191.53.27.21 reported for spam
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Not in list | Aug 19, 2026 08:56:32 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Aug 19, 2026 08:56:32 | |
| Security FireWall | Not in list | - | Get Security Plugin |
| Block Lists | Data loading | - | Sign Up for API, Files, DNSBL & Online Access |
| Type of attacks | Spam | ||
Abuse reports
| There are currently no abuse reports for this email/IP. Report Abuse activity |
Details
| Network | 191.53.27.0/24parent network: 191.53.0.0/16 |
|---|---|
| Network Spam Rate | 2% |
| DNS name | 191-53-27-21.ptu-fb.soumaster.com.br |
| AS number | 28202 |
| Org name | MASTER S/A |
| Location | Paracatu, Minas Gerais, Brazil |
| IP Geolocation | lat: -17.1328; lon: -46.8826 |
| Address | - |
| Phone | - |
| Website | soumaster.com.br |
| AS spam rate | 2.16% |
| Websites hosted on 191.53.27.21 | Data loading |
191.53.27.0/24 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 191.53.27.18(191-53-27-18.ptu-fb.soumaster.com.br) | Aug 13, 2026 15:48:29 | Aug 17, 2026 07:18:11 | 3 |
| 2 | 191.53.27.21(191-53-27-21.ptu-fb.soumaster.com.br) | Aug 05, 2026 22:59:07 | Aug 19, 2026 13:56:32 | 3 |
| 3 | 191.53.27.239(191-53-27-239.ptu-fb.soumaster.com.br) | Jun 06, 2026 04:15:31 | Aug 08, 2026 23:38:45 | 3 |
| 4 | 191.53.27.248(191-53-27-248.ptu-fb.soumaster.com.br) | Oct 21, 2025 05:58:57 | Aug 31, 2026 00:38:51 | 3 |
| 5 | 191.53.27.197(191-53-27-197.ptu-fb.soumaster.com.br) | Oct 17, 2025 08:24:17 | Sep 22, 2026 19:47:14 | 3 |
| 6 | 191.53.27.229(191-53-27-229.ptu-fb.soumaster.com.br) | Oct 05, 2025 15:31:26 | Oct 08, 2025 17:23:01 | 3 |
191.53.27.21 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 191.53.27.21 contacting my website?
This 191.53.27.21 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 191.53.27.21 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 191.53.27.21?
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 191.53.27.21. 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 191.53.27.21 is currently performing various types of spam and security attacks on websites.
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