104.37.31.81 reported for spam
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Blacklisted | Oct 01, 2026 23:06:29 | Get Anti-Spam Plugin or API |
| SpamFireWall | Blacklisted | Oct 01, 2026 23:06:29 | |
| 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 | 104.37.31.0/24 |
|---|---|
| Network Spam Rate | 61% |
| DNS name | - |
| AS number | 3257 |
| Org name | GTT Communications Inc. |
| Location | Ashburn, Virginia, United States |
| IP Geolocation | lat: 39.0469; lon: -77.4903 |
| Address | Tinet International Network SpA TINET Accounts Payable Localita Sa Illetta, SS 195, KM 2,300 09122 Cagliari ITALY |
| Phone | +49610282353 |
| Website | gtt.net |
| AS spam rate | 12.38% |
| Websites hosted on 104.37.31.81 | Data loading |
104.37.31.0/24 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 104.37.31.33 | Oct 30, 2018 03:45:40 | Oct 02, 2026 13:51:19 | 254 |
| 2 | 104.37.31.240 | Oct 18, 2018 03:20:24 | Oct 02, 2026 13:18:40 | 184 |
| 3 | 104.37.31.161 | Oct 18, 2025 14:30:31 | Oct 02, 2026 13:04:51 | 6 |
| 4 | 104.37.31.156 | Jul 31, 2025 18:46:58 | Oct 02, 2026 12:37:34 | 5 |
| 5 | 104.37.31.211 | Sep 28, 2018 14:09:24 | Oct 02, 2026 12:37:04 | 292 |
| 6 | 104.37.31.80 | Sep 27, 2018 01:19:41 | Oct 02, 2026 11:59:52 | 4 |
| 7 | 104.37.31.163 | Sep 14, 2025 14:20:07 | Oct 02, 2026 11:58:22 | 5 |
| 8 | 104.37.31.67 | Oct 18, 2025 02:07:32 | Oct 02, 2026 11:33:14 | 4 |
| 9 | 104.37.31.182 | Oct 20, 2025 05:43:53 | Oct 02, 2026 11:03:30 | 7 |
| 10 | 104.37.31.200 | Sep 14, 2018 18:38:31 | Oct 02, 2026 10:55:25 | 5 |
104.37.31.81 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 104.37.31.81 contacting my website?
This 104.37.31.81 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 104.37.31.81 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 104.37.31.81?
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 104.37.31.81. 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 104.37.31.81 is currently performing various types of spam and security attacks on websites.
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