191.37.57.172 reported for spam
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Not in list | Jun 28, 2026 11:33:41 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Jun 28, 2026 11:33:41 | |
| 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 | 191.37.57.0/24parent network: 191.37.32.0/19 |
|---|---|
| Network Spam Rate | – |
| DNS name | - |
| AS number | 263347 |
| Org name | CEDNET PROVEDOR INTERNET |
| Location | Piraju, São Paulo, Brazil |
| IP Geolocation | lat: -23.194; lon: -49.3935 |
| Address | - |
| Phone | - |
| Website | cednet.com.br |
| AS spam rate | 3.34% |
| Websites hosted on 191.37.57.172 | Data loading |
191.37.57.0/24 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 191.37.57.25 | Feb 09, 2026 08:19:12 | Apr 02, 2026 20:16:40 | 4 |
| 2 | 191.37.57.172 | Dec 11, 2025 15:19:03 | Jun 28, 2026 16:33:41 | 5 |
| 3 | 191.37.57.29 | Oct 13, 2025 08:57:22 | Nov 15, 2025 00:28:22 | 3 |
| 4 | 191.37.57.69 | Oct 08, 2025 12:48:05 | Sep 24, 2026 15:02:35 | 3 |
191.37.57.172 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 191.37.57.172 contacting my website?
This 191.37.57.172 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 191.37.57.172 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 191.37.57.172?
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 191.37.57.172. 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 191.37.57.172 is currently performing various types of spam and security attacks on websites.

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