191.243.37.158 reported for spam
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Blacklisted | Oct 20, 2026 01:21:39 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Oct 20, 2026 01:21:39 | |
| 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 | 191.243.36.0/23 |
|---|---|
| Network Spam Rate | 7% |
| DNS name | residencial-191-243-37-158.maxriomafra.net.br |
| AS number | 263492 |
| Org name | VIPMAX INTERNET LTDA |
| Location | Mafra, Santa Catarina, Brazil |
| IP Geolocation | lat: -26.1105; lon: -49.8013 |
| | |
| Address | - |
| Phone | - |
| Website | hotmail.com |
| AS spam rate | 0% |
| Websites hosted on 191.243.37.158 | Data loading |
191.243.36.0/23 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 191.243.36.180 (empresarial-191-243-36-180.maxriomafra.net.br) | Sep 07, 2025 20:12:48 | Nov 04, 2026 22:16:43 | 11 |
| 2 | 191.243.36.137 (empresarial-191-243-36-137.maxriomafra.net.br) | May 25, 2024 23:15:25 | Oct 30, 2026 02:21:57 | 8 |
| 3 | 191.243.36.186 (empresarial-191-243-36-186.maxriomafra.net.br) | Nov 30, 2020 20:06:07 | Oct 29, 2026 23:33:25 | 7 |
| 4 | 191.243.36.131 (empresarial-191-243-36-131.maxriomafra.net.br) | Dec 16, 2024 15:20:31 | Oct 29, 2026 22:55:41 | 11 |
| 5 | 191.243.36.221 (empresarial-191-243-36-221.maxriomafra.net.br) | Aug 22, 2025 14:56:59 | Oct 25, 2026 13:25:16 | 11 |
| 6 | 191.243.37.129 (residencial-191-243-37-129.maxriomafra.net.br) | Jul 21, 2025 08:09:29 | Oct 24, 2026 11:55:08 | 5 |
| 7 | 191.243.37.158 (residencial-191-243-37-158.maxriomafra.net.br) | Oct 12, 2022 18:55:18 | Oct 20, 2026 06:21:39 | 4 |
| 8 | 191.243.36.241 (empresarial-191-243-36-241.maxriomafra.net.br) | Jan 06, 2026 17:49:26 | Oct 19, 2026 15:02:40 | 4 |
191.243.37.158 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
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Why is this 191.243.37.158 contacting my website?
This 191.243.37.158 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 191.243.37.158 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 191.243.37.158?
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 191.243.37.158. 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 191.243.37.158 is currently performing various types of spam and security attacks on websites.
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