81.17.18.50
Classification: Malicious
81.17.18.50 is a malicious IP address. Reported by 4 threat sources, last seen 2026-08-31. Network: AS51852 Private Layer INC.
Current activity
- Known attacker — Seen launching attacks over the Internet.
- TOR node — Part of the TOR anonymization network.
Blacklist sightings
| Description | Source | First seen | Last seen | Labels | MITRE ATT&CK |
|---|---|---|---|---|---|
| TOR Node | IPWhois.io | 2026-08-31 22:13:46 | 2026-08-31 22:13:46 | anomalous-activity anonymization tor | |
| Mail Spammer | Barracuda | 2021-03-02 16:30:04 | 2026-08-31 22:13:46 | attacker malicious-activity | |
| ET TOR Known Tor Relay/Router (Not Exit) Node TCP Traffic | Emerging Threats | 2021-03-04 14:41:46 | 2026-08-30 11:04:56 | anomalous-activity anonymization tor | |
| ET TOR Known Tor Exit Node TCP Traffic | Emerging Threats | 2021-03-04 14:39:09 | 2026-08-10 11:01:46 | anomalous-activity anonymization tor | |
| TOR Exit Node | TorProject.org | 2021-03-02 16:30:03 | 2026-08-08 10:03:04 | anomalous-activity anonymization anonymizer tor |
Tags
tor anonymizer anonymizationWhois information
- AS name
- AS51852 Private Layer INC
- AS registry
- ripencc
- AS date
- 2011-08-29 00:00:00
- AS CIDR
- 81.17.16.0/20
- Registrant
- Private Layer INC
- City
- Zurich
- Postal code
- 8032
- Country
- CH — Switzerland 🇨🇭
- First indexed
- 2021-03-02 16:30:03
- Last updated
- 2026-08-31 22:13:47