31.173.87.172
Classification: Malicious
31.173.87.172 is a malicious IP address. Reported by 3 threat sources, last seen 2026-09-13. 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 |
|---|---|---|---|---|---|
| HTTP Spammer | StopForumSpam.com | 2022-11-17 03:46:31 | 2026-09-13 07:04:56 | attacker malicious-activity | |
| Mail Spammer | Barracuda | 2025-02-14 19:10:11 | 2026-09-07 07:19:08 | attacker malicious-activity | |
| Mail Spammer | Blocklist.de | 2019-02-14 07:13:13 | 2019-02-15 07:07:50 | ||
| IMAP Attacker | Blocklist.de | 2019-02-14 07:09:18 | 2019-02-15 07:04:15 |
Tags
bot abuse attacker imap pop3 sasl mail spamWhois 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
- Registrant
- Metropolitan branch of OJSC MegaFon
- City
- Moscow
- Postal code
- 109012
- Country
- RU — Russian Federation 🇷🇺
- First indexed
- 2019-02-14 07:09:18
- Last updated
- 2026-09-13 07:04:56
Malicious IPs in the same CIDR
31.173.87.22 31.173.87.172 31.173.87.178 31.173.87.219 31.173.87.248 31.173.87.253 31.173.87.155 31.173.87.157 31.173.87.169 31.173.87.183 31.173.87.200 31.173.87.205 31.173.87.209 31.173.87.223 31.173.87.243 31.173.87.228 31.173.87.164 31.173.87.189 31.173.87.204 31.173.87.241 31.173.87.26 31.173.87.82 31.173.87.83 31.173.87.133 31.173.87.5