172.121.149.21 reported for spam


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


Status

ServiceStatusUpdatedNext steps
Anti-SpamBlacklistedOct 07, 2026 03:13:42Get Anti-Spam Plugin or API
SpamFireWall Not in listOct 07, 2026 03:13:42
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

Network172.121.148.0/22
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 rate62.72%
Websites hosted on 172.121.149.21Data loading

spam attacks, abuse log

#Date/ time (GMT)Sender IPSender EmailNicknameAnti-Spam app
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172.121.148.0/22 spam active IP addresses

#Address (DNS name)DetectedLast seenAttacked sites
1172.121.149.156Dec 28, 2025 20:50:51Oct 07, 2026 10:24:147
2172.121.149.123Jan 25, 2026 10:00:41Oct 07, 2026 10:13:435
3172.121.149.182Dec 30, 2025 20:20:03Oct 07, 2026 10:13:146
4172.121.149.99Dec 30, 2025 10:50:07Oct 07, 2026 09:59:524
5172.121.149.72Jan 03, 2026 02:46:30Oct 07, 2026 09:46:166
6172.121.149.160Jan 02, 2026 19:11:21Oct 07, 2026 09:27:506
7172.121.149.100Jan 06, 2026 02:15:27Oct 07, 2026 09:04:535
8172.121.149.159Dec 30, 2025 14:16:35Oct 07, 2026 09:01:537
9172.121.149.126Jan 07, 2026 20:22:50Oct 07, 2026 08:54:035
10172.121.149.81Dec 30, 2025 20:22:04Oct 07, 2026 08:47:125

CleanTalk API response

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Frequently Asked Questions About 172.121.149.21

  • Why is this 172.121.149.21 contacting my website?

    This 172.121.149.21 may appear due to bots, crawlers, spam submissions, or automated attacks.

  • Is this 172.121.149.21 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 172.121.149.21?

    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 172.121.149.21. 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 172.121.149.21 is currently performing various types of spam and security attacks on websites.

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