81.66.4.140 reported for spam
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Not in list | Aug 20, 2026 22:30:43 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Aug 20, 2026 22:30:43 | |
| Security FireWall | Not in list | - | Get Security Plugin |
| Block Lists | Data loading | - | Use via API, Files & DNSBL |
| Type of attacks | Spam | ||
Abuse reports
| There are currently no abuse reports for this email/IP. Report Abuse activity |
Details
| Network | 81.66.4.0/22 parent network: 81.64.0.0/14 |
|---|---|
| Network Spam Rate | – |
| DNS name | 140.4.66.81.rev.sfr.net |
| AS number | 15557 |
| Org name | Societe Francaise Du Radiotelephone - SFR SA |
| Location | Lille, Hauts-de-France, France |
| IP Geolocation | lat: 50.6375; lon: 3.0542 |
| | |
| Address | SFR Xavier Caillaud Immeuble Quai Ouest 40-42 Quai Du Point Du Jour 92100 BOULOGNE-BILLANCOURT FRANCE |
| Phone | +33 1 70 18 |
| Website | gaoland.net |
| AS spam rate | 3.41% |
| Websites hosted on 81.66.4.140 | Data loading |
81.66.4.0/22 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 81.66.4.134 (134.4.66.81.rev.sfr.net) | Feb 28, 2026 02:26:02 | Oct 17, 2026 14:29:51 | 3 |
| 2 | 81.66.4.140 (140.4.66.81.rev.sfr.net) | Aug 06, 2025 11:39:55 | Aug 21, 2026 03:30:43 | 17 |
81.66.4.140 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
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Why is this 81.66.4.140 contacting my website?
This 81.66.4.140 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 81.66.4.140 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 81.66.4.140?
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 81.66.4.140. 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 81.66.4.140 is currently performing various types of spam and security attacks on websites.
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