138.204.91.89 reported for spam, and brute force attacks


8 websites attacked, discovered , last activity .
1 brute force attacks, last activity .
There were requests from the address that the service marked as spam, but the address is not currently blacklisted.


Status

ServiceStatusUpdatedNext steps
Anti-SpamNot in listMay 17, 2026 20:34:36Get Anti-Spam Plugin or API
SpamFireWall Not in listMay 17, 2026 20:34:36
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

Network138.204.91.0/24parent network: 138.204.90.0/23
Network Spam Rate1%
DNS name-
AS number28649
Org nameDesktop Sigmanet Comunicacao Multimidia SA
LocationSão Paulo, São Paulo, Brazil
IP Geolocationlat: -23.5475; lon: -46.6361
Address-
Phone-
Websitedesktop.com.br
AS spam rate2.97%
Websites hosted on 138.204.91.89Data 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

138.204.91.0/24 spam active IP addresses

#Address (DNS name)DetectedLast seenAttacked sites
1138.204.91.89Dec 15, 2025 23:59:48May 18, 2026 01:34:368
2138.204.91.15Aug 18, 2025 14:17:38Jul 27, 2026 13:30:315
3138.204.91.248Aug 04, 2025 15:23:17Aug 22, 2026 20:42:404
4138.204.91.224Jun 24, 2025 03:21:56Aug 24, 2026 10:26:284
5138.204.91.9May 13, 2025 19:48:19Jul 02, 2026 07:59:505
6138.204.91.88Sep 18, 2024 02:50:30Aug 30, 2026 17:34:5310
7138.204.91.11Jun 06, 2024 21:35:45Jun 13, 2026 08:34:596
8138.204.91.8Jun 06, 2024 16:15:34Jun 02, 2026 06:40:474
9138.204.91.14May 24, 2024 12:00:39Jul 05, 2026 05:42:155
10138.204.91.12Mar 06, 2024 08:34:57Jun 24, 2026 09:47:374

CleanTalk API response

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Frequently Asked Questions About 138.204.91.89

  • Why is this 138.204.91.89 contacting my website?

    This 138.204.91.89 may appear due to bots, crawlers, spam submissions, or automated attacks.

  • Is this 138.204.91.89 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 138.204.91.89?

    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 138.204.91.89. 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 138.204.91.89 is currently performing various types of spam and security attacks on websites.

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