212.233.187.237 reported for spam
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Not in list | Aug 21, 2026 08:35:12 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Aug 21, 2026 08:35:12 | |
| 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 | 212.233.187.0/24parent network: 212.233.128.0/17 |
|---|---|
| Network Spam Rate | – |
| DNS name | 212-233-187-237.optisprint.net |
| AS number | 29582 |
| Org name | Optisprint OOD |
| Location | Bukovlak, Pleven, Bulgaria |
| IP Geolocation | lat: 43.4539; lon: 24.6165 |
| Address | - |
| Phone | - |
| Website | optisprint.net |
| AS spam rate | 3.72% |
| Websites hosted on 212.233.187.237 | Data loading |
212.233.187.0/24 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 212.233.187.253(212-233-187-253.optisprint.net) | Oct 21, 2025 09:19:55 | Sep 14, 2026 22:30:52 | 6 |
| 2 | 212.233.187.237(212-233-187-237.optisprint.net) | Oct 09, 2025 19:55:55 | Aug 21, 2026 13:35:12 | 4 |
| 3 | 212.233.187.210(212-233-187-210.optisprint.net) | Oct 07, 2025 06:07:12 | Aug 25, 2026 21:54:35 | 4 |
212.233.187.237 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 212.233.187.237 contacting my website?
This 212.233.187.237 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 212.233.187.237 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 212.233.187.237?
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 212.233.187.237. 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 212.233.187.237 is currently performing various types of spam and security attacks on websites.
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