174.103.21.172 reported for spam
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Blacklisted | Sep 27, 2026 13:36:47 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Sep 27, 2026 13:36:47 | |
| 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 | 174.103.20.0/22parent network: 174.103.0.0/18 |
|---|---|
| Network Spam Rate | 1% |
| DNS name | syn-174-103-021-172.res.spectrum.com |
| AS number | 10796 |
| Org name | Charter Communications Inc |
| Location | Dayton, Ohio, United States |
| IP Geolocation | lat: 39.8356; lon: -84.2672 |
| Address | - |
| Phone | - |
| Website | chartercom.com |
| AS spam rate | 3.38% |
| Websites hosted on 174.103.21.172 | Data loading |
174.103.20.0/22 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 174.103.21.172(syn-174-103-021-172.res.spectrum.com) | Jul 31, 2026 13:19:32 | Sep 27, 2026 18:36:47 | 27 |
| 2 | 174.103.23.208(syn-174-103-023-208.res.spectrum.com) | Sep 13, 2026 23:20:41 | Sep 22, 2026 19:24:40 | 6 |
| 3 | 174.103.21.162(syn-174-103-021-162.res.spectrum.com) | Jan 14, 2026 11:33:18 | Sep 21, 2026 20:42:16 | 6 |
| 4 | 174.103.23.241(syn-174-103-023-241.res.spectrum.com) | Sep 15, 2026 03:44:03 | Sep 21, 2026 07:20:00 | 8 |
| 5 | 174.103.20.19(syn-174-103-020-019.res.spectrum.com) | Sep 13, 2025 13:06:42 | Sep 18, 2026 06:09:14 | 15 |
174.103.21.172 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 174.103.21.172 contacting my website?
This 174.103.21.172 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 174.103.21.172 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 174.103.21.172?
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 174.103.21.172. 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 174.103.21.172 is currently performing various types of spam and security attacks on websites.
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