186.194.253.74 is blacklisted, reported for spam, and brute force attacks
1 brute force attacks, last activity .
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Blacklisted | Sep 25, 2026 02:22:13 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Sep 25, 2026 02:22:13 | |
| Security FireWall | Not in list | - | Get Security Plugin |
| Block Lists | Data loading | - | Sign Up for API, Files, DNSBL & Online Access |
| Type of attacks | Spam, BruteForce | ||
Abuse reports
| There are currently no abuse reports for this email/IP. Report Abuse activity |
Details
| Network | 186.194.252.0/23parent network: 186.194.240.0/20 |
|---|---|
| Network Spam Rate | 5% |
| DNS name | 186-194-253-74.sempre.tec.br |
| AS number | 28198 |
| Org name | SEMPRE TELECOMUNICACOES LTDA |
| Location | Betim, Minas Gerais, Brazil |
| IP Geolocation | lat: -19.9644; lon: -44.1969 |
| Address | - |
| Phone | - |
| Website | isimples.com.br |
| AS spam rate | 5.79% |
| Websites hosted on 186.194.253.74 | Data loading |
Brute Force attacks log
| Date/time (GMT) | IP | Nickname | Event |
|---|
186.194.252.0/23 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 186.194.253.165(186-194-253-165.sempre.tec.br) | Dec 25, 2024 01:51:21 | Sep 28, 2026 18:30:44 | 4 |
| 2 | 186.194.253.66(186-194-253-66.sempre.tec.br) | Aug 01, 2025 06:54:21 | Sep 28, 2026 09:10:06 | 4 |
| 3 | 186.194.253.134(186-194-253-134.sempre.tec.br) | Sep 12, 2025 05:04:53 | Sep 27, 2026 18:39:51 | 4 |
| 4 | 186.194.253.107(186-194-253-107.sempre.tec.br) | Jun 23, 2025 15:03:20 | Sep 25, 2026 09:14:07 | 5 |
| 5 | 186.194.253.74(186-194-253-74.sempre.tec.br) | Jul 26, 2025 08:02:54 | Sep 25, 2026 07:22:13 | 4 |
| 6 | 186.194.253.89(186-194-253-89.sempre.tec.br) | Aug 09, 2025 02:46:33 | Sep 24, 2026 19:07:10 | 5 |
| 7 | 186.194.253.16(186-194-253-16.sempre.tec.br) | Jan 08, 2025 00:42:22 | Sep 11, 2026 22:14:01 | 13 |
186.194.253.74 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 186.194.253.74 contacting my website?
This 186.194.253.74 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 186.194.253.74 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 186.194.253.74?
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 186.194.253.74. 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 186.194.253.74 is currently performing various types of spam and security attacks on websites.
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