Is IP address 171.100.156.38 dangerous?

Yes, 171.100.156.38 is considered dangerous with a threat level of 7/10. It has been reported 5 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 171.100.156.38?

IP address 171.100.156.38 is operated by TRUE INTERNET Co.,Ltd. (ASN 7470) and is geolocated to TH. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 171.100.156.38?

Yes, blocking 171.100.156.38 is strongly recommended. With a threat level of 7/10 and 5 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 171.100.156.38?

Our threat assessment for 171.100.156.38 has a confidence score of 2%, based on 5 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

171.100.156.38

IPv4 Public

AS7470

TRUE INTERNET Co.,Ltd.

5 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

Thailand Location

TRUE INTERNET Co.,Ltd. ASN 7470

5 Reports

Mixed Data Source

Significant Threat

IP 171.100.156.38 identified as significant threat (7/10) from 5 events.

Multiple malicious indicators detected. Confidence level: 2%.

More threatening than 66% of monitored IPs

Threat Categories

Brute-Force 3

Email Spam 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.

Reputable Network

This IP is hosted on a network (ASN 7470) with generally good reputation. The ISP TRUE INTERNET Co.,Ltd. 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.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 7/10 High

High

Activity Frequency 0/10 Inactive

Confidence Score 2% Low Confidence

Confidence History

9. May 2026 - 29. May 2026

2% Current

Stable Trend

Date	Categories	Source	Confidence
29. May 2026	Brute-Force	Community	75%
25. May 2026	Brute-Force	Community	75%
15. May 2026	Brute-Force	Community	75%
13. May 2026	Email Spam	Honeypot	75%
9. May 2026	Email Spam	Honeypot	75%

Basic Information

IP Address: 171.100.156.38
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: TH
ASN: AS7470
ISP: TRUE INTERNET Co.,Ltd.

DNS Information

Reverse DNS: mail.sotus.co.th
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 5
First Reported: 9 May 2026
Last Reported: 29 May 2026, 04:09

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: AS7470

Organization: TRUE INTERNET Co.,Ltd.

Country:

Network Threat Assessment

3/10

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

Network Statistics

Total IPs Monitored

Total Reports

2.8

Reports per IP

Network Context

This IP address belongs to TRUE INTERNET Co.,Ltd. (AS7470), which manages 16 IP addresses in our monitoring system. Out of these, 44 have been reported for suspicious activities, resulting in a network-wide threat level of 3/10.

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

66 %

Global Threat Ranking

This IP is more threatening than 66% of all IPs in our database.

Above Average Threat

Global Comparison

Compared against 806,273 reported IPs worldwide

Threat Level 7/10 avg: 6.3 =

Total Reports 5 avg: 9 -

Network Comparison

Compared against 26 IPs in ASN 7470

Threat Level 7/10 network avg: 6.9 =

Total Reports 5 network avg: 3 ++

Network TRUE INTERNET Co.,Ltd. has overall threat level 3/10

Geographic Comparison

Compared against 3,970 IPs in TH

Threat Level 7/10 country avg: 6.7 =

Total Reports 5 country avg: 8 -

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Friday 2 reports

Evolution of threat level over time based on reported categories and frequency.

Initial Threat 3/10

Current Threat 4/10

Distribution of threat categories reported over time.

Top Threat Categories

Brute-Force 3

Email Spam 2

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

Hourly Activity

Peak activity at 04:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

733,188 threat incidents tracked globally • Last 24h: 28,825 Logs

FEED

Top Threat Sources

01

United States US

143,190 19.5%
02

Brazil BR

110,727 15.1%
03

India IN

82,109 11.2%
04

China CN

44,727 6.1%
05

SC SC

29,233 4%
06

Germany DE

17,474 2.4%
07

Netherlands NL

17,459 2.4%
08

Pakistan PK

16,628 2.3%
09

Argentina AR

16,188 2.2%
10

Colombia CO

15,132 2.1%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

6.9/10 Avg Threat

15% Avg Confidence

17 High Threat

High-risk network: Majority of related IPs are flagged

Significant Threat

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

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Windows Firewall

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nginx

Apache .htaccess

PDF Report

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