191.53.168.11 reported for spam
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Not in list | Sep 30, 2025 23:25:24 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Sep 30, 2025 23:25:24 | |
| 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 | 191.53.168.0/24 parent network: 191.53.0.0/16 |
|---|---|
| Network Spam Rate | 1% |
| DNS name | 191-53-168-11.ptu-fb.mastercabo.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 | 2.08% |
| Websites hosted on 191.53.168.11 | Data loading |
191.53.168.0/24 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 191.53.168.195 (191-53-168-195.ptu-fb.mastercabo.com.br) | Oct 24, 2026 12:44:23 | Oct 29, 2026 18:25:00 | 3 |
| 2 | 191.53.168.244 (191-53-168-244.ptu-fb.mastercabo.com.br) | Jun 27, 2026 03:07:16 | Jul 22, 2026 00:31:12 | 4 |
| 3 | 191.53.168.253 (191-53-168-253.ptu-fb.mastercabo.com.br) | Jun 25, 2026 17:18:53 | Jun 28, 2026 22:31:37 | 3 |
| 4 | 191.53.168.11 (191-53-168-11.ptu-fb.mastercabo.com.br) | Sep 26, 2025 05:58:18 | Oct 01, 2025 04:25:24 | 3 |
191.53.168.11 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
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Why is this 191.53.168.11 contacting my website?
This 191.53.168.11 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 191.53.168.11 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 191.53.168.11?
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 191.53.168.11. 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 191.53.168.11 is currently performing various types of spam and security attacks on websites.
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