IP Address

81.23.173.32

IPv4 Public
RU RU
AS8359
MTS PJSC
143 Reports
This IP is on the Blacklist High confidence threat - blocking recommended
10/10 Threat
81% Confidence
143 Reports
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Threat Intelligence Analysis

Automated assessment based on aggregated, anonymized threat data

Top 5% Most Dangerous
RU
RU Location
MTS PJSC ASN 8359
143 Reports
Mixed Data Source

Severe Risk

Threat level 10/10 for IP 81.23.173.32. Analysis of 143 reports confirms persistent malicious behavior.

High-confidence (81%) threat assessment indicates advanced persistent threat characteristics.

More threatening than 99% of monitored IPs

Threat Categories

SSH 30
Brute-Force 5

Technical Details

SSH attacks attempt to gain server access through password guessing or exploitation of SSH vulnerabilities.

Recommended Mitigations

Use key-based authentication, change default ports, implement fail2ban, and disable root login.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over 4 weeks indicates persistent threat actor operations.

First Observed 3. September 2026
Last Activity 2. October 2026
Recent (7 days) 5 incidents

Moderate Network Risk

The network hosting this IP (ASN 8359, operated by MTS PJSC) shows moderate threat indicators. Some concerning activity has been detected from neighboring addresses.

Consider the network context when assessing this individual IP.

Security Recommendations

Block immediately. This IP demonstrates capability for significant infrastructure damage.

Long-term blocking recommended.

This analysis is automatically generated from aggregated, anonymized threat intelligence data. No personal information is displayed or stored. Assessment accuracy depends on available data volume and diversity.

Reputation Summary

Threat Level 10/10 Critical
Critical
Activity Frequency 7/10 High
Confidence Score 81% Verified

Confidence History

24. Jun 2026 - 2. Oct 2026
81% Current
Stable Trend

The confidence score shows the reliability of the threat assessment based on the number and quality of reports.

Security Reports (30)

Date Categories Source Confidence
New SSH Brute-Force Community 75%
New SSH Brute-Force Community 75%
New SSH Brute-Force Community 75%
SSH Brute-Force Community 75%
SSH Brute-Force Community 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot x2 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%
SSH Honeypot 75%

Technical Details

Basic Information

IP Address
81.23.173.32
IP Version
IPv4
Network Type
Public
Tor Network
No
Network Class
Class A

Geolocation

Country
RU RU
ASN
AS8359
ISP
MTS PJSC

DNS Information

Reverse DNS
81-23-173-32.zgtk.ru
PTR Record
Yes
Connection Type
Dynamic

Statistics

Total Reports
143
First Reported
22 Feb 2026
Last Reported
2 Oct 2026, 10:15

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

AS8359
MTS PJSC
RU RU

Network Threat Assessment

4/10
This network has low threat indicators with minimal suspicious activity.

Network Statistics

62
Total IPs Monitored
244
Total Reports
3.9
Reports per IP

Network Context

This IP address belongs to MTS PJSC (AS8359), which manages 62 IP addresses in our monitoring system. Out of these, 244 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.

Comparative Analysis

How this IP compares to others in our threat intelligence database

99 %

Global Threat Ranking

This IP is more threatening than 99% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 813,394 reported IPs worldwide

Threat Level 10/10 avg: 6.3 ++
Total Reports 143 avg: 9 ++

Network Comparison

Compared against 276 IPs in ASN 8359

Threat Level 10/10 network avg: 5.8 ++
Total Reports 143 network avg: 2 ++
Network MTS PJSC has overall threat level 4/10

Geographic Comparison

Compared against 13,395 IPs in RU

Threat Level 10/10 country avg: 6.4 ++
Total Reports 143 country avg: 9 ++
Indicators:
++ Much Higher + Higher = Similar - Lower -- Much Lower

Geographic Threat Distribution

739,451 threat incidents tracked globally • Last 24h: 45,313 Logs

FEED

Top Threat Sources

  1. 01
    US
    United States US
    144,569 19.6%
  2. 02
    BR
    Brazil BR
    111,047 15%
  3. 03
    IN
    India IN
    83,297 11.3%
  4. 04
    CN
    China CN
    45,146 6.1%
  5. 05
    SC
    SC SC
    29,242 4%
  6. 06
    DE
    Germany DE
    17,728 2.4%
  7. 07
    NL
    Netherlands NL
    17,585 2.4%
  8. 08
    PK
    Pakistan PK
    16,923 2.3%
  9. 09
    AR
    Argentina AR
    16,212 2.2%
  10. 10
    CO
    Colombia CO
    15,149 2%

+40 more countries

THREAT LEVEL
LOW MED HIGH

Geographic data is aggregated and anonymized. No personal information displayed.

Map: simplemaps.com (MIT License)

Related IPs

Other IPs associated with this address through network or behavioral similarity

IPs from the same Autonomous System (AS) network provider.

20 Related IPs
8.1/10 Avg Threat
40% Avg Confidence
19 High Threat
High-risk network: Majority of related IPs are flagged

Export & Firewall Rules

Download threat data or generate firewall rules to block this IP

JSON Report

Structured data format for integration with security tools and SIEM systems.

{
    "ip_address": "81.23.173.32",
    "threat_level": 10,
    "confidence_score": 81,
    "total_reports": 143,
    "country_code": "RU",
    "isp_name": "MTS PJSC",
    "asn": "8359",
    "first_reported": "2026-02-22 20:57:07",
    "last_reported": "2026-10-02 10:15:54",
    "exported_at": "2026-10-02T13:56:46+02:00",
    "source": "https://reportedip.com/ip/81.23.173.32/"
}

GDPR Compliant: Exports contain only IP-related threat data. No personal information or reporter details are included.