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


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


Status

ServiceStatusUpdatedNext steps
Anti-SpamBlacklistedSep 28, 2026 21:56:47Get Anti-Spam Plugin or API
SpamFireWall Not in listSep 28, 2026 21:56:47
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 Rate13%
DNS name-
AS number13335
Org nameCloudflare, Inc.
LocationHounslow, England, United Kingdom
IP Geolocationlat: 51.4674; lon: -0.3556
Address101 Townsend Street CA 94107 San Francisco UNITED STATES
Phone+1-650-319-8
Websitecloudflare.com
AS spam rate0.52%
Websites hosted on 104.28.163.64Data 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
1104.28.163.104Dec 21, 2019 04:02:29Sep 29, 2026 08:52:0134
2104.28.162.210Jan 04, 2020 22:53:34Sep 29, 2026 08:35:5465
3104.28.163.159Mar 29, 2026 21:09:34Sep 29, 2026 08:24:5215
4104.28.163.153Nov 15, 2019 20:31:54Sep 29, 2026 08:11:4636
5104.28.163.195Apr 26, 2025 00:39:17Sep 29, 2026 08:06:37110
6104.28.162.220Feb 05, 2026 23:48:04Sep 29, 2026 07:32:4310
7104.28.162.203Nov 07, 2019 19:26:02Sep 29, 2026 07:24:3254
8104.28.161.38Nov 08, 2019 10:12:35Sep 29, 2026 07:18:5878
9104.28.163.184Mar 19, 2025 12:00:47Sep 29, 2026 06:12:31113
10104.28.163.116Nov 08, 2019 19:40:13Sep 29, 2026 06:10:5060

CleanTalk API response

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Frequently Asked Questions About 104.28.163.64

  • Why is this 104.28.163.64 contacting my website?

    This 104.28.163.64 may appear due to bots, crawlers, spam submissions, or automated attacks.

  • Is this 104.28.163.64 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 104.28.163.64?

    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 104.28.163.64. 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 104.28.163.64 is currently performing various types of spam and security attacks on websites.

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