201.16.210.105 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 22, 2026 17:14:47 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Sep 22, 2026 17:14:47 | |
| 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 | 201.16.192.0/18 |
|---|---|
| Network Spam Rate | – |
| DNS name | 201-016-210-105.static.ctbctelecom.com.br |
| AS number | 16735 |
| Org name | ALGAR TELECOM S/A |
| Location | São Paulo, São Paulo, Brazil |
| IP Geolocation | lat: -23.6293; lon: -46.6351 |
| Address | - |
| Phone | - |
| Website | algartelecom.com.br |
| AS spam rate | 0.97% |
| Websites hosted on 201.16.210.105 | Data loading |
Brute Force attacks log
| Date/time (GMT) | IP | Nickname | Event |
|---|---|---|---|
| Sep 28, 2026 22:42:28 | 201.16.210.105 | securit***** | invalid_username |
201.16.192.0/18 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 201.16.252.26(201-016-252-026.static.ctbctelecom.com.br) | Dec 12, 2025 05:05:40 | Sep 24, 2026 21:13:57 | 5 |
| 2 | 201.16.210.105(201-016-210-105.static.ctbctelecom.com.br) | Aug 08, 2025 05:36:09 | Sep 22, 2026 22:14:47 | 5 |
201.16.210.105 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 201.16.210.105 contacting my website?
This 201.16.210.105 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 201.16.210.105 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 201.16.210.105?
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 201.16.210.105. 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 201.16.210.105 is currently performing various types of spam and security attacks on websites.
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