37.139.53.21
Classification: Malicious
37.139.53.21 is a malicious IP address. Reported by 2 threat sources, last seen 2026-09-09. Network: AS44050 Petersburg Internet Network ltd.
Blacklist sightings
| Description | Source | First seen | Last seen | Labels | MITRE ATT&CK |
|---|---|---|---|---|---|
| HTTP Spammer | StopForumSpam.com | 2022-09-05 03:01:22 | 2026-09-09 07:07:34 | malicious-activity | |
| HTTP Spammer | Sblam | 2022-08-31 03:06:12 | 2022-10-23 02:26:36 | malicious-activity |
Tags
bot abuseWhois information
- AS name
- AS44050 Petersburg Internet Network ltd
- AS registry
- ripencc
- AS date
- 2012-02-24 00:00:00
- AS CIDR
- 37.139.53.0/24
- CIDR
- 37.139.53.0/24
- Address
- g. Vyksa, Nizhegorodskaya oblast'. ul. Lesnaya, d.25 str.2
- City
- Moscow
- Country
- RU — Russian Federation 🇷🇺
- Contact email
- [email protected]
- First indexed
- 2022-08-31 03:06:12
- Last updated
- 2026-09-09 07:07:34
Malicious IPs in the same CIDR
37.139.53.7 37.139.53.2 37.139.53.21 37.139.53.253 37.139.53.30 37.139.53.124 37.139.53.166 37.139.53.179 37.139.53.5 37.139.53.6 37.139.53.11 37.139.53.80 37.139.53.13 37.139.53.144 37.139.53.67