Is IP address 156.227.237.136 dangerous?

Yes, 156.227.237.136 is considered dangerous with a threat level of 8/10. It has been reported 10 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 156.227.237.136?

IP address 156.227.237.136 is operated by YISU CLOUD LTD (ASN 138152) and is geolocated to JP. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 156.227.237.136?

Yes, blocking 156.227.237.136 is strongly recommended. With a threat level of 8/10 and 10 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 156.227.237.136?

Our threat assessment for 156.227.237.136 has a confidence score of 77%, based on 10 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

156.227.237.136

IPv4 Public

AS138152

YISU CLOUD LTD

10 Reports

JP Location

YISU CLOUD LTD ASN 138152

10 Reports

Honeypot Data Source

Significant Threat

IP 156.227.237.136 identified as significant threat (8/10) from 10 events.

Multiple malicious indicators detected. Confidence level: 77%.

More threatening than 80% of monitored IPs

Threat Categories

SSH 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.

Reputable Network

This IP is hosted on a network (ASN 138152) with generally good reputation. The ISP YISU CLOUD LTD maintains standard security practices.

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

Security Recommendations

Implement rate limiting or temporary blocking measures.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 8/10 High

Confidence Score 53% High Confidence

Confidence History

19. Feb 2026 - 22. Feb 2026

77% Current

Stable Trend

Date	Categories	Source	Confidence
22. Feb 2026	SSH	Honeypot x2	75%
22. Feb 2026	SSH	Honeypot	75%
22. Feb 2026	SSH	Honeypot	75%
21. Feb 2026	SSH	Honeypot	75%
19. Feb 2026	SSH	Honeypot	75%

Basic Information

IP Address: 156.227.237.136
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: JP
ASN: AS138152
ISP: YISU CLOUD LTD

DNS Information

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

Statistics

Total Reports: 10
First Reported: 19 Feb 2026
Last Reported: 22 Feb 2026, 22:40

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: AS138152

Organization: YISU CLOUD LTD

Country:

Network Threat Assessment

3/10

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

Network Statistics

Total IPs Monitored

1,800

Total Reports

40.9

Reports per IP

Network Context

This IP address belongs to YISU CLOUD LTD (AS138152), which manages 44 IP addresses in our monitoring system. Out of these, 1,800 have been reported for suspicious activities, resulting in a network-wide threat level of 3/10.

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

80 %

Global Threat Ranking

This IP is more threatening than 80% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 199,762 reported IPs worldwide

Threat Level 8/10 avg: 5.3 ++

Total Reports 10 avg: 23 --

Network Comparison

Compared against 52 IPs in ASN 138152

Threat Level 8/10 network avg: 7.1 =

Total Reports 10 network avg: 39 --

Network YISU CLOUD LTD has overall threat level 3/10

Geographic Comparison

Compared against 2,547 IPs in JP

Threat Level 8/10 country avg: 6.4 +

Total Reports 10 country avg: 11 =

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Sunday 3 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

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

Hourly Activity

Peak activity at 17:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

187,378 threat incidents tracked globally • Last 24h: 18,990 Logs

FEED

Top Threat Sources

01

United States US

38,468 20.5%
02

India IN

29,138 15.6%
03

China CN

26,029 13.9%
04

Brazil BR

10,256 5.5%
05

Germany DE

7,144 3.8%
06

Singapore SG

6,476 3.5%
07

Indonesia ID

5,551 3%
08

Russia RU

4,703 2.5%
09

Pakistan PK

4,677 2.5%
10

Netherlands NL

4,358 2.3%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

9.4/10 Avg Threat

91% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Significant Threat

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

reportedIP

Parkstraße 19, 80339 München

Consultation

+49-89-215505888

Report a IP

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