3.99.241.135
Classification: Suspicious
3.99.241.135 is a suspicious IP address. Reported by 1 threat source, last seen 2026-09-07. Network: AS16509 Amazon Data Services Canada.
Current activity
- Open proxy — Provides anonymization that can hide an attacker.
Blacklist sightings
| Description | Source | First seen | Last seen | Labels | MITRE ATT&CK |
|---|---|---|---|---|---|
| Proxy | FireHOL | 2026-06-03 13:33:30 | 2026-09-07 15:29:31 | anomalous-activity anonymization proxy | |
| Anonymizer | FireHOL | 2026-06-03 12:33:08 | 2026-09-07 14:30:41 | anomalous-activity anonymization |
Tags
anonymizationWhois information
- AS name
- AS16509 Amazon Data Services Canada
- Registrant
- Amazon Data Services Canada
- City
- Toronto
- Postal code
- M5H 2N2
- Country
- CA — Canada 🇨🇦
- First indexed
- 2026-06-03 12:33:08
- Last updated
- 2026-09-07 15:29:31