171.231.28.28 reported for spam
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Not in list | Dec 21, 2025 03:37:37 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Dec 21, 2025 03:37:37 | |
| 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 | 171.231.28.0/22parent network: 171.231.16.0/20 |
|---|---|
| Network Spam Rate | – |
| DNS name | dynamic-ip-adsl.viettel.vn |
| AS number | 7552 |
| Org name | Viettel Group |
| Location | Da Nang, Da Nang, Vietnam |
| IP Geolocation | lat: 16.0685; lon: 108.2215 |
| Address | - |
| Phone | - |
| Website | viettel.com.vn |
| AS spam rate | 3.01% |
| Websites hosted on 171.231.28.28 | Data loading |
171.231.28.0/22 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 171.231.29.184(dynamic-ip-adsl.viettel.vn) | Jul 19, 2026 14:56:38 | Jul 22, 2026 07:24:47 | 3 |
| 2 | 171.231.28.183(dynamic-ip-adsl.viettel.vn) | Jun 24, 2026 07:42:51 | Sep 14, 2026 02:13:42 | 3 |
| 3 | 171.231.28.127(dynamic-ip-adsl.viettel.vn) | Jun 23, 2026 21:07:39 | Jul 07, 2026 22:57:33 | 3 |
| 4 | 171.231.31.116(dynamic-adsl.viettel.vn) | Jun 02, 2026 21:42:27 | Jun 30, 2026 16:30:32 | 127 |
| 5 | 171.231.30.214(dynamic-adsl.viettel.vn) | Nov 27, 2025 11:33:16 | Dec 05, 2025 06:00:57 | 3 |
| 6 | 171.231.28.28(dynamic-ip-adsl.viettel.vn) | Nov 25, 2025 19:00:08 | Dec 21, 2025 08:37:37 | 6 |
171.231.28.28 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 171.231.28.28 contacting my website?
This 171.231.28.28 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 171.231.28.28 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 171.231.28.28?
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 171.231.28.28. 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 171.231.28.28 is currently performing various types of spam and security attacks on websites.
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