31.173.81.133

Classification: Malicious

31.173.81.133 is a malicious IP address. Reported by 4 threat sources, last seen 2026-09-06. Network: AS25159 Metropolitan branch of OJSC MegaFon.

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 2025-03-17 19:06:51 2026-09-06 00:57:38 attacker malicious-activity
HTTP Spammer StopForumSpam.com 2020-06-18 10:39:43 2026-09-03 07:07:00 attacker malicious-activity
HTTP Spammer Sblam 2022-10-28 02:40:19 2022-12-06 02:19:25 malicious-activity
Parasite SEO Blocklist.net.ua 2017-11-14 13:45:09 2017-11-14 13:45:09

Tags

bot abuse

Whois information

AS name
AS25159 Metropolitan branch of OJSC MegaFon
AS registry
ripencc
AS date
2011-04-04 00:00:00
AS CIDR
31.173.80.0/21
CIDR
31.173.80.0/21
Registrant
Metropolitan branch of OJSC MegaFon
Address
41 Oruzheyniy lane, Moscow, Russia, 127006
City
Moscow
Postal code
109012
Country
RU — Russian Federation 🇷🇺
Contact email
[email protected], [email protected], [email protected]
First indexed
2017-11-13 16:30:03
Last updated
2026-09-06 00:57:39

Malicious IPs in the same CIDR

31.173.81.190 31.173.87.215 31.173.85.148 31.173.82.28 31.173.81.133 31.173.83.228 31.173.80.102 31.173.80.12 31.173.81.47 31.173.81.57 31.173.81.72 31.173.84.176 31.173.81.58 31.173.81.44 31.173.85.107 31.173.87.144 31.173.84.138 31.173.83.189 31.173.84.56 31.173.80.141 31.173.81.141 31.173.81.248 31.173.82.218 31.173.83.200 31.173.87.154