191.37.131.231 reported for spam
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Blacklisted | Sep 24, 2026 15:44:32 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Sep 24, 2026 15:44:32 | |
| 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 | 191.37.128.0/22parent network: 191.37.128.0/21 |
|---|---|
| Network Spam Rate | 1% |
| DNS name | 191-37-131-231.cybertechnet.net.br |
| AS number | 263359 |
| Org name | Cybertech Informatica LTDA |
| Location | Pato Branco, Paraná, Brazil |
| IP Geolocation | lat: -26.1704; lon: -52.6589 |
| Address | - |
| Phone | - |
| Website | cybertech.inf.br |
| AS spam rate | 6.67% |
| Websites hosted on 191.37.131.231 | Data loading |
191.37.128.0/22 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 191.37.130.17(191-37-130-17.cybertechnet.net.br) | Feb 28, 2024 07:08:26 | Sep 26, 2026 05:14:42 | 5 |
| 2 | 191.37.131.111(191-37-131-111.cybertechnet.net.br) | Oct 01, 2025 15:43:06 | Sep 25, 2026 21:23:28 | 4 |
| 3 | 191.37.131.231(191-37-131-231.cybertechnet.net.br) | Sep 26, 2025 16:07:03 | Sep 24, 2026 20:44:32 | 12 |
191.37.131.231 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 191.37.131.231 contacting my website?
This 191.37.131.231 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 191.37.131.231 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 191.37.131.231?
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 191.37.131.231. 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 191.37.131.231 is currently performing various types of spam and security attacks on websites.
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