91.105.181.6 reported for spam
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Blacklisted | Sep 07, 2026 03:29:15 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Sep 07, 2026 03:29:15 | |
| 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 | 91.105.128.0/18 |
|---|---|
| Network Spam Rate | – |
| DNS name | host-91-105-181-6.bbcustomer.zsttk.net |
| AS number | 21127 |
| Org name | Joint Stock Company TransTeleCom |
| Location | Kemerovo, Kemerovo Oblast, Russia |
| IP Geolocation | lat: 55.3542; lon: 86.1043 |
| Address | JSC Zap-Sib TransTeleCom Ivan M Makarenko Komsomolskiy prospect 1, build 4 630004 Novosibirsk PO BOX 103 RUSSIAN FEDERATION |
| Phone | +7 383 33581 |
| Website | zsttk.ru |
| AS spam rate | 2.6% |
| Websites hosted on 91.105.181.6 | Data loading |
91.105.128.0/18 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 91.105.139.27(host-91-105-139-27.bbcustomer.zsttk.net) | Jan 22, 2026 10:32:44 | Sep 24, 2026 20:51:53 | 6 |
| 2 | 91.105.141.43(host-91-105-141-43.bbcustomer.zsttk.net) | Dec 22, 2016 07:47:07 | Sep 12, 2026 09:20:03 | 4 |
| 3 | 91.105.181.6(host-91-105-181-6.bbcustomer.zsttk.net) | Aug 13, 2026 10:10:00 | Sep 07, 2026 08:29:15 | 5 |
91.105.181.6 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 91.105.181.6 contacting my website?
This 91.105.181.6 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 91.105.181.6 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 91.105.181.6?
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 91.105.181.6. 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 91.105.181.6 is currently performing various types of spam and security attacks on websites.
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