104.28.237.72 is blacklisted, reported for spam, and brute force attacks
5 brute force attacks, last activity .
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Blacklisted | Nov 02, 2026 09:20:37 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Nov 02, 2026 09:20:37 | |
| Security FireWall | Not in list | - | Get Security Plugin |
| Block Lists | Data loading | - | Use via API, Files & DNSBL |
| Type of attacks | Spam, BruteForce, Brute Force Attacks, Hacking, Other Online Attacks | ||
Abuse reports
Report IP or Email addresses with spam or other malicious activity |
By Anonymous Details
| Network | 104.28.236.0/22 parent network: 104.28.224.0/20 |
|---|---|
| Network Spam Rate | 2% |
| DNS name | - |
| AS number | 13335 |
| Org name | Cloudflare, Inc. |
| Location | Ho Chi Minh City, Ho Chi Minh, Vietnam |
| IP Geolocation | lat: 10.822; lon: 106.6257 |
| | |
| Address | 101 Townsend Street CA 94107 San Francisco UNITED STATES |
| Phone | +1-650-319-8 |
| Website | cloudflare.com |
| AS spam rate | 0.55% |
| Websites hosted on 104.28.237.72 | Data loading |
Brute Force attacks log
| Date/time (GMT) | IP | Nickname | Event |
|---|---|---|---|
| Oct 27, 2026 11:20:03 | 104.28.237.72 | 84** | invalid_username |
| Oct 27, 2026 08:36:05 | 104.28.237.72 | ad** | invalid_username |
| Oct 09, 2026 15:21:20 | 104.28.237.72 | ad** | invalid_username |
| Oct 08, 2026 13:35:06 | 104.28.237.72 | ad** | invalid_username |
104.28.236.0/22 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 104.28.237.74 | Nov 19, 2019 00:28:05 | Nov 02, 2026 15:50:47 | 190 |
| 2 | 104.28.237.72 | Dec 04, 2019 11:06:21 | Nov 02, 2026 14:20:37 | 70 |
| 3 | 104.28.237.70 | Nov 18, 2019 22:20:58 | Nov 02, 2026 06:29:49 | 42 |
| 4 | 104.28.237.73 | Nov 24, 2019 01:32:04 | Nov 02, 2026 00:36:20 | 136 |
| 5 | 104.28.239.218 | May 09, 2023 06:50:22 | Nov 01, 2026 16:15:54 | 62 |
| 6 | 104.28.239.220 | Sep 01, 2022 00:40:32 | Nov 01, 2026 09:53:20 | 45 |
| 7 | 104.28.239.219 | Aug 11, 2020 16:03:52 | Nov 01, 2026 05:23:39 | 47 |
| 8 | 104.28.237.112 | Nov 13, 2019 19:39:42 | Oct 29, 2026 16:54:16 | 30 |
104.28.237.72 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
-
Why is this 104.28.237.72 contacting my website?
This 104.28.237.72 may appear due to bots, crawlers, spam submissions, or automated attacks.
-
Is this 104.28.237.72 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.
-
How do I block 104.28.237.72?
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
-
Is this a bot or hacker?
It depends on the activity of the 104.28.237.72. 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.
-
What does "Blacklisted" mean?
It means the 104.28.237.72 is currently performing various types of spam and security attacks on websites.
Your Website Deserves Better Protection
Eliminate spam before it even reaches your inbox.
Get Anti-Spam
