Is IP address 103.158.121.155 dangerous?

Yes, 103.158.121.155 is considered dangerous with a threat level of 7/10. It has been reported 7 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 103.158.121.155?

IP address 103.158.121.155 is operated by PT Anugerah Cimanuk Raya (ASN 141127) and is geolocated to ID. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 103.158.121.155?

Yes, blocking 103.158.121.155 is strongly recommended. With a threat level of 7/10 and 7 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 103.158.121.155?

Our threat assessment for 103.158.121.155 has a confidence score of 38%, based on 7 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

103.158.121.155

IPv4 Public

AS141127

PT Anugerah Cimanuk Raya

7 Reports

Indonesia Location

PT Anugerah Cimanuk Raya ASN 141127

7 Reports

Community Data Source

Significant Threat

IP 103.158.121.155 identified as significant threat (7/10) from 7 events.

Multiple malicious indicators detected. Confidence level: 38%.

More threatening than 70% of monitored IPs

Threat Categories

Brute-Force 7

Technical Details

Brute-force attacks systematically attempt password combinations against authentication systems.

Recommended Mitigations

Implement rate limiting, account lockout policies, multi-factor authentication, and fail2ban.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over 1 week indicates persistent threat actor operations.

First Observed 22. May 2026

Last Activity 2. June 2026

Recent (7 days) 0 incidents

Reputable Network

This IP is hosted on a network (ASN 141127) with generally good reputation. The ISP PT Anugerah Cimanuk Raya 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.

Long-term blocking recommended.

Reputation Summary

Threat Level 7/10 High

High

Activity Frequency 3/10 Low

Confidence Score 29% Medium Confidence

Confidence History

22. May 2026 - 2. Jun 2026

38% Current

Stable Trend

Date	Categories	Source	Confidence
2. Jun 2026	Brute-Force	Community	75%
30. May 2026	Brute-Force	Community	75%
28. May 2026	Brute-Force	Community	75%
26. May 2026	Brute-Force	Community	75%
25. May 2026	Brute-Force	Community	75%
24. May 2026	Brute-Force	Community	75%
22. May 2026	Brute-Force	Community	75%

Basic Information

IP Address: 103.158.121.155
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: ID
ASN: AS141127
ISP: PT Anugerah Cimanuk Raya

DNS Information

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

Statistics

Total Reports: 7
First Reported: 22 May 2026
Last Reported: 2 Jun 2026, 11:22

Comparative Analysis

How this IP compares to others in our threat intelligence database

70 %

Global Threat Ranking

This IP is more threatening than 70% of all IPs in our database.

Above Average Threat

Global Comparison

Compared against 199,721 reported IPs worldwide

Threat Level 7/10 avg: 5.3 +

Total Reports 7 avg: 23 --

Network Comparison

Compared against 17 IPs in ASN 141127

Threat Level 7/10 network avg: 7.4 =

Total Reports 7 network avg: 8 -

Geographic Comparison

Compared against 5,551 IPs in ID

Threat Level 7/10 country avg: 5.4 +

Total Reports 7 country avg: 16 --

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

Peak Day 22 May 2026 1 reports

Daily Average 0.2 reports/day

Most Active Tuesday 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

Brute-Force 7

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

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 THIS IP

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.

16 Related IPs

7.4/10 Avg Threat

44% Avg Confidence

16 High Threat

High-risk network: Majority of related IPs are flagged

Significant Threat

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

Analyzed high-risk IP addresses

reportedIP

Parkstraße 19, 80339 München

Consultation

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Report a IP

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