51.91.141.154
Classification: Malicious
51.91.141.154 is a malicious IP address in Roubaix, FR. 56 sightings from 6 threat sources (Proxy, Anonymizer), last seen 2026-10-15.
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 |
|---|---|---|---|---|---|
| Mail Spammer | Barracuda | 2025-06-16 01:06:04 | 2026-10-15 17:52:08 | attacker malicious-activity | |
| Proxy | IPWhois.io | 2025-06-16 01:06:04 | 2026-10-15 17:52:07 | anonymization proxy | |
| Anonymizer | FireHOL | 2026-09-24 16:46:44 | 2026-09-24 16:46:44 | anomalous-activity anonymization | |
| Proxy | FireHOL | 2022-12-31 22:44:14 | 2026-09-21 18:04:20 | anomalous-activity anonymization proxy | |
| Anonymizer | FireHol | 2022-12-29 11:21:41 | 2022-12-29 22:41:51 | anonymization | |
| Anonymizer | Maltiverse Research Team | 2020-11-21 16:21:22 | 2021-05-22 23:00:14 | anonymizer | |
| Anonymizer | Maltiverse | 2019-11-28 01:57:47 | 2019-11-28 01:57:47 |
Tags
anonymization anonymizerWhois information
- AS name
- AS16276 OVH SAS
- AS registry
- ripencc
- AS date
- 1993-09-01 00:00:00
- AS CIDR
- 51.91.0.0/16
- Registrant
- OVH SAS
- City
- Roubaix
- Postal code
- 59689 CEDEX 2
- Country
- FR — France 🇫🇷
- First indexed
- 2019-11-28 01:57:47
- Last updated
- 2026-10-15 17:52:09
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