5.231.123.238

Classification: Malicious

5.231.123.238 is a malicious IP address in Kirchberg, DE. 149 sightings from 4 threat sources (Anonymizer, TOR Node), last seen 2026-10-18.

Current activity

  • TOR node — Part of the TOR anonymization network.
  • Open proxy — Provides anonymization that can hide an attacker.

Where it has been seen

Observed by Maltiverse Threat Observatory sensors in BR, CO, EC, HN, MX and US, across education, energy, financial services and retail networks.

Blacklist sightings

Description Source First seen Last seen Labels MITRE ATT&CK
TOR Node Maltiverse Threat Observatory 2026-08-26 01:05:26 2026-10-18 04:05:12 anonymization country_code:br country_code:co country_code:ec country_code:hn country_code:mx country_code:us industry:education-and-nonprofits industry:energy-and-utilities industry:financial-services industry:retail-and-hospitality malicious-activity tor
Proxy FireHOL 2026-09-10 16:04:52 2026-10-17 18:17:36 anomalous-activity anonymization proxy
Anonymizer FireHOL 2026-07-16 16:55:23 2026-10-17 17:21:39 anomalous-activity anonymization
ET TOR Known Tor Relay/Router (Not Exit) Node TCP Traffic Emerging Threats 2026-07-17 13:02:42 2026-10-15 13:03:01 anomalous-activity anonymization tor
Proxy IPWhois.io 2026-07-16 17:06:20 2026-10-07 21:58:52 anonymization proxy

Tags

anonymization tor port:80

Whois information

AS name
AS215365 Threatoff
Registrant
Threatoff
City
Kirchberg
State
NY
Postal code
94259
Country
DE — Germany 🇩🇪
First indexed
2026-07-16 16:55:23
Last updated
2026-10-18 04:56:24