104.207.37.81 is blacklisted, reported for spam, and brute force attacks
1 brute force attacks, last activity .
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Blacklisted | Oct 01, 2026 19:26:01 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Oct 01, 2026 19:26:01 | |
| 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 | 104.207.37.0/24parent network: 104.207.32.0/19 |
|---|---|
| Network Spam Rate | 35% |
| DNS name | - |
| AS number | 200373 |
| Org name | 3xK Tech GmbH |
| Location | Ashburn, Virginia, United States |
| IP Geolocation | lat: 39.0469; lon: -77.4903 |
| Address | Hilton Hall, Hilton Lane, Wolverhampton, England, WV11 2BQ, United Kingdom |
| Phone | - |
| Website | gmail.com |
| AS spam rate | 24.23% |
| Websites hosted on 104.207.37.81 | Data loading |
Brute Force attacks log
| Date/time (GMT) | IP | Nickname | Event |
|---|---|---|---|
| Aug 31, 2026 07:32:01 | 104.207.37.81 | opal**** | invalid_username |
104.207.37.0/24 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 104.207.37.59 | Aug 27, 2024 20:25:30 | Oct 02, 2026 01:48:13 | 23 |
| 2 | 104.207.37.72 | Oct 20, 2024 11:15:25 | Oct 02, 2026 01:00:49 | 9 |
| 3 | 104.207.37.5 | Oct 30, 2024 00:40:30 | Oct 02, 2026 00:44:38 | 17 |
| 4 | 104.207.37.169 | May 17, 2024 01:05:38 | Oct 02, 2026 00:37:46 | 37 |
| 5 | 104.207.37.147 | Oct 20, 2024 04:50:25 | Oct 02, 2026 00:33:48 | 12 |
| 6 | 104.207.37.81 | Oct 15, 2024 11:02:31 | Oct 02, 2026 00:26:01 | 19 |
| 7 | 104.207.37.172 | Nov 03, 2024 05:50:23 | Oct 02, 2026 00:01:43 | 79 |
| 8 | 104.207.37.131 | Jun 20, 2024 03:55:29 | Oct 01, 2026 23:25:32 | 22 |
| 9 | 104.207.37.195 | Nov 24, 2019 04:21:14 | Oct 01, 2026 23:09:40 | 29 |
| 10 | 104.207.37.70 | Sep 13, 2024 23:50:34 | Oct 01, 2026 22:38:05 | 21 |
104.207.37.81 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 104.207.37.81 contacting my website?
This 104.207.37.81 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 104.207.37.81 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 104.207.37.81?
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 104.207.37.81. 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 104.207.37.81 is currently performing various types of spam and security attacks on websites.
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