104.21.39.137

Classification: Whitelisted

104.21.39.137 is a whitelisted (trusted) IP address listed by Maltiverse. Reported by Phishtank, last seen 2026-10-04. Network: AS13335 Cloudflare, Inc..

Current activity

  • Content Delivery Network — Belongs to a CDN with many allocated resources.
  • Hosting provider — Shared hosting infrastructure.

Blacklist sightings

Description Source First seen Last seen Labels MITRE ATT&CK
Matched whitelist source: Cloudflare Maltiverse 2026-07-06 15:02:20 2026-10-04 17:17:08 benign
Phishing Phishtank 2022-06-11 22:20:06 2022-06-11 22:20:06 compromised malicious-activity

Tags

phishing

Whois information

AS name
AS13335 Cloudflare, Inc.
AS registry
arin
AS date
2014-03-28 00:00:00
AS CIDR
104.21.32.0/20
CIDR
104.16.0.0/12
Registrant
Cloudflare, Inc.
Address
101 Townsend Street
City
San Francisco
State
CA
Postal code
94119
Country
US — United States 🇺🇸
Contact email
[email protected], [email protected], [email protected]
First indexed
2022-06-11 22:20:06
Last updated
2026-10-04 17:17:08