Is IP address 103.111.187.21 dangerous?

Yes, 103.111.187.21 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 103.111.187.21?

IP address 103.111.187.21 is operated by PT Cyberindo Aditama (ASN 4787) and is geolocated to ID. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 103.111.187.21?

Yes, blocking 103.111.187.21 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 103.111.187.21?

Our threat assessment for 103.111.187.21 has a confidence score of 92%, based on 10 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

103.111.187.21

IPv4 Public

AS4787

PT Cyberindo Aditama

10 Reports

Indonesia Location

PT Cyberindo Aditama ASN 4787

10 Reports

Honeypot Data Source

High Risk

IP 103.111.187.21 rated at threat level 8/10 based on 10 security reports.

Pattern analysis reveals concerning activity. Confidence: 92%.

More threatening than 84% of monitored IPs

Threat Categories

SSH 10

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 4787) with generally good reputation. The ISP PT Cyberindo Aditama maintains standard security practices.

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

Security Recommendations

Monitor closely and consider blocking. Escalation potential detected.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 7/10 High

Confidence Score 70% High Confidence

Confidence History

13. May 2026 - 20. May 2026

92% Current

Stable Trend

Date	Categories	Source	Confidence
20. May 2026	SSH	Honeypot	75%
19. May 2026	SSH	Honeypot	75%
19. May 2026	SSH	Honeypot	75%
18. May 2026	SSH	Honeypot	75%
18. May 2026	SSH	Honeypot	75%
16. May 2026	SSH	Honeypot	75%
16. May 2026	SSH	Honeypot	75%
15. May 2026	SSH	Honeypot	75%
15. May 2026	SSH	Honeypot	75%
13. May 2026	SSH	Honeypot	75%

Basic Information

IP Address: 103.111.187.21
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: ID
ASN: AS4787
ISP: PT Cyberindo Aditama

DNS Information

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

Statistics

Total Reports: 10
First Reported: 13 May 2026
Last Reported: 20 May 2026, 09:40

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: AS4787

Organization: PT Cyberindo Aditama

Country:

Network Threat Assessment

2/10

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

Network Statistics

Total IPs Monitored

Total Reports

5.6

Reports per IP

Network Context

This IP address belongs to PT Cyberindo Aditama (AS4787), which manages 5 IP addresses in our monitoring system. Out of these, 28 have been reported for suspicious activities, resulting in a network-wide threat level of 2/10.

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

84 %

Global Threat Ranking

This IP is more threatening than 84% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 291,522 reported IPs worldwide

Threat Level 8/10 avg: 5.9 +

Total Reports 10 avg: 18 -

Network Comparison

Compared against 13 IPs in ASN 4787

Threat Level 8/10 network avg: 6.4 +

Total Reports 10 network avg: 13 -

Network PT Cyberindo Aditama has overall threat level 2/10

Geographic Comparison

Compared against 7,832 IPs in ID

Threat Level 8/10 country avg: 5.9 +

Total Reports 10 country avg: 12 -

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Monday 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

SSH 10

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

Hourly Activity

Peak activity at 04:00 with 3 reports

Weekly Activity

Geographic Threat Distribution

273,495 threat incidents tracked globally • Last 24h: 17,131 Logs

FEED

Top Threat Sources

01

United States US

61,513 22.5%
02

India IN

45,249 16.5%
03

China CN

34,048 12.4%
04

Brazil BR

14,653 5.4%
05

Germany DE

9,818 3.6%
06

Singapore SG

7,936 2.9%
07

Indonesia ID THIS IP

7,832 2.9%
08

Pakistan PK

7,761 2.8%
09

Russia RU

6,145 2.2%
10

Netherlands NL

5,886 2.2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

12 Related IPs

6.3/10 Avg Threat

41% Avg Confidence

8 High Threat

High-risk network: Majority of related IPs are flagged

High 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

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