51.91.144.39
Classification: Malicious
51.91.144.39 is a malicious IP address in Roubaix, FR. 347 sightings from 6 threat sources (DDoS Attacker, Proxy), last seen 2026-09-24.
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 |
|---|---|---|---|---|---|
| Anonymizer | FireHOL | 2026-09-24 16:46:46 | 2026-09-24 16:46:46 | anomalous-activity anonymization | |
| Proxy | IPWhois.io | 2025-06-16 01:06:24 | 2026-09-23 00:53:14 | anonymization proxy | |
| Mail Spammer | Barracuda | 2022-12-28 03:23:21 | 2026-09-23 00:53:14 | attacker malicious-activity | |
| Proxy | FireHOL | 2022-12-31 22:44:19 | 2026-09-21 18:04:21 | anomalous-activity anonymization proxy | |
| DDoS Attacker | Blocklist.net.ua | 2023-11-17 04:40:46 | 2024-11-17 12:40:11 | malicious-activity | |
| DDoS attack on site S26 | Blocklist.net.ua | 2022-12-28 03:23:20 | 2023-05-29 04:41:04 | malicious-activity | |
| Anonymizer | FireHol | 2022-12-29 11:21:46 | 2022-12-29 22:41:56 | anonymization | |
| Mail Spammer | Abuseat.org | 2022-12-28 03:23:21 | 2022-12-28 15:48:33 |
Tags
anonymization abuseWhois information
- AS name
- AS16276 OVH SAS
- AS registry
- ripencc
- AS date
- 1993-09-01 00:00:00
- AS CIDR
- 51.91.0.0/16
- CIDR
- 51.91.144.0/21
- Registrant
- OVH SAS
- Address
- 2 rue Kellermann 59100 Roubaix FRANCE
- City
- Roubaix
- Postal code
- 59689 CEDEX 2
- Country
- FR — France 🇫🇷
- Contact email
- [email protected]
- First indexed
- 2022-12-28 03:23:20
- Last updated
- 2026-09-24 16:46:46
Malicious IPs in the same CIDR
51.91.18.151 51.91.141.154 51.91.107.148 51.91.16.32 51.91.76.186 51.91.32.10 51.91.30.80 51.91.253.126 51.91.11.62 51.91.144.39 51.91.151.44 51.91.111.64 51.91.111.160 51.91.109.113 51.91.11.128 51.91.11.141 51.91.148.206