104.28.157.78

Classification: Malicious

104.28.157.78 is a malicious IP address. Reported by 2 threat sources, last seen 2026-09-07. Network: AS13335 Cloudflare, Inc..

Current activity

  • Known attacker — Seen launching attacks over the Internet.
  • Content Delivery Network — Belongs to a CDN with many allocated resources.

Blacklist sightings

Description Source First seen Last seen Labels MITRE ATT&CK
Mail Spammer Blocklist.de 2026-07-03 12:00:13 2026-09-07 12:00:20 attacker malicious-activity
IMAP Attacker Blocklist.de 2026-07-03 11:00:13 2026-09-07 11:00:18 attacker malicious-activity
Suspicious Host AbuseIPDB 2026-03-06 22:05:38 2026-05-20 23:45:50 anomalous-activity

Tags

attacker imap pop3 sasl bot mail spam

Whois information

AS name
AS13335 Cloudflare, Inc.
Registrant
Cloudflare, Inc.
City
Bennett
State
CO
Postal code
80102
Country
US — United States 🇺🇸
First indexed
2026-03-07 01:43:54
Last updated
2026-09-07 12:00:20