104.28.156.100
Classification: Malicious
104.28.156.100 is a malicious IP address. Reported by 3 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 |
|---|---|---|---|---|---|
| HTTP Spammer | StopForumSpam.com | 2025-05-19 14:04:13 | 2026-09-07 07:17:43 | malicious-activity | |
| Bruteforce login attacker | Blocklist.de | 2026-06-12 09:00:07 | 2026-07-09 09:00:06 | attacker malicious-activity | |
| HTTP Attacker | Blocklist.de | 2026-06-12 07:00:07 | 2026-07-09 07:00:06 | attacker malicious-activity | |
| Mail Spammer | Blocklist.de | 2026-07-07 12:00:20 | 2026-07-07 12:00:20 | attacker malicious-activity | |
| IMAP Attacker | Blocklist.de | 2026-07-07 11:00:18 | 2026-07-07 11:00:18 | attacker malicious-activity | |
| Suspicious Host | AbuseIPDB | 2025-12-05 01:31:15 | 2026-06-05 21:27:02 | anomalous-activity | |
| SSH Attacker | Blocklist.de | 2022-11-10 00:53:55 | 2023-01-23 02:42:49 | malicious-activity |
Tags
ssh bruteforce bot abuse apache ddos rfi attacker login joomla wordpress imap pop3 sasl mail spamWhois information
- AS name
- AS13335 Cloudflare, Inc.
- AS registry
- arin
- AS date
- 2014-03-28 00:00:00
- AS CIDR
- 104.28.156.0/24
- CIDR
- 104.16.0.0/12
- Registrant
- Cloudflare, Inc.
- Address
- 101 Townsend Street
- City
- Singapore
- State
- CA
- Postal code
- 550304
- Country
- SG — Singapore 🇸🇬
- Contact email
- [email protected], [email protected], [email protected]
- First indexed
- 2022-11-10 00:53:55
- Last updated
- 2026-09-07 07:17:43
Malicious IPs in the same CIDR
104.28.156.152 104.28.156.104 104.28.156.61 104.28.156.151 104.28.156.213 104.28.156.100 104.28.156.137 104.28.156.54