Is IP address 103.121.36.109 dangerous?

103.121.36.109 presents moderate risk with a threat level of 6/10. While not critically dangerous, it has been associated with activity. Monitoring and conditional blocking is recommended.

Who owns or operates IP address 103.121.36.109?

IP address 103.121.36.109 is operated by Digital Dot Net (DDN) (ASN 134599) and is geolocated to BD. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 103.121.36.109?

Blocking 103.121.36.109 is advisable for security-sensitive environments. With a threat level of 6/10, consider implementing conditional blocks or rate limiting.

How accurate is this threat assessment for 103.121.36.109?

Our threat assessment for 103.121.36.109 has a confidence score of 23%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

103.121.36.109

IPv4 Public

AS134599

Digital Dot Net (DDN)

1 Reports

Is this your IP address? If the cause is fixed, you can request removal. Free of charge, usually decided within 48 hours. Request delisting

Bangladesh Location

Digital Dot Net (DDN) ASN 134599

1 Reports

Community Data Source

Cautionary Risk

IP 103.121.36.109 rated 6/10 from 1 security events.

Mixed behavior profile detected. Confidence: 23%.

More threatening than 46% of monitored IPs

Threat Categories

Brute-Force 1

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.

Reputable Network

This IP is hosted on a network (ASN 134599) with generally good reputation. The ISP Digital Dot Net (DDN) maintains standard security practices.

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

Security Recommendations

Apply balanced security measures based on risk tolerance.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 6/10 Medium

High

Activity Frequency 2/10 Very Low

Confidence Score 1% Low Confidence

Date	Categories	Source	Confidence
20. Jul 2026	Brute-Force	Community	75%

Basic Information

IP Address: 103.121.36.109
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: BD
ASN: AS134599
ISP: Digital Dot Net (DDN)

DNS Information

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

Statistics

Total Reports: 1
First Reported: 20 Jul 2026
Last Reported: 20 Jul 2026, 11:22

Comparative Analysis

How this IP compares to others in our threat intelligence database

46 %

Global Threat Ranking

This IP is more threatening than 46% of all IPs in our database.

Below Average Threat

Global Comparison

Compared against 832,880 reported IPs worldwide

Threat Level 6/10 avg: 6.3 =

Total Reports 1 avg: 9 --

Network Comparison

Compared against 19 IPs in ASN 134599

Threat Level 6/10 network avg: 6.3 =

Total Reports 1 network avg: 2 --

Geographic Comparison

Compared against 4,672 IPs in BD

Threat Level 6/10 country avg: 6.4 =

Total Reports 1 country avg: 6 --

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Monday 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

Brute-Force 1

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

Hourly Activity

Peak activity at 11:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

757,167 threat incidents tracked globally • Last 24h: 30,056 Logs

FEED

Top Threat Sources

01

United States US

148,193 19.6%
02

Brazil BR

111,856 14.8%
03

India IN

87,184 11.5%
04

China CN

46,075 6.1%
05

SC SC

29,252 3.9%
06

Germany DE

18,398 2.4%
07

Netherlands NL

17,986 2.4%
08

Pakistan PK

17,818 2.4%
09

Argentina AR

16,267 2.1%
10

Colombia CO

15,169 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

18 Related IPs

6.3/10 Avg Threat

26% Avg Confidence

8 High Threat

Elevated risk: Multiple related IPs are flagged

Cautionary Risk

Threat Categories

Technical Details

Recommended Mitigations

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

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