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


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


Status

ServiceStatusUpdatedNext steps
Anti-SpamBlacklistedSep 21, 2026 23:28:13Get Anti-Spam Plugin or API
SpamFireWall Not in listSep 21, 2026 23:28:13
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.

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Details

Network104.28.164.0/22parent network: 104.28.160.0/20
Network Spam Rate8%
DNS name-
AS number13335
Org nameCloudflare, Inc.
LocationNew York, New York, United States
IP Geolocationlat: 40.7126; lon: -74.0066
Address101 Townsend Street CA 94107 San Francisco UNITED STATES
Phone+1-650-319-8
Websitecloudflare.com
AS spam rate0.49%
Websites hosted on 104.28.165.77Data 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

104.28.164.0/22 spam active IP addresses

#Address (DNS name)DetectedLast seenAttacked sites
1104.28.165.168Dec 11, 2019 15:36:02Sep 22, 2026 21:35:2324
2104.28.166.48Dec 29, 2025 06:31:42Sep 22, 2026 21:30:4534
3104.28.166.10Jan 16, 2026 02:20:59Sep 22, 2026 21:10:5399
4104.28.165.121May 01, 2026 18:43:01Sep 22, 2026 12:59:4925
5104.28.166.9Jan 15, 2026 21:11:46Sep 22, 2026 07:40:52154
6104.28.165.77Dec 29, 2025 09:46:01Sep 22, 2026 04:28:1361
7104.28.165.69Dec 29, 2025 06:35:44Sep 22, 2026 02:35:5660
8104.28.165.36Nov 08, 2019 21:02:27Sep 22, 2026 02:08:5618
9104.28.166.50Dec 17, 2025 14:49:32Sep 22, 2026 00:10:0326
10104.28.165.236Nov 22, 2025 07:25:40Sep 21, 2026 22:15:1824

CleanTalk API response

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Frequently Asked Questions About 104.28.165.77

  • Why is this 104.28.165.77 contacting my website?

    This 104.28.165.77 may appear due to bots, crawlers, spam submissions, or automated attacks.

  • Is this 104.28.165.77 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 104.28.165.77?

    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 104.28.165.77. 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 104.28.165.77 is currently performing various types of spam and security attacks on websites.

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