Is IP address 91.144.158.231 dangerous?

Yes, 91.144.158.231 is considered dangerous with a threat level of 10/10. It has been reported 5 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 91.144.158.231?

IP address 91.144.158.231 is operated by JSC ER-Telecom Holding (ASN 42116) and is geolocated to RU. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 91.144.158.231?

Yes, blocking 91.144.158.231 is strongly recommended. With a threat level of 10/10 and 5 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 91.144.158.231?

Our threat assessment for 91.144.158.231 has a confidence score of 69%, based on 5 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

91.144.158.231

IPv4 Public

AS42116

JSC ER-Telecom Holding

5 Reports

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Russia Location

JSC ER-Telecom Holding ASN 42116

5 Reports

Honeypot Data Source

Critical Alert

Security alert: 91.144.158.231 rated 10/10 based on 5 verified incidents.

Threat profile indicates sustained malicious activity with 69% confidence rating.

More threatening than 99% of monitored IPs

Threat Categories

SSH 5

Exploited Host 1

Hacking 1

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 less than a day indicates persistent threat actor operations.

First Observed 25. October 2026

Last Activity 25. October 2026

Recent (7 days) 2 incidents

Reputable Network

This IP is hosted on a network (ASN 42116) with generally good reputation. The ISP JSC ER-Telecom Holding maintains standard security practices.

The malicious activity may represent an isolated compromised system rather than systematic abuse.

Security Recommendations

Implement immediate countermeasures. Well-resourced threat actor identified.

Long-term blocking recommended.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 1/10 Very Low

Confidence Score 69% High Confidence

Confidence History

31. Aug 2026 - 25. Oct 2026

69% Current

Stable Trend

Date	Categories	Source	Confidence
25. Oct 2026	Exploited Host SSH	Honeypot x2	75%
25. Oct 2026	SSH Hacking	Honeypot x2	75%
21. Sep 2026	SSH	Honeypot	75%
3. Sep 2026	SSH	Honeypot	75%
31. Aug 2026	SSH	Honeypot	75%

Basic Information

IP Address: 91.144.158.231
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: RU
ASN: AS42116
ISP: JSC ER-Telecom Holding

DNS Information

Reverse DNS: 91x144x158x231.static-business.chelny.ertelecom.ru
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 5
First Reported: 31 Aug 2026
Last Reported: 25 Oct 2026, 05:54

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 1,269,010 reported IPs worldwide

Threat Level 10/10 avg: 6.0 ++

Total Reports 5 avg: 7 -

Network Comparison

Compared against 32 IPs in ASN 42116

Threat Level 10/10 network avg: 5.3 ++

Total Reports 5 network avg: 1 ++

Geographic Comparison

Compared against 26,015 IPs in RU

Threat Level 10/10 country avg: 5.9 ++

Total Reports 5 country avg: 6 =

Daily report activity over the last 30 days showing patterns and peaks.

Peak Day 25 Oct 2026 2 reports

Daily Average 0.1 reports/day

Most Active Sunday 2 reports

Evolution of threat level over time based on reported categories and frequency.

Initial Threat 6/10

Current Threat 6/10

Distribution of threat categories reported over time.

Top Threat Categories

SSH 5

Hacking 1

Exploited Host 1

Activity patterns showing when this IP is most active during the day and week.

Hourly Activity

Peak activity at 05:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

1,155,979 threat incidents tracked globally • Last 24h: 31,232 Logs

FEED

Top Threat Sources

01

Brazil BR

257,747 22.3%
02

United States US

196,212 17%
03

India IN

100,059 8.7%
04

China CN

48,908 4.2%
05

Argentina AR

41,691 3.6%
06

SC SC

29,371 2.5%
07

Mexico MX

27,164 2.3%
08

Russia RU THIS IP

26,038 2.3%
09

Colombia CO

23,943 2.1%
10

Germany DE

21,879 1.9%

+40 more countries

THREAT LEVEL

LOW MED HIGH

Critical Alert

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

Reputable Network

Security Recommendations

Basic Information

Geolocation

DNS Information

Statistics

Global Threat Ranking

Top Threat Categories

Hourly Activity

Weekly Activity

FEED

Top Threat Sources

JSON Report

Firewall Rules

iptables / netfilter

UFW (Ubuntu)

Windows Firewall

Cloudflare

nginx

Apache .htaccess

PDF Report

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