219.100.37.239 is blacklisted, reported for spam, and brute force attacks
1 brute force attacks, last activity .
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Blacklisted | Oct 02, 2026 10:44:17 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Oct 02, 2026 10:44:17 | |
| Security FireWall | Not in list | - | Get Security Plugin |
| Block Lists | Data loading | - | Sign Up for API, Files, DNSBL & Online Access |
| Type of attacks | Spam, BruteForce | ||
Abuse reports
Report IP or Email addresses with spam or other malicious activity |
Details
| Network | 219.100.37.0/24 |
|---|---|
| Network Spam Rate | 3% |
| DNS name | public-nat-07.vpngate.v4.open.ad.jp |
| AS number | 36599 |
| Org name | SoftEther Telecommunication Research Institute, LLC |
| Location | Japan |
| IP Geolocation | lat: 35.69; lon: 139.69 |
| Address | - |
| Phone | - |
| Website | rt.open.ad.jp |
| AS spam rate | 0% |
| Websites hosted on 219.100.37.239 | Data loading |
Brute Force attacks log
| Date/time (GMT) | IP | Nickname | Event |
|---|
219.100.37.0/24 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 219.100.37.239(public-nat-07.vpngate.v4.open.ad.jp) | Dec 28, 2019 11:54:34 | Oct 02, 2026 15:44:17 | 101 |
| 2 | 219.100.37.238(public-nat-06.vpngate.v4.open.ad.jp) | Dec 24, 2019 10:00:15 | Oct 02, 2026 09:50:44 | 348 |
| 3 | 219.100.37.243(public-nat-11.vpngate.v4.open.ad.jp) | Jan 08, 2020 00:53:23 | Oct 02, 2026 09:29:14 | 129 |
| 4 | 219.100.37.233(public-nat-01.vpngate.v4.open.ad.jp) | Mar 16, 2023 11:30:49 | Sep 30, 2026 22:32:51 | 39 |
| 5 | 219.100.37.240(public-nat-08.vpngate.v4.open.ad.jp) | Dec 27, 2019 14:31:24 | Sep 30, 2026 20:52:58 | 193 |
| 6 | 219.100.37.234(public-nat-02.vpngate.v4.open.ad.jp) | Dec 27, 2019 19:20:57 | Sep 29, 2026 19:28:54 | 92 |
219.100.37.239 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 219.100.37.239 contacting my website?
This 219.100.37.239 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 219.100.37.239 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 219.100.37.239?
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 219.100.37.239. 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 219.100.37.239 is currently performing various types of spam and security attacks on websites.

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