187.106.51.133
Classification: Malicious
187.106.51.133 is a malicious IP address. Reported by 2 threat sources, last seen 2026-09-02. Network: AS28573 Claro NXT Telecomunicacoes Ltda.
Current activity
- Known attacker — Seen launching attacks over the Internet.
Blacklist sightings
| Description | Source | First seen | Last seen | Labels | MITRE ATT&CK |
|---|---|---|---|---|---|
| Malicious Host | CIArmy | 2026-08-18 20:03:58 | 2026-09-02 20:03:35 | attacker malicious-activity | |
| Mail Spammer | Barracuda | 2026-08-18 20:04:17 | 2026-08-18 20:04:17 | attacker malicious-activity |
Whois information
- AS name
- AS28573 Claro NXT Telecomunicacoes Ltda
- Registrant
- Claro NXT Telecomunicacoes Ltda
- City
- Campinas
- Postal code
- 13015-201
- Country
- BR — Brazil 🇧🇷
- First indexed
- 2026-08-18 20:03:58
- Last updated
- 2026-09-02 20:03:36