121.16.26.172 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 30, 2026 05:51:29 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Sep 30, 2026 05:51:29 | |
| 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 | 121.16.24.0/22parent network: 121.16.0.0/13 |
|---|---|
| Network Spam Rate | 3% |
| DNS name | - |
| AS number | 4837 |
| Org name | CHINA UNICOM China169 Backbone |
| Location | China |
| IP Geolocation | lat: 34.7732; lon: 113.722 |
| Address | - |
| Phone | - |
| Website | chinaunicom.cn |
| AS spam rate | 0.13% |
| Websites hosted on 121.16.26.172 | Data loading |
Brute Force attacks log
| Date/time (GMT) | IP | Nickname | Event |
|---|---|---|---|
| Sep 30, 2026 11:56:35 | 121.16.26.172 | jaimieh***** | invalid_username |
121.16.24.0/22 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 121.16.26.178 | Dec 28, 2025 17:05:44 | Sep 30, 2026 23:53:44 | 9 |
| 2 | 121.16.26.172 | Jan 17, 2024 09:02:35 | Sep 30, 2026 10:51:29 | 55 |
| 3 | 121.16.26.206 | Feb 19, 2024 09:11:43 | Sep 29, 2026 04:47:23 | 50 |
| 4 | 121.16.26.103 | Jul 30, 2025 21:01:25 | Sep 28, 2026 15:51:44 | 21 |
| 5 | 121.16.26.24 | Dec 08, 2024 09:05:37 | Sep 28, 2026 02:52:45 | 113 |
| 6 | 121.16.26.11 | May 17, 2023 02:15:52 | Sep 27, 2026 11:54:47 | 130 |
| 7 | 121.16.26.23 | Mar 07, 2023 03:05:48 | Sep 27, 2026 07:53:00 | 72 |
| 8 | 121.16.26.122 | Mar 02, 2025 21:06:20 | Sep 26, 2026 21:57:36 | 77 |
| 9 | 121.16.26.242 | Apr 09, 2023 18:10:23 | Sep 26, 2026 11:52:31 | 16 |
| 10 | 121.16.26.222 | Jan 02, 2025 03:06:17 | Sep 26, 2026 10:53:47 | 9 |
121.16.26.172 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 121.16.26.172 contacting my website?
This 121.16.26.172 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 121.16.26.172 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 121.16.26.172?
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 121.16.26.172. 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 121.16.26.172 is currently performing various types of spam and security attacks on websites.
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