172.121.75.57 reported for spam


4 websites attacked, discovered , last activity .
This address has registered spam on several websites and is currently blacklisted.


Status

ServiceStatusUpdatedNext steps
Anti-SpamBlacklistedOct 02, 2026 12:55:11Get Anti-Spam Plugin or API
SpamFireWall Not in listOct 02, 2026 12:55:11
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

Abuse reports

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

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Details

Network172.121.72.0/22
Network Spam Rate35%
DNS name-
AS number398781
Org nameOCULUS NETWORKS INC
LocationUnited States
IP Geolocationlat: 37.751; lon: -97.822
Address-
Phone-
Websitegmail.com
AS spam rate45.5%
Websites hosted on 172.121.75.57Data loading

spam attacks, abuse log

#Date/ time (GMT)Sender IPSender EmailNicknameAnti-Spam app
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172.121.72.0/22 spam active IP addresses

#Address (DNS name)DetectedLast seenAttacked sites
1172.121.75.203Dec 29, 2025 06:05:07Oct 03, 2026 01:53:285
2172.121.75.46May 15, 2023 18:26:10Oct 03, 2026 01:46:155
3172.121.74.244Jan 03, 2026 03:15:22Oct 03, 2026 01:39:266
4172.121.74.0Jan 01, 2026 16:54:20Oct 03, 2026 01:30:436
5172.121.75.119Dec 28, 2025 18:29:21Oct 03, 2026 01:21:417
6172.121.74.81Jan 03, 2026 02:57:24Oct 03, 2026 01:05:535
7172.121.74.159Dec 04, 2025 01:51:28Oct 03, 2026 01:05:115
8172.121.75.32Dec 28, 2025 22:52:12Oct 03, 2026 00:45:125
9172.121.74.250Dec 31, 2025 13:52:30Oct 03, 2026 00:35:555
10172.121.75.243Nov 24, 2025 05:28:44Oct 03, 2026 00:18:245

CleanTalk API response

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Frequently Asked Questions About 172.121.75.57

  • Why is this 172.121.75.57 contacting my website?

    This 172.121.75.57 may appear due to bots, crawlers, spam submissions, or automated attacks.

  • Is this 172.121.75.57 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 172.121.75.57?

    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 172.121.75.57. 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 172.121.75.57 is currently performing various types of spam and security attacks on websites.

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