187.121.236.128 reported for spam
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Not in list | Feb 22, 2026 16:00:04 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Feb 22, 2026 16:00:04 | |
| Security FireWall | Not in list | - | Get Security Plugin |
| Block Lists | Data loading | - | Use via API, Files & DNSBL |
| Type of attacks | Spam | ||
Abuse reports
| There are currently no abuse reports for this email/IP. Report Abuse activity |
Details
| Network | 187.121.224.0/20 |
|---|---|
| Network Spam Rate | – |
| DNS name | - |
| AS number | 266356 |
| Org name | PRONTO FIBRA LTDA |
| Location | Juiz de Fora, Minas Gerais, Brazil |
| IP Geolocation | lat: -21.749; lon: -43.4382 |
| | |
| Address | - |
| Phone | - |
| Website | prontofibra.com.br |
| AS spam rate | 1.99% |
| Websites hosted on 187.121.236.128 | Data loading |
187.121.224.0/20 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 187.121.236.180 | Jul 29, 2026 01:39:40 | Aug 10, 2026 01:08:24 | 3 |
| 2 | 187.121.236.74 | Mar 25, 2026 05:14:48 | Oct 23, 2026 01:34:18 | 3 |
| 3 | 187.121.236.72 | Mar 17, 2026 10:44:41 | Jul 16, 2026 15:30:35 | 4 |
| 4 | 187.121.236.56 | Feb 21, 2026 08:20:36 | Sep 22, 2026 16:47:46 | 5 |
| 5 | 187.121.236.78 | Feb 19, 2026 07:03:38 | Apr 26, 2026 05:48:56 | 3 |
| 6 | 187.121.236.128 | Feb 19, 2026 04:34:06 | Feb 22, 2026 21:00:04 | 3 |
| 7 | 187.121.236.46 | Feb 09, 2026 11:17:00 | Aug 14, 2026 11:37:32 | 3 |
| 8 | 187.121.236.188 | Feb 08, 2026 22:55:08 | Mar 07, 2026 16:34:45 | 7 |
| 9 | 187.121.236.241 | Feb 08, 2026 09:08:39 | Jul 22, 2026 05:24:35 | 3 |
| 10 | 187.121.236.190 | Jan 28, 2026 17:39:49 | Sep 24, 2026 04:07:33 | 3 |
187.121.236.128 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
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Why is this 187.121.236.128 contacting my website?
This 187.121.236.128 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 187.121.236.128 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 187.121.236.128?
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 187.121.236.128. 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 187.121.236.128 is currently performing various types of spam and security attacks on websites.
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