Is IP address 91.185.55.153 dangerous?

Yes, 91.185.55.153 is considered dangerous with a threat level of 7/10. It has been reported 1 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 91.185.55.153?

IP address 91.185.55.153 is operated by JSC ER-Telecom Holding (ASN 8345) and is geolocated to RU. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 91.185.55.153?

Yes, blocking 91.185.55.153 is strongly recommended. With a threat level of 7/10 and 1 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 91.185.55.153?

Our threat assessment for 91.185.55.153 has a confidence score of 19%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

91.185.55.153

IPv4 Public

AS8345

JSC ER-Telecom Holding

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

RU Location

JSC ER-Telecom Holding ASN 8345

1 Reports

Honeypot Data Source

Substantial Risk

Threat level 7/10 for 91.185.55.153 based on 1 documented incidents.

Consistent suspicious behavior patterns. 19% confidence rating.

More threatening than 78% of monitored IPs

Threat Categories

Exploited Host 1

Technical Details

This IP belongs to a compromised system being used as an attack platform without the owner's knowledge.

Recommended Mitigations

Block the IP and consider notifying the hosting provider or system owner about the compromise.

Moderate Network Risk

The network hosting this IP (ASN 8345, operated by JSC ER-Telecom Holding) shows moderate threat indicators. Some concerning activity has been detected from neighboring addresses.

Consider the network context when assessing this individual IP.

Security Recommendations

Configure firewall rules and intrusion detection alerts.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 7/10 High

High

Activity Frequency 0/10 Inactive

Confidence Score 0% Unverified

Date	Categories	Source	Confidence
4. Feb 2026	Exploited Host	Honeypot x4	75%

Basic Information

IP Address: 91.185.55.153
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: RU
ASN: AS8345
ISP: JSC ER-Telecom Holding

DNS Information

Reverse DNS: 91-185-55-153-irk.cust.dsi.ru
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 1
First Reported: 4 Feb 2026
Last Reported: 4 Feb 2026, 15:08

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: AS8345

Organization: JSC ER-Telecom Holding

Country:

Network Threat Assessment

6/10

This network shows moderate threat levels with some malicious activity patterns.

Network Statistics

Total IPs Monitored

265

Total Reports

29.4

Reports per IP

Network Context

This IP address belongs to JSC ER-Telecom Holding (AS8345), which manages 9 IP addresses in our monitoring system. Out of these, 265 have been reported for suspicious activities, resulting in a network-wide threat level of 6/10.

Network warning: This network has elevated threat levels. Exercise caution when interacting with IPs from this ASN.

Comparative Analysis

How this IP compares to others in our threat intelligence database

78 %

Global Threat Ranking

This IP is more threatening than 78% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 806,261 reported IPs worldwide

Threat Level 7/10 avg: 6.3 =

Total Reports 1 avg: 9 --

Network Comparison

Compared against 17 IPs in ASN 8345

Threat Level 7/10 network avg: 8.3 -

Total Reports 1 network avg: 17 --

Network JSC ER-Telecom Holding has overall threat level 6/10

Geographic Comparison

Compared against 13,261 IPs in RU

Threat Level 7/10 country avg: 6.4 =

Total Reports 1 country avg: 9 --

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Wednesday 1 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

Exploited Host 1

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

Hourly Activity

Peak activity at 11:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

733,188 threat incidents tracked globally • Last 24h: 28,825 Logs

FEED

Top Threat Sources

01

United States US

143,190 19.5%
02

Brazil BR

110,727 15.1%
03

India IN

82,109 11.2%
04

China CN

44,727 6.1%
05

SC SC

29,233 4%
06

Germany DE

17,474 2.4%
07

Netherlands NL

17,459 2.4%
08

Pakistan PK

16,628 2.3%
09

Argentina AR

16,188 2.2%
10

Colombia CO

15,132 2.1%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

16 Related IPs

8.4/10 Avg Threat

20% Avg Confidence

15 High Threat

High-risk network: Majority of related IPs are flagged

Substantial Risk

Threat Categories

Technical Details

Recommended Mitigations

Moderate Network Risk

Security Recommendations

Basic Information

Geolocation

DNS Information

Statistics

Network Reputation

Network Identity

Network Threat Assessment

Network Statistics

Network Context

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

Analyzed high-risk IP addresses