172.121.43.11 reported for spam
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Not in list | Oct 16, 2026 15:05:59 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Oct 16, 2026 15:05:59 | |
| Security FireWall | Not in list | - | Get Security Plugin |
| Block Lists | Data loading | - | Use via API, Files & DNSBL |
| Type of attacks | Spam | ||
Abuse reports
| There are currently no abuse reports for this email/IP. Report Abuse activity |
Details
| Network | 172.121.40.0/22 parent network: 172.120.0.0/15 |
|---|---|
| Network Spam Rate | 5% |
| DNS name | - |
| AS number | 212238 |
| Org name | Datacamp Limited |
| Location | Frankfurt am Main, Hesse, Germany |
| IP Geolocation | lat: 50.1084; lon: 8.6837 |
| | |
| Address | 207 Regent Street W1B 3HH London UNITED KINGDOM |
| Phone | +420777873767 |
| Website | cdn77.com |
| AS spam rate | 12.65% |
| Websites hosted on 172.121.43.11 | Data loading |
172.121.40.0/22 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 172.121.43.224 | Oct 06, 2026 16:39:20 | Oct 12, 2026 09:36:18 | 5 |
| 2 | 172.121.43.110 | Oct 01, 2026 04:04:23 | Oct 11, 2026 22:55:35 | 5 |
| 3 | 172.121.43.139 | Oct 06, 2026 22:20:04 | Oct 11, 2026 20:52:18 | 4 |
| 4 | 172.121.43.209 | Oct 01, 2026 00:55:43 | Oct 11, 2026 16:19:37 | 7 |
| 5 | 172.121.43.115 | Sep 28, 2026 17:32:41 | Oct 11, 2026 15:58:47 | 7 |
| 6 | 172.121.43.82 | Sep 28, 2026 20:37:18 | Oct 11, 2026 14:07:42 | 4 |
172.121.43.11 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
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Why is this 172.121.43.11 contacting my website?
This 172.121.43.11 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 172.121.43.11 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 172.121.43.11?
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 172.121.43.11. 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 172.121.43.11 is currently performing various types of spam and security attacks on websites.
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