201.81.1.181 reported for spam
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Blacklisted | Sep 24, 2026 06:42:13 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Sep 24, 2026 06:42:13 | |
| Security FireWall | Not in list | - | Get Security Plugin |
| Block Lists | Data loading | - | Sign Up for API, Files, DNSBL & Online Access |
| Type of attacks | Spam | ||
Abuse reports
| There are currently no abuse reports for this email/IP. Report Abuse activity |
Details
| Network | 201.81.0.0/22parent network: 201.81.0.0/19 |
|---|---|
| Network Spam Rate | 7% |
| DNS name | c95101b5.virtua.com.br |
| AS number | 28573 |
| Org name | Claro NXT Telecomunicacoes Ltda |
| Location | São Paulo, São Paulo, Brazil |
| IP Geolocation | lat: -23.5475; lon: -46.6361 |
| Address | - |
| Phone | - |
| Website | net.com.br |
| AS spam rate | 1.95% |
| Websites hosted on 201.81.1.181 | Data loading |
201.81.0.0/22 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 201.81.2.103(c9510267.virtua.com.br) | Jul 31, 2025 14:44:37 | Sep 25, 2026 07:59:10 | 12 |
| 2 | 201.81.3.36(c9510324.virtua.com.br) | Aug 11, 2025 16:47:39 | Sep 25, 2026 06:10:07 | 5 |
| 3 | 201.81.3.133(c9510385.virtua.com.br) | Aug 09, 2025 01:31:39 | Sep 25, 2026 03:51:07 | 6 |
| 4 | 201.81.2.188(c95102bc.virtua.com.br) | Oct 12, 2025 23:48:01 | Sep 25, 2026 00:14:38 | 8 |
| 5 | 201.81.1.189(c95101bd.virtua.com.br) | Sep 05, 2025 21:15:00 | Sep 24, 2026 23:27:14 | 8 |
| 6 | 201.81.1.113(c9510171.virtua.com.br) | Oct 09, 2025 12:00:53 | Sep 24, 2026 16:37:45 | 7 |
| 7 | 201.81.1.181(c95101b5.virtua.com.br) | Oct 10, 2025 16:42:36 | Sep 24, 2026 11:42:13 | 6 |
| 8 | 201.81.3.0(c9510300.virtua.com.br) | Aug 29, 2025 18:32:03 | Sep 24, 2026 08:07:17 | 4 |
| 9 | 201.81.1.81(c9510151.virtua.com.br) | Feb 03, 2026 01:26:40 | Sep 24, 2026 03:26:39 | 4 |
| 10 | 201.81.0.64(c9510040.virtua.com.br) | Oct 22, 2025 12:03:37 | Sep 23, 2026 20:50:50 | 9 |
201.81.1.181 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 201.81.1.181 contacting my website?
This 201.81.1.181 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 201.81.1.181 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 201.81.1.181?
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 201.81.1.181. 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 201.81.1.181 is currently performing various types of spam and security attacks on websites.
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