Is IP address 103.166.184.148 dangerous?

Yes, 103.166.184.148 is considered dangerous with a threat level of 8/10. It has been reported 13 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 103.166.184.148?

IP address 103.166.184.148 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 103.166.184.148?

Yes, blocking 103.166.184.148 is strongly recommended. With a threat level of 8/10 and 13 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 103.166.184.148?

Our threat assessment for 103.166.184.148 has a confidence score of 92%, based on 13 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

103.166.184.148

IPv4 Public

AS135905

VIETNAM POSTS AND TELECOMMUNICATIONS GROUP

13 Reports

Vietnam Location

VIETNAM POSTS AND TELECOM... ASN 135905

13 Reports

Mixed Data Source

Elevated Risk

Elevated threat level 8/10 for IP 103.166.184.148 from 13 reported incidents.

Behavioral profile indicates cyber threat activity with 92% confidence.

More threatening than 81% of monitored IPs

Threat Categories

Brute-Force 10

Hacking 8

WP Login Brute Force 4

Port Scan 3

WP XML-RPC Brute Force 3

WP Plugin Exploit 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.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over 1 week indicates persistent threat actor operations.

First Observed 26. May 2026

Last Activity 8. June 2026

Recent (7 days) 12 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

Enhanced monitoring recommended. Review logs for interactions with this IP.

Long-term blocking recommended.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 6/10 Moderate

Confidence Score 92% Verified

Confidence History

26. May 2026 - 8. Jun 2026

92% Current

Stable Trend

Date	Categories	Source	Confidence
8. Jun 2026 New	Brute-Force	Community	75%
6. Jun 2026	Hacking Brute-Force WP Login Brute Force	Honeypot	75%
6. Jun 2026	Hacking Brute-Force WP Login Brute Force	Honeypot	75%
6. Jun 2026	Port Scan Hacking WP XML-RPC Brute Force	Honeypot	75%
5. Jun 2026	Brute-Force	Community	75%
5. Jun 2026	Port Scan Hacking WP XML-RPC Brute Force	Honeypot	75%
5. Jun 2026	Port Scan Hacking WP XML-RPC Brute Force	Honeypot	75%
5. Jun 2026	Brute-Force	Community	75%
4. Jun 2026	Brute-Force	Community	75%
4. Jun 2026	Brute-Force	Community	75%
4. Jun 2026	Hacking Brute-Force WP Login Brute Force	Honeypot	75%
3. Jun 2026	Hacking Brute-Force WP Login Brute Force	Honeypot	75%
26. May 2026	Hacking Brute-Force WP Plugin Exploit +1	Honeypot	75%

Basic Information

IP Address: 103.166.184.148
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: 103.166.184.148.cloudfly.vn
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 13
First Reported: 26 May 2026
Last Reported: 8 Jun 2026, 16:54

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

81 %

Global Threat Ranking

This IP is more threatening than 81% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 199,468 reported IPs worldwide

Threat Level 8/10 avg: 5.3 ++

Total Reports 13 avg: 23 -

Network Comparison

Compared against 112 IPs in ASN 135905

Threat Level 8/10 network avg: 6.7 +

Total Reports 13 network avg: 45 --

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

Geographic Comparison

Compared against 2,566 IPs in VN

Threat Level 8/10 country avg: 5.3 ++

Total Reports 13 country avg: 21 -

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

Peak Day 5 Jun 2026 4 reports

Daily Average 0.4 reports/day

Most Active Friday 4 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 10

Hacking 8

WP Login Brute Force 4

Port Scan 3

WP XML-RPC Brute Force 3

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

Hourly Activity

Peak activity at 01:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

187,140 threat incidents tracked globally • Last 24h: 19,043 Logs

FEED

Top Threat Sources

01

United States US

38,446 20.5%
02

India IN

29,023 15.5%
03

China CN

26,021 13.9%
04

Brazil BR

10,256 5.5%
05

Germany DE

7,142 3.8%
06

Singapore SG

6,476 3.5%
07

Indonesia ID

5,539 3%
08

Russia RU

4,703 2.5%
09

Pakistan PK

4,654 2.5%
10

Netherlands NL

4,356 2.3%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

8.9/10 Avg Threat

93% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Elevated Risk

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

Analyzed high-risk IP addresses

reportedIP

Parkstraße 19, 80339 München

Consultation

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