Is IP address 103.166.182.155 dangerous?

Yes, 103.166.182.155 is considered dangerous with a threat level of 10/10. It has been reported 10 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 103.166.182.155?

IP address 103.166.182.155 is operated by VIETNAM POSTS AND TELECOMMUNICATIONS GROUP (ASN 135905) and is geolocated to VN. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 103.166.182.155?

Yes, blocking 103.166.182.155 is strongly recommended. With a threat level of 10/10 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 103.166.182.155?

Our threat assessment for 103.166.182.155 has a confidence score of 93%, based on 10 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

103.166.182.155

IPv4 Public

AS135905

VIETNAM POSTS AND TELECOMMUNICATIONS GROUP

10 Reports

Vietnam Location

VIETNAM POSTS AND TELECOM... ASN 135905

10 Reports

Honeypot Data Source

Critical Alert

Security alert: 103.166.182.155 rated 10/10 based on 10 verified incidents.

Threat profile indicates sustained malicious activity with 93% confidence rating.

More threatening than 98% of monitored IPs

Threat Categories

SSH 9

Hacking 5

Exploited Host 1

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.

Behavioral Analysis

Activity Pattern: Recent Spike

Significant activity increase over past 7 days indicates renewed threat actor interest or system compromise.

First Observed 26. May 2026

Last Activity 11. June 2026

Recent (7 days) 6 incidents

Moderate Network Risk

The network hosting this IP (ASN 135905, operated by VIETNAM POSTS AND TELECOMMUNICATIONS GROUP) shows moderate threat indicators. Some concerning activity has been detected from neighboring addresses.

Consider the network context when assessing this individual IP.

Security Recommendations

Implement immediate countermeasures. Well-resourced threat actor identified.

Immediate monitoring recommended.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 8/10 High

Confidence Score 93% Verified

Confidence History

26. May 2026 - 11. Jun 2026

93% Current

Stable Trend

Date	Categories	Source	Confidence
11. Jun 2026	SSH Hacking	Honeypot x2	75%
11. Jun 2026	Hacking SSH	Honeypot x2	75%
11. Jun 2026	SSH Hacking	Honeypot x2	75%
11. Jun 2026	Hacking	Honeypot	75%
11. Jun 2026	Exploited Host SSH	Honeypot x2	75%
11. Jun 2026	Hacking SSH	Honeypot x2	75%
30. May 2026	SSH	Honeypot	75%
27. May 2026	SSH	Honeypot	75%
27. May 2026	SSH	Honeypot	75%
26. May 2026	SSH	Honeypot	75%

Basic Information

IP Address: 103.166.182.155
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: VN
ASN: AS135905
ISP: VIETNAM POSTS AND TELECOMMUNICATIONS GROUP

DNS Information

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

Statistics

Total Reports: 10
First Reported: 26 May 2026
Last Reported: 11 Jun 2026, 21:10

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: AS135905

Organization: VIETNAM POSTS AND TELECOMMUNICATIONS GROUP

Country:

Network Threat Assessment

4/10

This network has low threat indicators with minimal suspicious activity.

Network Statistics

Total IPs Monitored

4,713

Total Reports

49.1

Reports per IP

Network Context

This IP address belongs to VIETNAM POSTS AND TELECOMMUNICATIONS GROUP (AS135905), which manages 96 IP addresses in our monitoring system. Out of these, 4,713 have been reported for suspicious activities, resulting in a network-wide threat level of 4/10.

Network notice: This network shows some suspicious activity patterns. Monitor interactions with IPs from this ASN.

Comparative Analysis

How this IP compares to others in our threat intelligence database

98 %

Global Threat Ranking

This IP is more threatening than 98% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 209,002 reported IPs worldwide

Threat Level 10/10 avg: 5.4 ++

Total Reports 10 avg: 22 --

Network Comparison

Compared against 116 IPs in ASN 135905

Threat Level 10/10 network avg: 6.9 +

Total Reports 10 network avg: 44 --

Network VIETNAM POSTS AND TELECOMMUNICATIONS GROUP has overall threat level 4/10

Geographic Comparison

Compared against 2,664 IPs in VN

Threat Level 10/10 country avg: 5.4 ++

Total Reports 10 country avg: 21 --

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

Peak Day 11 Jun 2026 6 reports

Daily Average 0.3 reports/day

Most Active Thursday 6 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 9

Hacking 5

Exploited Host 1

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

Hourly Activity

Peak activity at 20:00 with 5 reports

Weekly Activity

Geographic Threat Distribution

195,987 threat incidents tracked globally • Last 24h: 17,363 Logs

FEED

Top Threat Sources

01

United States US

40,053 20.4%
02

India IN

31,271 16%
03

China CN

26,700 13.6%
04

Brazil BR

10,640 5.4%
05

Germany DE

7,415 3.8%
06

Singapore SG

6,671 3.4%
07

Indonesia ID

5,829 3%
08

Pakistan PK

5,067 2.6%
09

Russia RU

5,010 2.6%
10

Netherlands NL

4,563 2.3%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

9/10 Avg Threat

94% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Critical Alert

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

Moderate Network Risk

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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Parkstraße 19, 80339 München

Consultation

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