172.121.164.168 reported for spam
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Blacklisted | Sep 25, 2026 11:35:46 | Get Anti-Spam Plugin or API |
| SpamFireWall | Blacklisted | Sep 25, 2026 11:35:46 | |
| 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 | 172.121.164.0/24parent network: 172.121.164.0/22 |
|---|---|
| Network Spam Rate | 53% |
| DNS name | - |
| AS number | 3257 |
| Org name | GTT Communications Inc. |
| Location | Santa Clara, California, United States |
| IP Geolocation | lat: 37.3931; lon: -121.962 |
| Address | Tinet International Network SpA TINET Accounts Payable Localita Sa Illetta, SS 195, KM 2,300 09122 Cagliari ITALY |
| Phone | +49610282353 |
| Website | gtt.net |
| AS spam rate | 5.47% |
| Websites hosted on 172.121.164.168 | Data loading |
172.121.164.0/24 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 172.121.164.80 | Jul 21, 2026 05:49:11 | Sep 25, 2026 20:29:29 | 5 |
| 2 | 172.121.164.41 | Jul 20, 2026 05:18:30 | Sep 25, 2026 19:49:14 | 8 |
| 3 | 172.121.164.181 | Oct 13, 2024 10:25:23 | Sep 25, 2026 18:56:51 | 9 |
| 4 | 172.121.164.165 | Jul 23, 2026 06:46:35 | Sep 25, 2026 17:51:02 | 5 |
| 5 | 172.121.164.168 | Jul 21, 2025 14:36:34 | Sep 25, 2026 16:35:46 | 5 |
| 6 | 172.121.164.158 | Sep 30, 2024 05:40:38 | Sep 25, 2026 16:24:24 | 6 |
| 7 | 172.121.164.30 | Oct 23, 2024 16:45:25 | Sep 25, 2026 16:01:22 | 5 |
| 8 | 172.121.164.65 | Aug 17, 2025 10:07:57 | Sep 25, 2026 15:52:20 | 7 |
| 9 | 172.121.164.249 | Oct 01, 2024 06:00:34 | Sep 25, 2026 15:19:11 | 7 |
| 10 | 172.121.164.9 | Jul 23, 2026 06:02:26 | Sep 25, 2026 15:12:38 | 6 |
172.121.164.168 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 172.121.164.168 contacting my website?
This 172.121.164.168 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 172.121.164.168 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 172.121.164.168?
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 172.121.164.168. 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 172.121.164.168 is currently performing various types of spam and security attacks on websites.
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