189.51.25.157 reported for spam, and brute force attacks
1 brute force attacks, last activity .
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Not in list | Aug 17, 2026 13:58:25 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Aug 17, 2026 13:58:25 | |
| Security FireWall | Not in list | - | Get Security Plugin |
| Block Lists | Data loading | - | Use via API, Files & DNSBL |
| Type of attacks | Spam, BruteForce | ||
Abuse reports
| There are currently no abuse reports for this email/IP. Report Abuse activity |
Details
| Network | 189.51.24.0/23 parent network: 189.51.24.0/21 |
|---|---|
| Network Spam Rate | 2% |
| DNS name | 189-51-25-157.sempre.tec.br |
| AS number | 28198 |
| Org name | SEMPRE TELECOMUNICACOES LTDA |
| Location | Campo Belo, Minas Gerais, Brazil |
| IP Geolocation | lat: -20.9257; lon: -45.237 |
| | |
| Address | - |
| Phone | - |
| Website | isimples.com.br |
| AS spam rate | 4.17% |
| Websites hosted on 189.51.25.157 | Data loading |
Brute Force attacks log
| Date/time (GMT) | IP | Nickname | Event |
|---|---|---|---|
| Nov 03, 2026 07:58:36 | 189.51.25.157 | admind***** | invalid_username |
189.51.24.0/23 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 189.51.25.213 (189-51-25-213.sempre.tec.br) | Apr 01, 2026 00:27:02 | Sep 24, 2026 22:31:03 | 3 |
| 2 | 189.51.25.40 (189-51-25-40.sempre.tec.br) | Mar 08, 2026 06:09:21 | Sep 01, 2026 14:30:42 | 5 |
| 3 | 189.51.25.227 (189-51-25-227.sempre.tec.br) | Feb 11, 2026 09:15:39 | Oct 13, 2026 01:47:50 | 3 |
| 4 | 189.51.25.254 (189-51-25-254.sempre.tec.br) | Jan 12, 2026 03:27:30 | Oct 06, 2026 13:23:50 | 3 |
| 5 | 189.51.25.235 (189-51-25-235.sempre.tec.br) | Dec 06, 2025 09:22:35 | Oct 12, 2026 03:37:24 | 3 |
| 6 | 189.51.25.110 (189-51-25-110.sempre.tec.br) | Nov 02, 2025 23:17:36 | Oct 26, 2026 19:56:00 | 3 |
| 7 | 189.51.25.149 (189-51-25-149.sempre.tec.br) | Oct 30, 2025 11:17:41 | Sep 29, 2026 14:55:44 | 4 |
| 8 | 189.51.25.233 (189-51-25-233.sempre.tec.br) | Oct 29, 2025 17:05:30 | Nov 05, 2026 07:19:11 | 4 |
| 9 | 189.51.25.143 (189-51-25-143.sempre.tec.br) | Oct 26, 2025 10:24:20 | Nov 04, 2026 09:27:29 | 4 |
| 10 | 189.51.25.157 (189-51-25-157.sempre.tec.br) | Oct 22, 2025 07:06:19 | Aug 17, 2026 18:58:25 | 3 |
189.51.25.157 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
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Why is this 189.51.25.157 contacting my website?
This 189.51.25.157 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 189.51.25.157 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 189.51.25.157?
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 189.51.25.157. 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 189.51.25.157 is currently performing various types of spam and security attacks on websites.
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