51.68.139.131
Classification: Malicious
51.68.139.131 is a malicious IP address in Warsaw, PL. 54 sightings from 6 threat sources (Proxy, Mail Spammer), 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 16:43:34 | 2026-09-24 16:43:34 | anomalous-activity anonymization | |
| Proxy | IPWhois.io | 2025-03-03 14:28:50 | 2026-09-23 00:55:04 | anonymization proxy | |
| Mail Spammer | Barracuda | 2025-03-03 14:28:50 | 2026-09-23 00:55:04 | attacker malicious-activity | |
| Proxy | FireHOL | 2023-04-08 05:36:48 | 2026-09-21 18:01:07 | anomalous-activity anonymization proxy | |
| HTTP Spammer | StopForumSpam.com | 2023-04-12 20:58:51 | 2023-11-06 00:02:01 | malicious-activity | |
| HTTP Spammer | Sblam | 2023-07-05 20:38:41 | 2023-07-27 19:50:54 | malicious-activity | |
| Mail Spammer | Abuseat.org | 2023-04-08 05:36:49 | 2023-04-08 05:36:49 |
Tags
bot abuse anonymizationWhois information
- AS name
- AS16276 OVH SAS
- AS registry
- ripencc
- AS date
- 1993-09-01 00:00:00
- AS CIDR
- 51.68.0.0/16
- CIDR
- 51.68.136.0/21
- Registrant
- OVH SAS
- Address
- ul. Swobodna 1 50-088 Wroclaw Poland
- City
- Warsaw
- Postal code
- 00-510
- Country
- PL — Poland 🇵🇱
- Contact email
- [email protected]
- First indexed
- 2023-04-08 05:36:48
- Last updated
- 2026-09-24 16:43:57
Malicious IPs in the same CIDR
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