104.207.51.221 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 23, 2026 01:51:53 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Sep 23, 2026 01:51:53 | |
| 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 | 104.207.48.0/21parent network: 104.207.32.0/19 |
|---|---|
| Network Spam Rate | 17% |
| DNS name | - |
| AS number | 200373 |
| Org name | 3xK Tech GmbH |
| Location | City of London, England, United Kingdom |
| IP Geolocation | lat: 51.5164; lon: -0.093 |
| Address | Hilton Hall, Hilton Lane, Wolverhampton, England, WV11 2BQ, United Kingdom |
| Phone | - |
| Website | gmail.com |
| AS spam rate | 22.59% |
| Websites hosted on 104.207.51.221 | Data loading |
Brute Force attacks log
| Date/time (GMT) | IP | Nickname | Event |
|---|---|---|---|
| Sep 19, 2026 15:09:16 | 104.207.51.221 | gu** | invalid_username |
| Sep 19, 2026 03:51:42 | 104.207.51.221 | gu** | invalid_username |
| Aug 28, 2026 22:41:04 | 104.207.51.221 | wpad**** | invalid_username |
| Aug 28, 2026 20:27:04 | 104.207.51.221 | wpadmi***** | invalid_username |
104.207.48.0/21 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 104.207.51.190 | Jun 23, 2024 15:00:36 | Sep 23, 2026 16:17:55 | 7 |
| 2 | 104.207.51.125 | Aug 31, 2024 09:05:28 | Sep 23, 2026 16:13:18 | 15 |
| 3 | 104.207.54.156 | May 04, 2024 21:01:06 | Sep 23, 2026 15:58:38 | 24 |
| 4 | 104.207.51.73 | Aug 18, 2024 21:35:26 | Sep 23, 2026 15:50:33 | 57 |
| 5 | 104.207.52.122 | Aug 29, 2024 12:55:30 | Sep 23, 2026 15:47:52 | 7 |
| 6 | 104.207.55.245 | Jun 20, 2024 08:25:28 | Sep 23, 2026 15:37:39 | 101 |
| 7 | 104.207.49.161 | Jan 14, 2020 02:03:25 | Sep 23, 2026 14:52:36 | 10 |
| 8 | 104.207.54.250 | Mar 20, 2020 15:25:55 | Sep 23, 2026 14:36:37 | 18 |
| 9 | 104.207.52.4 | Nov 15, 2019 19:17:57 | Sep 23, 2026 14:36:37 | 43 |
| 10 | 104.207.52.166 | Nov 24, 2019 02:37:16 | Sep 23, 2026 14:31:35 | 83 |
104.207.51.221 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 104.207.51.221 contacting my website?
This 104.207.51.221 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 104.207.51.221 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 104.207.51.221?
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 104.207.51.221. 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 104.207.51.221 is currently performing various types of spam and security attacks on websites.
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