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


42 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 30, 2026 08:14:47Get Anti-Spam Plugin or API
SpamFireWall Not in listSep 30, 2026 08:14:47
Security FireWall  Not in list-Get Security Plugin
Block Lists
Data loading
-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.
LocationDreieich, Hesse, Germany
IP Geolocationlat: 50.0188; lon: 8.6956
Address101 Townsend Street CA 94107 San Francisco UNITED STATES
Phone+1-650-319-8
Websitecloudflare.com
AS spam rate0.52%
Websites hosted on 104.28.163.89Data loading

spam attacks, abuse log

#Date/ time (GMT)Sender IPSender EmailNicknameAnti-Spam app
Data loading

Brute Force attacks log

Date/time (GMT)IPNicknameEvent

104.28.160.0/22 spam active IP addresses

#Address (DNS name)DetectedLast seenAttacked sites
1104.28.161.163Nov 28, 2025 16:07:32Sep 30, 2026 13:37:1310
2104.28.161.139Feb 05, 2026 23:47:36Sep 30, 2026 13:34:3214
3104.28.163.184Mar 19, 2025 12:00:47Sep 30, 2026 13:23:41113
4104.28.163.89Nov 11, 2019 11:48:34Sep 30, 2026 13:14:4742
5104.28.162.15Feb 05, 2026 22:37:57Sep 30, 2026 12:48:4814
6104.28.163.182Jun 06, 2025 15:01:23Sep 30, 2026 12:25:08165
7104.28.163.92Dec 06, 2019 07:11:41Sep 30, 2026 12:21:3562
8104.28.163.196Apr 29, 2025 10:03:21Sep 30, 2026 12:16:57181
9104.28.161.140Feb 05, 2026 23:47:44Sep 30, 2026 11:44:3414
10104.28.162.220Feb 05, 2026 23:48:04Sep 30, 2026 11:40:3910

CleanTalk API response

Data loading

Learn more

Frequently Asked Questions About 104.28.163.89

  • Why is this 104.28.163.89 contacting my website?

    This 104.28.163.89 may appear due to bots, crawlers, spam submissions, or automated attacks.

  • Is this 104.28.163.89 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 104.28.163.89?

    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 104.28.163.89. 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 104.28.163.89 is currently performing various types of spam and security attacks on websites.

waves

Your Website Deserves Better Protection

Eliminate spam before it even reaches your inbox.

Get Anti-Spam