138.97.5.142 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 24, 2026 15:05:17 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Sep 24, 2026 15:05:17 | |
| 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 | 138.97.4.0/22 |
|---|---|
| Network Spam Rate | 4% |
| DNS name | cgnat-138-97-5-142.sulnet.net.br |
| AS number | 53112 |
| Org name | SULNET TELECOM |
| Location | Santa Rosa, Rio Grande do Sul, Brazil |
| IP Geolocation | lat: -27.8305; lon: -54.4839 |
| Address | - |
| Phone | - |
| Website | sulnet.net.br |
| AS spam rate | 3.71% |
| Websites hosted on 138.97.5.142 | Data loading |
Brute Force attacks log
| Date/time (GMT) | IP | Nickname | Event |
|---|
138.97.4.0/22 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 138.97.6.81(cgnat-138-97-6-81.sulnet.net.br) | Sep 11, 2026 00:21:33 | Sep 27, 2026 21:17:34 | 6 |
| 2 | 138.97.4.186(cgnat-138-97-4-186.sulnet.net.br) | Aug 24, 2025 17:40:26 | Sep 27, 2026 17:15:01 | 4 |
| 3 | 138.97.7.86(cgnat-138-97-7-86.sulnet.net.br) | Feb 23, 2026 04:36:12 | Sep 27, 2026 05:16:36 | 4 |
| 4 | 138.97.6.244(cgnat-138-97-6-244.sulnet.net.br) | Oct 21, 2025 15:09:26 | Sep 26, 2026 16:38:10 | 5 |
| 5 | 138.97.5.228(cgnat-138-97-5-228.sulnet.net.br) | Oct 14, 2025 07:22:58 | Sep 26, 2026 03:10:59 | 4 |
| 6 | 138.97.5.139(cgnat-138-97-5-139.sulnet.net.br) | Jun 28, 2025 22:40:47 | Sep 25, 2026 02:06:21 | 7 |
| 7 | 138.97.5.146(cgnat-138-97-5-146.sulnet.net.br) | Dec 20, 2024 10:18:20 | Sep 24, 2026 20:12:34 | 6 |
| 8 | 138.97.5.142(cgnat-138-97-5-142.sulnet.net.br) | Jul 01, 2025 03:52:12 | Sep 24, 2026 20:05:17 | 4 |
| 9 | 138.97.5.46(cgnat-138-97-5-46.sulnet.net.br) | Sep 16, 2025 17:45:07 | Sep 24, 2026 08:36:50 | 4 |
138.97.5.142 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 138.97.5.142 contacting my website?
This 138.97.5.142 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 138.97.5.142 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 138.97.5.142?
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 138.97.5.142. 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 138.97.5.142 is currently performing various types of spam and security attacks on websites.
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