81.21.158.66 reported for spam


3 websites attacked, discovered , 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 listSep 25, 2026 13:11:06Get Anti-Spam Plugin or API
SpamFireWall Not in listSep 25, 2026 13:11:06
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

Network81.21.156.0/22parent network: 81.21.144.0/20
Network Spam Rate1%
DNS nameipv4-81.21.158.66.rapid-fiber.com
AS number62862
Org nameRapid Fiber Internet, LLC
LocationLive Oak, Florida, United States
IP Geolocationlat: 30.1784; lon: -83.0309
Address-
Phone-
Websiterapid-fiber.com
AS spam rate4%
Websites hosted on 81.21.158.66Data loading

spam attacks, abuse log

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

81.21.156.0/22 spam active IP addresses

#Address (DNS name)DetectedLast seenAttacked sites
181.21.159.21(ipv4-81.21.159.21.rapid-fiber.com)Aug 09, 2026 14:16:54Sep 27, 2026 18:36:476
281.21.158.170(ipv4-81.21.158.170.rapid-fiber.com)Jun 03, 2026 11:20:55Sep 25, 2026 01:56:297
381.21.159.14(ipv4-81.21.159.14.rapid-fiber.com)Aug 16, 2026 01:59:46Sep 20, 2026 00:38:399

CleanTalk API response

Data loading

Learn more

Frequently Asked Questions About 81.21.158.66

  • Why is this 81.21.158.66 contacting my website?

    This 81.21.158.66 may appear due to bots, crawlers, spam submissions, or automated attacks.

  • Is this 81.21.158.66 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 81.21.158.66?

    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 81.21.158.66. 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 81.21.158.66 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