104.28.161.38 is blacklisted, reported for spam, and brute force attacks


78 websites attacked, discovered , last activity .
5 brute force attacks, last activity .
This address has registered spam on several websites and is currently blacklisted.


Status

ServiceStatusUpdatedNext steps
Anti-SpamBlacklistedSep 29, 2026 02:18:58Get Anti-Spam Plugin or API
SpamFireWall Not in listSep 29, 2026 02:18:58
Security FireWall  Not in list-Get Security Plugin
Block Lists
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-Sign Up for API, Files, DNSBL & Online Access
Type of attacksSpam, BruteForce

Abuse reports

There are currently no abuse reports for this email/IP.

Report Abuse activity

Details

Network104.28.160.0/22parent network: 104.28.160.0/20
Network Spam Rate12%
DNS name-
AS number13335
Org nameCloudflare, Inc.
LocationDomodedovo, Moscow Oblast, Russia
IP Geolocationlat: 55.4501; lon: 37.7467
Address101 Townsend Street CA 94107 San Francisco UNITED STATES
Phone+1-650-319-8
Websitecloudflare.com
AS spam rate0.52%
Websites hosted on 104.28.161.38Data loading

spam attacks, abuse log

#Date/ time (GMT)Sender IPSender EmailNicknameAnti-Spam app
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Brute Force attacks log

Date/time (GMT)IPNicknameEvent

104.28.160.0/22 spam active IP addresses

#Address (DNS name)DetectedLast seenAttacked sites
1104.28.161.140Feb 05, 2026 23:47:44Sep 30, 2026 08:17:5714
2104.28.161.139Feb 05, 2026 23:47:36Sep 30, 2026 07:25:5814
3104.28.162.220Feb 05, 2026 23:48:04Sep 30, 2026 07:09:0210
4104.28.163.182Jun 06, 2025 15:01:23Sep 30, 2026 06:05:46165
5104.28.163.89Nov 11, 2019 11:48:34Sep 30, 2026 06:04:2942
6104.28.163.247Apr 10, 2025 15:06:22Sep 30, 2026 06:03:3733
7104.28.163.64Nov 11, 2019 17:46:06Sep 30, 2026 05:44:5936
8104.28.163.158Mar 29, 2026 06:31:18Sep 30, 2026 04:36:1926
9104.28.163.108Dec 08, 2019 15:22:37Sep 30, 2026 04:18:0832
10104.28.163.92Dec 06, 2019 07:11:41Sep 30, 2026 02:46:2762

CleanTalk API response

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Frequently Asked Questions About 104.28.161.38

  • Why is this 104.28.161.38 contacting my website?

    This 104.28.161.38 may appear due to bots, crawlers, spam submissions, or automated attacks.

  • Is this 104.28.161.38 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 104.28.161.38?

    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 104.28.161.38. 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 104.28.161.38 is currently performing various types of spam and security attacks on websites.

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