45:45 | Sep 28, 2026 07:56:39 | 5 |
| 4 | 138.204.211.121 | Jul 20, 2025 07:15:17 | Sep 28, 2026 00:43:35 | 6 |
| 5 | 138.204.211.201 | Mar 24, 2024 02:05:35 | Sep 27, 2026 23:05:11 | 6 |
| 6 | 138.204.211.139 | Aug 13, 2023 00:25:20 | Sep 27, 2026 10:53:15 | 7 |
| 7 | 138.204.211.42 | Jul 08, 2025 03:43:33 | Sep 27, 2026 04:25:05 | 4 |
| 8 | 138.204.211.48 | Mar 01, 2024 05:00:25 | Sep 27, 2026 03:40:28 | 4 |
| 9 | 138.204.211.16 | Aug 21, 2025 00:18:21 | Sep 26, 2026 23:47:14 | 5 |
| 10 | 138.204.211.31 | May 10, 2025 14:27:33 | Sep 26, 2026 08:41:22 | 9 |
138.204.211.121 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 138.204.211.121 contacting my website?
This 138.204.211.121 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 138.204.211.121 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 138.204.211.121?
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 138.204.211.121. 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 138.204.211.121 is currently performing various types of spam and security attacks on websites.
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