Is IP address 103.158.121.146 dangerous?

Yes, 103.158.121.146 is considered dangerous with a threat level of 8/10. It has been reported 20 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 103.158.121.146?

IP address 103.158.121.146 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 103.158.121.146?

Yes, blocking 103.158.121.146 is strongly recommended. With a threat level of 8/10 and 20 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 103.158.121.146?

Our threat assessment for 103.158.121.146 has a confidence score of 47%, based on 20 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

103.158.121.146

IPv4 Public

AS141127

PT Anugerah Cimanuk Raya

20 Reports

Indonesia Location

PT Anugerah Cimanuk Raya ASN 141127

20 Reports

Mixed Data Source

Significant Threat

IP 103.158.121.146 identified as significant threat (8/10) from 20 events.

Multiple malicious indicators detected. Confidence level: 47%.

More threatening than 79% of monitored IPs

Threat Categories

Brute-Force 19

WP Login Brute Force 2

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 6 days indicates persistent threat actor operations.

First Observed 13. July 2026

Last Activity 19. July 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 8/10 High

Critical

Activity Frequency 3/10 Low

Confidence Score 35% Medium Confidence

Confidence History

16. May 2026 - 19. Jul 2026

47% Current

Stable Trend

Date	Categories	Source	Confidence
19. Jul 2026	Brute-Force	Community	75%
13. Jul 2026	WP Login Brute Force	Honeypot	75%
13. Jul 2026	WP Login Brute Force Brute-Force	Community	75%
5. Jul 2026	Brute-Force	Community	75%
4. Jul 2026	Brute-Force	Community	75%
14. Jun 2026	Brute-Force	Community	75%
11. Jun 2026	Brute-Force	Community	75%
8. Jun 2026	Brute-Force	Community	75%
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%
21. May 2026	Brute-Force	Community	75%
20. May 2026	Brute-Force	Community	75%
19. May 2026	Brute-Force	Community	75%
18. May 2026	Brute-Force	Community	75%
16. May 2026	Brute-Force	Community	75%

Basic Information

IP Address: 103.158.121.146
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: 20
First Reported: 16 May 2026
Last Reported: 19 Jul 2026, 04:00

Comparative Analysis

How this IP compares to others in our threat intelligence database

79 %

Global Threat Ranking

This IP is more threatening than 79% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 312,132 reported IPs worldwide

Threat Level 8/10 avg: 6.0 +

Total Reports 20 avg: 18 =

Network Comparison

Compared against 23 IPs in ASN 141127

Threat Level 8/10 network avg: 7.3 =

Total Reports 20 network avg: 9 ++

Geographic Comparison

Compared against 8,404 IPs in ID

Threat Level 8/10 country avg: 6.0 +

Total Reports 20 country avg: 12 ++

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

Peak Day 13 Jul 2026 2 reports

Daily Average 0.1 reports/day

Most Active Monday 5 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 19

WP Login Brute Force 2

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

Hourly Activity

Peak activity at 05:00 with 6 reports

Weekly Activity

Geographic Threat Distribution

292,711 threat incidents tracked globally • Last 24h: 17,660 Logs

FEED

Top Threat Sources

01

United States US

65,787 22.5%
02

India IN

49,120 16.8%
03

China CN

35,633 12.2%
04

Brazil BR

15,556 5.3%
05

Germany DE

10,500 3.6%
06

Pakistan PK

8,479 2.9%
07

Indonesia ID THIS IP

8,404 2.9%
08

Singapore SG

8,312 2.8%
09

Russia RU

6,394 2.2%
10

Netherlands NL

6,295 2.2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

7.3/10 Avg Threat

34% Avg Confidence

18 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