Is IP address 31.173.87.186 dangerous?

31.173.87.186 presents moderate risk with a threat level of 6/10. While not critically dangerous, it has been associated with activity. Monitoring and conditional blocking is recommended.

Who owns or operates IP address 31.173.87.186?

IP address 31.173.87.186 is operated by PJSC MegaFon (ASN 25159) and is geolocated to RU. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 31.173.87.186?

Blocking 31.173.87.186 is advisable for security-sensitive environments. With a threat level of 6/10, consider implementing conditional blocks or rate limiting.

How accurate is this threat assessment for 31.173.87.186?

Our threat assessment for 31.173.87.186 has a confidence score of 23%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

31.173.87.186

IPv4 Public

AS25159

PJSC MegaFon

1 Reports

Is this your IP address? If the cause is fixed, you can request removal. Free of charge, usually decided within 48 hours. Request delisting

Russia Location

PJSC MegaFon ASN 25159

1 Reports

Community Data Source

Medium Threat

Medium risk rating 6/10 for IP 31.173.87.186 based on 1 incidents.

Suspicious behavior markers present. 23% confidence level.

More threatening than 46% of monitored IPs

Threat Categories

Brute-Force 1

Technical Details

Brute-force attacks systematically attempt password combinations against authentication systems.

Recommended Mitigations

Implement rate limiting, account lockout policies, multi-factor authentication, and fail2ban.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over less than a day indicates persistent threat actor operations.

First Observed 24. September 2026

Last Activity 24. September 2026

Recent (7 days) 0 incidents

Moderate Network Risk

The network hosting this IP (ASN 25159, operated by PJSC MegaFon) shows moderate threat indicators. Some concerning activity has been detected from neighboring addresses.

Consider the network context when assessing this individual IP.

Security Recommendations

Monitor traffic patterns. Review logs periodically for escalation.

Long-term blocking recommended.

Reputation Summary

Threat Level 6/10 Medium

High

Activity Frequency 2/10 Very Low

Confidence Score 14% Low Confidence

Date	Categories	Source	Confidence
24. Sep 2026	Brute-Force	Community	75%

Basic Information

IP Address: 31.173.87.186
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: RU
ASN: AS25159
ISP: PJSC MegaFon

DNS Information

Reverse DNS: None
PTR Record: No
Connection Type: Static

Statistics

Total Reports: 1
First Reported: 24 Sep 2026
Last Reported: 24 Sep 2026, 00:34

Network Reputation

Analysis of the entire network (ASN) that this IP address belongs to, providing context about the hosting provider and network-wide threat patterns.

Network Identity

ASN: AS25159

Organization: PJSC MegaFon

Country:

Network Threat Assessment

4/10

This network has low threat indicators with minimal suspicious activity.

Network Statistics

Total IPs Monitored

139

Total Reports

2.4

Reports per IP

Network Context

This IP address belongs to PJSC MegaFon (AS25159), which manages 58 IP addresses in our monitoring system. Out of these, 139 have been reported for suspicious activities, resulting in a network-wide threat level of 4/10.

Network notice: This network shows some suspicious activity patterns. Monitor interactions with IPs from this ASN.