83.4.156.81
Classification: Malicious
83.4.156.81 is a malicious IP address. Reported by 2 threat sources, last seen 2026-08-19. Network: AS5617 Orange Polska Spolka Akcyjna.
Current activity
- Known attacker — Seen launching attacks over the Internet.
Blacklist sightings
| Description | Source | First seen | Last seen | Labels | MITRE ATT&CK |
|---|---|---|---|---|---|
| Mail Spammer | Barracuda | 2026-08-19 07:30:10 | 2026-08-19 07:30:10 | attacker malicious-activity | |
| Anonymizer | Maltiverse | 2018-11-17 08:06:08 | 2018-11-17 08:06:08 |
Tags
anonymizerWhois information
- AS name
- AS5617 Orange Polska Spolka Akcyjna
- AS registry
- ripencc
- AS date
- 2003-12-03 00:00:00
- AS CIDR
- 83.0.0.0/13
- CIDR
- 83.4.0.0/14, 83.8.0.0/14
- Registrant
- Orange Polska Spolka Akcyjna
- Address
- Orange Polska S.A. ul. Nowogrodzka 47A 00-695 Warszawa Poland
- City
- Wroclaw
- Postal code
- 50-101
- Country
- PL — Poland 🇵🇱
- Contact email
- [email protected], [email protected]
- First indexed
- 2018-11-17 08:06:08
- Last updated
- 2026-08-19 07:30:11
Malicious IPs in the same CIDR
83.2.189.66 83.6.86.3 83.4.98.199 83.5.124.64 83.3.53.190 83.4.191.13 83.6.78.4 83.5.110.115 83.7.64.124 83.3.151.42 83.6.6.22 83.6.130.85 83.6.79.203 83.7.52.16 83.6.37.31 83.4.156.81 83.6.125.35 83.6.81.44 83.7.54.186 83.6.226.18 83.1.199.158 83.6.221.166