172.121.211.165 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 02, 2026 02:32:15Get Anti-Spam Plugin or API
SpamFireWall Not in listOct 02, 2026 02:32:15
Security FireWall  Not in list-Get Security Plugin
Block Lists
Data loading
-Sign Up for API, Files, DNSBL & Online Access
Type of attacksSpam

Abuse reports

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

Report Abuse activity

Details

Network172.121.208.0/22
Network Spam Rate32%
DNS name-
AS number3257
Org nameGTT Communications Inc.
LocationSanta Clara, California, United States
IP Geolocationlat: 37.3931; lon: -121.962
AddressTinet International Network SpA TINET Accounts Payable Localita Sa Illetta, SS 195, KM 2,300 09122 Cagliari ITALY
Phone+49610282353
Websitegtt.net
AS spam rate12.53%
Websites hosted on 172.121.211.165Data loading

spam attacks, abuse log

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

172.121.208.0/22 spam active IP addresses

#Address (DNS name)DetectedLast seenAttacked sites
1172.121.211.9Oct 18, 2024 12:15:32Oct 02, 2026 19:32:455
2172.121.211.56Nov 03, 2025 21:46:51Oct 02, 2026 19:31:556
3172.121.211.149Aug 02, 2025 04:44:37Oct 02, 2026 18:17:558
4172.121.211.135Oct 03, 2024 09:40:28Oct 02, 2026 16:46:594
5172.121.211.232Aug 17, 2025 08:54:14Oct 02, 2026 16:25:226
6172.121.211.136Oct 02, 2024 14:25:46Oct 02, 2026 16:03:136
7172.121.211.127Aug 10, 2025 17:33:22Oct 02, 2026 15:30:585
8172.121.211.105Oct 23, 2024 12:35:22Oct 02, 2026 13:39:317
9172.121.211.156Sep 17, 2025 01:04:19Oct 02, 2026 13:18:568
10172.121.211.173Jun 09, 2025 19:25:14Oct 02, 2026 12:26:056

CleanTalk API response

Data loading

Learn more

Frequently Asked Questions About 172.121.211.165

  • Why is this 172.121.211.165 contacting my website?

    This 172.121.211.165 may appear due to bots, crawlers, spam submissions, or automated attacks.

  • Is this 172.121.211.165 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 172.121.211.165?

    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 172.121.211.165. 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 172.121.211.165 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