38.156.72.4
Classification: Malicious
38.156.72.4 is a malicious IP address. Reported by 4 threat sources, last seen 2026-09-10. Network: AS174 Cogent Communications.
Current activity
- Known attacker — Seen launching attacks over the Internet.
- Open proxy — Provides anonymization that can hide an attacker.
Blacklist sightings
| Description | Source | First seen | Last seen | Labels | MITRE ATT&CK |
|---|---|---|---|---|---|
| Proxy | FireHOL | 2023-12-03 04:56:55 | 2026-09-10 19:29:28 | anomalous-activity anonymization proxy | |
| Anonymizer | FireHOL | 2026-02-27 09:24:01 | 2026-09-10 18:31:36 | anomalous-activity anonymization | |
| DDoS Attacker | Blocklist.net.ua | 2026-01-01 14:25:39 | 2026-09-05 16:10:15 | attacker malicious-activity | |
| Empty reason | Blocklist.net.ua | 2026-09-04 16:11:59 | 2026-09-04 16:11:59 | attacker malicious-activity | |
| Suspicious Host | AbuseIPDB | 2026-01-17 03:54:07 | 2026-04-17 02:40:18 | anomalous-activity | |
| DDoS attack on site kam-pod.gov.ua | Blocklist.net.ua | 2023-11-30 04:18:48 | 2024-08-28 12:45:26 | malicious-activity | |
| Mail Spammer | Abuseat.org | 2023-11-30 04:23:24 | 2023-11-30 04:23:24 |
Tags
abuse anonymizationWhois information
- AS name
- AS174 Cogent Communications
- AS registry
- arin
- AS date
- 1991-04-16 00:00:00
- AS CIDR
- 38.156.72.0/24
- CIDR
- 38.0.0.0/8
- Registrant
- PSINet, Inc.
- Address
- 2450 N Street NW
- City
- Washington
- State
- DC
- Postal code
- 20037
- Country
- US — United States 🇺🇸
- Contact email
- [email protected], [email protected], [email protected]
- First indexed
- 2023-11-30 04:18:48
- Last updated
- 2026-09-10 19:29:28