Why is this 104.21.47.85 contacting my website?

This 104.21.47.85 may appear due to bots, crawlers, spam submissions, or automated attacks.

Is this 104.21.47.85 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 104.21.47.85?

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 104.21.47.85. 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 104.21.47.85 is currently performing various types of spam and security attacks on websites.

104.21.47.85 spam report

Service	Status	Updated	Next steps
Anti-Spam	Not in list	Aug 28, 2026 15:11:00	Get Anti-Spam Plugin or API
SpamFireWall	Not in list	Aug 28, 2026 15:11:00
Security FireWall	Not in list	-	Get Security Plugin
Block Lists	Data loading	-	Sign Up for API, Files, DNSBL & Online Access
Type of attacks	Spam, Fraud or Phishing

Network	104.21.44.0/22parent network: 104.21.32.0/20
Network Spam Rate	–
DNS name	-
AS number	13335
Org name	Cloudflare, Inc.
Location	—
IP Geolocation	Unresolved

Address	101 Townsend Street CA 94107 San Francisco UNITED STATES
Phone	+1-650-319-8
Website	cloudflare.com
AS spam rate	0.44%

Websites hosted on 104.21.47.85	`Data loading`

#	Date/ time (GMT)	Sender IP	Sender Email	Nickname	Anti-Spam app
Data loading

Frequently Asked Questions About 104.21.47.85

Why is this 104.21.47.85 contacting my website?

This 104.21.47.85 may appear due to bots, crawlers, spam submissions, or automated attacks.
Is this 104.21.47.85 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 104.21.47.85?

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 104.21.47.85. 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 104.21.47.85 is currently performing various types of spam and security attacks on websites.