51.91.111.64
Classification: Malicious
51.91.111.64 is a malicious IP address in Roubaix, FR. 62 sightings from 13 threat sources (Proxy, Anonymizer), 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 16:46:40 | 2026-09-24 16:46:40 | anomalous-activity anonymization | |
| Proxy | IPWhois.io | 2025-06-16 01:05:23 | 2026-09-23 00:53:27 | anonymization proxy | |
| Mail Spammer | Barracuda | 2025-06-16 01:05:23 | 2026-09-23 00:53:27 | attacker malicious-activity | |
| Proxy | FireHOL | 2022-12-31 22:44:05 | 2026-09-21 18:04:15 | anomalous-activity anonymization proxy | |
| Anonymizer | FireHol | 2022-12-29 11:21:31 | 2022-12-29 22:41:41 | anonymization | |
| Anonymizer | Maltiverse Research Team | 2021-01-02 05:12:49 | 2021-05-22 23:00:07 | anonymizer | |
| HTTP Spammer | StopForumSpam.com | 2020-10-12 06:05:36 | 2021-01-28 21:47:23 | malicious-activity | |
| DDoS attack | Blocklist.net.ua | 2020-10-16 07:50:00 | 2020-12-16 08:21:00 | malicious-activity | |
| ET TOR Known Tor Relay/Router (Not Exit) Node TCP Traffic | Emerging Threats | 2020-10-10 05:04:01 | 2020-11-03 09:45:51 | anonymization | |
| ET TOR Known Tor Exit Node TCP Traffic | Emerging Threats | 2020-10-10 05:02:55 | 2020-11-03 09:44:40 | anonymization | |
| Malicious Host | HoneyDB | 2020-10-29 00:00:00 | 2020-10-29 00:00:00 | ||
| HTTP Spammer | Sblam | 2020-10-16 03:47:17 | 2020-10-16 03:47:17 | ||
| TOR Exit Node | TorProject.org | 2020-10-08 12:13:02 | 2020-10-08 12:13:02 | ||
| Anonymizer | Maltiverse | 2020-10-08 11:44:35 | 2020-10-08 11:44:35 | ||
| Phishing | Phishtank | 2020-04-20 04:42:29 | 2020-04-20 04:42:29 |
Tags
anonymization phishing anonymizer tor bot 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
- 51.91.108.0/22
- 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
- 2020-04-20 04:42:29
- Last updated
- 2026-09-24 16:46:41
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