Is IP address 178.154.239.158 dangerous?

178.154.239.158 presents moderate risk with a threat level of 5/10. While not critically dangerous, it has been associated with activity. Monitoring and conditional blocking is recommended.

Who owns or operates IP address 178.154.239.158?

IP address 178.154.239.158 is operated by Yandex.Cloud LLC (ASN 200350) and is geolocated to RU. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 178.154.239.158?

Blocking 178.154.239.158 is advisable for security-sensitive environments. With a threat level of 5/10, consider implementing conditional blocks or rate limiting.

How accurate is this threat assessment for 178.154.239.158?

Our threat assessment for 178.154.239.158 has a confidence score of 19%, based on 3 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

178.154.239.158

IPv4 Public

AS200350

Yandex.Cloud LLC

3 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

Yandex.Cloud LLC ASN 200350

3 Reports

Honeypot Data Source

Measured Risk

IP 178.154.239.158 threat rating: 5/10 from 3 observations.

Attention-worthy behavior detected. Confidence: 19%.

More threatening than 40% of monitored IPs

Threat Categories

Email Spam 3

Technical Details

Email spam involves mass distribution of unwanted emails, often for advertising, phishing, or malware delivery.

Recommended Mitigations

Implement SPF, DKIM, DMARC, and use reputable email filtering services.

Reputable Network

This IP is hosted on a network (ASN 200350) with generally good reputation. The ISP Yandex.Cloud LLC maintains standard security practices.

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

Security Recommendations

Standard security protocols sufficient. Monitor but no immediate blocking required.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 5/10 Medium

Medium

Activity Frequency 0/10 Inactive

Confidence Score 17% Low Confidence

Confidence History

25. Aug 2026

19% Current

Stable Trend

Date	Categories	Source	Confidence
25. Aug 2026	Email Spam	Honeypot	75%
25. Aug 2026	Email Spam	Honeypot x2	75%
25. Aug 2026	Email Spam	Honeypot	75%

Basic Information

IP Address: 178.154.239.158
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: RU
ASN: AS200350
ISP: Yandex.Cloud LLC

DNS Information

Reverse DNS: forward401b.mail.yandex.net
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 3
First Reported: 25 Aug 2026
Last Reported: 25 Aug 2026, 15:00

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: AS200350

Organization: Yandex.Cloud LLC

Country:

Network Threat Assessment

0/10

This network appears to be relatively clean with very low threat indicators.

Network Statistics

Total IPs Monitored

338

Total Reports

7.2

Reports per IP

Network Context

This IP address belongs to Yandex.Cloud LLC (AS200350), which manages 47 IP addresses in our monitoring system. Out of these, 338 have been reported for suspicious activities, resulting in a network-wide threat level of 0/10.

Network status: This network appears to be well-maintained with low threat indicators.

Comparative Analysis

How this IP compares to others in our threat intelligence database

40 %

Global Threat Ranking

This IP is more threatening than 40% of all IPs in our database.

Below Average Threat

Global Comparison

Compared against 806,704 reported IPs worldwide

Threat Level 5/10 avg: 6.3 -

Total Reports 3 avg: 9 --

Network Comparison

Compared against 81 IPs in ASN 200350

Threat Level 5/10 network avg: 7.2 -

Total Reports 3 network avg: 3 =

Network Yandex.Cloud LLC has overall threat level 0/10

Geographic Comparison

Compared against 13,268 IPs in RU

Threat Level 5/10 country avg: 6.4 -

Total Reports 3 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 Tuesday 3 reports

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

Initial Threat 3/10

Current Threat 3/10

Distribution of threat categories reported over time.

Top Threat Categories

Email Spam 3

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

Hourly Activity

Peak activity at 13:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

733,616 threat incidents tracked globally • Last 24h: 28,613 Logs

FEED

Top Threat Sources

01

United States US

143,307 19.5%
02

Brazil BR

110,760 15.1%
03

India IN

82,124 11.2%
04

China CN

44,769 6.1%
05

SC SC

29,233 4%
06

Germany DE

17,493 2.4%
07

Netherlands NL

17,477 2.4%
08

Pakistan PK

16,646 2.3%
09

Argentina AR

16,189 2.2%
10

Colombia CO

15,134 2.1%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

7.5/10 Avg Threat

18% Avg Confidence

17 High Threat

High-risk network: Majority of related IPs are flagged

Measured Risk

Threat Categories

Technical Details

Recommended Mitigations

Reputable Network

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