172.121.173.66 reported for spam


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


Status

ServiceStatusUpdatedNext steps
Anti-SpamBlacklistedOct 03, 2026 05:20:07Get Anti-Spam Plugin or API
SpamFireWall BlacklistedOct 03, 2026 05:20:07
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

Network172.121.172.0/22
Network Spam Rate40%
DNS name-
AS number398781
Org nameOCULUS NETWORKS INC
LocationUnited States
IP Geolocationlat: 37.751; lon: -97.822
Address-
Phone-
Websitegmail.com
AS spam rate50.44%
Websites hosted on 172.121.173.66Data loading

spam attacks, abuse log

#Date/ time (GMT)Sender IPSender EmailNicknameAnti-Spam app
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172.121.172.0/22 spam active IP addresses

#Address (DNS name)DetectedLast seenAttacked sites
1172.121.174.131Jun 02, 2024 08:35:32Oct 03, 2026 17:17:106
2172.121.173.186Jun 04, 2024 05:19:14Oct 03, 2026 17:02:136
3172.121.174.100May 28, 2024 08:46:18Oct 03, 2026 16:37:074
4172.121.173.38May 26, 2024 07:00:15Oct 03, 2026 16:10:415
5172.121.173.70May 25, 2024 21:05:52Oct 03, 2026 15:54:256
6172.121.173.109May 15, 2024 22:24:06Oct 03, 2026 15:34:135
7172.121.173.56Jan 10, 2026 18:58:06Oct 03, 2026 14:56:284
8172.121.173.234Dec 29, 2025 03:53:51Oct 03, 2026 14:18:515
9172.121.173.229Feb 01, 2026 00:33:09Oct 03, 2026 14:14:396
10172.121.173.8Apr 30, 2024 06:32:45Oct 03, 2026 12:13:366

CleanTalk API response

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Frequently Asked Questions About 172.121.173.66

  • Why is this 172.121.173.66 contacting my website?

    This 172.121.173.66 may appear due to bots, crawlers, spam submissions, or automated attacks.

  • Is this 172.121.173.66 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 172.121.173.66?

    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 172.121.173.66. 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 172.121.173.66 is currently performing various types of spam and security attacks on websites.

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