Is IP address 103.121.62.78 dangerous?

Yes, 103.121.62.78 is considered dangerous with a threat level of 8/10. It has been reported 3 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 103.121.62.78?

IP address 103.121.62.78 is operated by Mohammad SAHIDUL ISLAM (ASN 138146) and is geolocated to BD. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 103.121.62.78?

Yes, blocking 103.121.62.78 is strongly recommended. With a threat level of 8/10 and 3 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 103.121.62.78?

Our threat assessment for 103.121.62.78 has a confidence score of 14%, based on 3 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

103.121.62.78

IPv4 Public

AS138146

Mohammad SAHIDUL ISLAM

3 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

Mohammad SAHIDUL ISLAM ASN 138146

3 Reports

Mixed Data Source

Substantial Risk

Threat level 8/10 for 103.121.62.78 based on 3 documented incidents.

Consistent suspicious behavior patterns. 14% confidence rating.

More threatening than 87% of monitored IPs

Threat Categories

Brute-Force 2

WP Login 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.

High-Risk Network Association

This IP belongs to a network (ASN 138146) with elevated threat levels. The ISP Mohammad SAHIDUL ISLAM hosts multiple reported malicious addresses, suggesting systemic security issues or permissive policies.

Network-wide patterns may indicate this is part of a larger malicious infrastructure.

Security Recommendations

Configure firewall rules and intrusion detection alerts.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 0/10 Inactive

Confidence Score 11% Low Confidence

Confidence History

17. Aug 2026 - 22. Aug 2026

14% Current

Stable Trend

Date	Categories	Source	Confidence
22. Aug 2026	Brute-Force	Community	75%
22. Aug 2026	WP Login Brute Force	Honeypot	75%
17. Aug 2026	Brute-Force	Community	75%

Basic Information

IP Address: 103.121.62.78
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: BD
ASN: AS138146
ISP: Mohammad SAHIDUL ISLAM

DNS Information

Reverse DNS: client.northbengalonline.com.bd
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 3
First Reported: 17 Aug 2026
Last Reported: 22 Aug 2026, 06:55

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: AS138146

Organization: Mohammad SAHIDUL ISLAM

Country:

Network Threat Assessment

7/10

This network shows moderate threat levels with some malicious activity patterns.

Network Statistics

Total IPs Monitored

Total Reports

Reports per IP

Network Context

This IP address belongs to Mohammad SAHIDUL ISLAM (AS138146), which manages 1 IP addresses in our monitoring system. Out of these, 1 have been reported for suspicious activities, resulting in a network-wide threat level of 7/10.

Network warning: This network has elevated threat levels. Exercise caution when interacting with IPs from this ASN.

Comparative Analysis

How this IP compares to others in our threat intelligence database

87 %

Global Threat Ranking

This IP is more threatening than 87% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 831,968 reported IPs worldwide

Threat Level 8/10 avg: 6.3 +

Total Reports 3 avg: 9 --

Network Comparison

Compared against 16 IPs in ASN 138146

Threat Level 8/10 network avg: 7.5 =

Total Reports 3 network avg: 4 -

Network Mohammad SAHIDUL ISLAM has overall threat level 7/10

Geographic Comparison

Compared against 4,663 IPs in BD

Threat Level 8/10 country avg: 6.4 +

Total Reports 3 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 Saturday 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 2

WP Login Brute Force 1

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

Hourly Activity

Peak activity at 06:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

756,324 threat incidents tracked globally • Last 24h: 29,126 Logs

FEED

Top Threat Sources

01

United States US

147,961 19.6%
02

Brazil BR

111,800 14.8%
03

India IN

87,106 11.5%
04

China CN

46,037 6.1%
05

SC SC

29,252 3.9%
06

Germany DE

18,344 2.4%
07

Netherlands NL

17,967 2.4%
08

Pakistan PK

17,783 2.4%
09

Argentina AR

16,265 2.2%
10

Colombia CO

15,169 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

15 Related IPs

7.5/10 Avg Threat

24% Avg Confidence

12 High Threat

High-risk network: Majority of related IPs are flagged

Substantial Risk

Threat Categories

Technical Details

Recommended Mitigations

High-Risk Network Association

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