Is IP address 154.221.19.37 dangerous?

Yes, 154.221.19.37 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 154.221.19.37?

IP address 154.221.19.37 is operated by YISU CLOUD LTD (ASN 142403) and is geolocated to HK. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 154.221.19.37?

Yes, blocking 154.221.19.37 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 154.221.19.37?

Our threat assessment for 154.221.19.37 has a confidence score of 19%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

154.221.19.37

IPv4 Public

AS142403

YISU CLOUD LTD

1 Reports

HK Location

YISU CLOUD LTD ASN 142403

1 Reports

Honeypot Data Source

Substantial Risk

Threat level 7/10 for 154.221.19.37 based on 1 documented incidents.

Consistent suspicious behavior patterns. 19% confidence rating.

More threatening than 56% of monitored IPs

Threat Categories

Hacking 1

Technical Details

General hacking activity includes various intrusion attempts, exploitation of vulnerabilities, and unauthorized access attempts.

Recommended Mitigations

Keep systems patched, implement intrusion detection, and follow security best practices.

Reputable Network

This IP is hosted on a network (ASN 142403) 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

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 18% Low Confidence

Date	Categories	Source	Confidence
5. Feb 2026	Hacking	Honeypot x4	75%

Basic Information

IP Address: 154.221.19.37
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: HK
ASN: AS142403
ISP: YISU CLOUD LTD

DNS Information

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

Statistics

Total Reports: 1
First Reported: 5 Feb 2026
Last Reported: 6 Feb 2026, 01:43

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: AS142403

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

1,493

Total Reports

41.5

Reports per IP

Network Context

This IP address belongs to YISU CLOUD LTD (AS142403), which manages 36 IP addresses in our monitoring system. Out of these, 1,493 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

56 %

Global Threat Ranking

This IP is more threatening than 56% of all IPs in our database.

Above Average Threat

Global Comparison

Compared against 200,047 reported IPs worldwide

Threat Level 7/10 avg: 5.3 +

Total Reports 1 avg: 23 --

Network Comparison

Compared against 55 IPs in ASN 142403

Threat Level 7/10 network avg: 7.9 =

Total Reports 1 network avg: 30 --

Network YISU CLOUD LTD has overall threat level 3/10

Geographic Comparison

Compared against 2,693 IPs in HK

Threat Level 7/10 country avg: 6.1 +

Total Reports 1 country avg: 45 --

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Thursday 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

Hacking 1

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

Hourly Activity

Peak activity at 17:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

187,719 threat incidents tracked globally • Last 24h: 18,896 Logs

FEED

Top Threat Sources

01

United States US

38,493 20.5%
02

India IN

29,262 15.6%
03

China CN

26,047 13.9%
04

Brazil BR

10,264 5.5%
05

Germany DE

7,151 3.8%
06

Singapore SG

6,479 3.5%
07

Indonesia ID

5,560 3%
08

Russia RU

4,712 2.5%
09

Pakistan PK

4,710 2.5%
10

Netherlands NL

4,363 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

89% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Substantial 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

reportedIP

Parkstraße 19, 80339 München

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