104.28.156.212
Classification: Whitelisted
104.28.156.212 is a whitelisted (trusted) IP address. Reported by 4 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 | 2024-04-20 23:05:45 | 2026-09-07 07:17:44 | attacker malicious-activity | |
| Matched whitelist source: Cloudflare_registrant | Maltiverse | 2026-08-13 17:27:16 | 2026-08-13 17:27:16 | benign | |
| Suspicious Host | AbuseIPDB | 2024-10-29 12:16:50 | 2026-05-07 07:11:26 | anomalous-activity | |
| Mail Spammer | Blocklist.de | 2026-05-05 08:01:14 | 2026-05-06 08:03:31 | malicious-activity | |
| IMAP Attacker | Blocklist.de | 2026-05-05 07:00:31 | 2026-05-06 07:01:11 | malicious-activity |
Tags
bot abuse attacker 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
- Hong Kong
- State
- CA
- Postal code
- 94107
- Country
- HK — Hong Kong 🇭🇰
- Contact email
- [email protected], [email protected], [email protected]
- First indexed
- 2024-04-20 23:05:45
- Last updated
- 2026-09-07 07:17:44
Malicious IPs in the same CIDR
104.28.156.152 104.28.156.92 104.28.156.104 104.28.156.91 104.28.156.61 104.28.156.151 104.28.156.218 104.28.156.213 104.28.156.100 104.28.156.137 104.28.156.135 104.28.156.54