5.3.66.79 reported for spam
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Not in list | Aug 17, 2026 16:43:44 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Aug 17, 2026 16:43:44 | |
| 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 | 5.3.64.0/22 |
|---|---|
| Network Spam Rate | – |
| DNS name | 5x3x66x79.dynamic.ulsk.ertelecom.ru |
| AS number | 39028 |
| Org name | JSC ER-Telecom Holding |
| Location | Ulyanovsk, Ulyanovsk Oblast, Russia |
| IP Geolocation | lat: 54.3307; lon: 48.3888 |
| Address | Denis V. Tatarskikh str. Shosse Kosmonavtov, 111, bldg. 43, office 514 614990 Perm RUSSIAN FEDERATION |
| Phone | +7 342 24622 |
| Website | domru.ru |
| AS spam rate | 1.7% |
| Websites hosted on 5.3.66.79 | Data loading |
5.3.64.0/22 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 5.3.67.135(5x3x67x135.dynamic.ulsk.ertelecom.ru) | Aug 07, 2026 23:31:55 | Sep 10, 2026 19:32:39 | 4 |
| 2 | 5.3.66.79(5x3x66x79.dynamic.ulsk.ertelecom.ru) | Aug 07, 2026 01:33:50 | Aug 17, 2026 21:43:44 | 3 |
| 3 | 5.3.64.25(5x3x64x25.dynamic.ulsk.ertelecom.ru) | Aug 04, 2026 12:06:24 | Aug 08, 2026 16:32:26 | 3 |
| 4 | 5.3.64.9(5x3x64x9.dynamic.ulsk.ertelecom.ru) | Jul 29, 2026 22:02:31 | Aug 16, 2026 23:52:09 | 4 |
| 5 | 5.3.67.217(5x3x67x217.dynamic.ulsk.ertelecom.ru) | Jul 09, 2026 15:43:17 | Jul 13, 2026 18:03:56 | 3 |
| 6 | 5.3.64.10(5x3x64x10.dynamic.ulsk.ertelecom.ru) | Mar 06, 2026 10:50:25 | Mar 11, 2026 16:10:21 | 3 |
| 7 | 5.3.64.131(5x3x64x131.dynamic.ulsk.ertelecom.ru) | Feb 14, 2026 02:33:02 | Feb 15, 2026 22:32:30 | 3 |
| 8 | 5.3.65.243(5x3x65x243.dynamic.ulsk.ertelecom.ru) | Aug 14, 2024 12:45:28 | Sep 03, 2024 14:28:58 | 5 |
| 9 | 5.3.65.97(5x3x65x97.dynamic.ulsk.ertelecom.ru) | Apr 01, 2024 17:32:42 | May 01, 2024 16:30:08 | 8 |
| 10 | 5.3.64.43(5x3x64x43.dynamic.ulsk.ertelecom.ru) | Mar 10, 2020 10:45:34 | Apr 26, 2026 09:57:01 | 5 |
5.3.66.79 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 5.3.66.79 contacting my website?
This 5.3.66.79 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 5.3.66.79 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 5.3.66.79?
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 5.3.66.79. 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 5.3.66.79 is currently performing various types of spam and security attacks on websites.
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