104.28.155.217

Classification: Malicious

104.28.155.217 is a malicious IP address. Reported by 5 threat sources, last seen 2026-09-09. 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
HTTP Spammer StopForumSpam.com 2024-11-16 23:15:50 2026-09-09 07:23:14 malicious-activity
Mail Spammer Blocklist.de 2026-06-17 12:00:18 2026-07-08 12:00:33 attacker malicious-activity
IMAP Attacker Blocklist.de 2026-06-17 11:00:16 2026-07-08 11:00:16 attacker malicious-activity
Suspicious Host AbuseIPDB 2024-11-10 23:57:35 2026-06-05 15:40:39 anomalous-activity
HTTP Spammer Cleantalk.org 2024-11-03 21:24:11 2024-11-03 21:24:11 malicious-activity
HTTP bot Blocklist.de 2024-02-15 02:19:30 2024-02-16 02:22:37 malicious-activity
SSH Attacker Blocklist.de 2024-01-06 03:11:58 2024-01-07 03:10:17 malicious-activity
Mail Spammer Abuseat.org 2024-01-06 03:34:26 2024-01-06 03:34:26

Tags

ssh bruteforce bot attacker spam abuse imap pop3 sasl mail

Whois information

AS name
AS13335 Cloudflare, Inc.
AS registry
arin
AS date
2014-03-28 00:00:00
AS CIDR
104.28.155.0/24
CIDR
104.16.0.0/12
Registrant
Cloudflare, Inc.
Address
101 Townsend Street
City
Amsterdam
State
CA
Postal code
1012 JS
Country
NL — Netherlands 🇳🇱
Contact email
[email protected], [email protected], [email protected]
First indexed
2024-01-06 03:11:58
Last updated
2026-09-09 07:23:14

Malicious IPs in the same CIDR

104.28.155.81 104.28.155.217 104.28.155.216 104.28.155.219