IP Address

103.28.37.12

IPv4 Public
VN VN
AS131353
NhanHoa Software company
43 Reports
This IP is on the Blacklist High confidence threat - blocking recommended
10/10 Threat
100% Confidence
43 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

Threat Intelligence Analysis

Automated assessment based on aggregated, anonymized threat data

Top 5% Most Dangerous
VN
Vietnam Location
NhanHoa Software company ASN 131353
43 Reports
Honeypot Data Source

Severe Risk

Threat level 10/10 for IP 103.28.37.12. Analysis of 43 reports confirms persistent malicious behavior.

High-confidence (100%) threat assessment indicates advanced persistent threat characteristics.

More threatening than 100% of monitored IPs

Threat Categories

SSH 27
Hacking 23
Brute-Force 7
Exploited Host 3

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: Sporadic

Irregular burst activity pattern indicates intermittent use of a compromised system.

First Observed 7. September 2026
Last Activity 17. September 2026
Recent (7 days) 0 incidents

Reputable Network

This IP is hosted on a network (ASN 131353) with generally good reputation. The ISP NhanHoa Software company maintains standard security practices.

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

Security Recommendations

Block immediately. This IP demonstrates capability for significant infrastructure damage.

Implement adaptive blocking rules.

This analysis is automatically generated from aggregated, anonymized threat intelligence data. No personal information is displayed or stored. Assessment accuracy depends on available data volume and diversity.

Reputation Summary

Threat Level 10/10 Critical
Critical
Activity Frequency 4/10 Low
Confidence Score 100% Verified

Confidence History

9. Sep 2026 - 17. Sep 2026
100% Current
Stable Trend

The confidence score shows the reliability of the threat assessment based on the number and quality of reports.

Security Reports (30)

Date Categories Source Confidence
Brute-Force SSH Honeypot 75%
Brute-Force SSH Honeypot 75%
Brute-Force SSH Honeypot x2 75%
Brute-Force SSH Honeypot 75%
Brute-Force SSH Honeypot x2 75%
Brute-Force SSH Honeypot x2 75%
Brute-Force SSH Honeypot x2 75%
Hacking SSH Honeypot x2 75%
SSH Hacking Honeypot x2 75%
Hacking SSH Honeypot x2 75%
Hacking Exploited Host Honeypot x2 75%
SSH Hacking Honeypot x2 75%
Hacking SSH Honeypot x2 75%
Hacking SSH Honeypot x2 75%
Hacking SSH Honeypot x2 75%
Hacking SSH Honeypot x2 75%
Hacking Exploited Host Honeypot x2 75%
Hacking SSH Honeypot x2 75%
Hacking SSH Honeypot x2 75%
Hacking SSH Honeypot x2 75%
SSH Hacking Honeypot x2 75%
Hacking SSH Honeypot x2 75%
Hacking SSH Honeypot x2 75%
Hacking Exploited Host Honeypot x2 75%
Hacking SSH Honeypot x2 75%
Hacking SSH Honeypot x2 75%
Hacking SSH Honeypot x2 75%
Hacking SSH Honeypot x2 75%
Hacking SSH Honeypot x2 75%
Hacking SSH Honeypot x2 75%

Technical Details

Basic Information

IP Address
103.28.37.12
IP Version
IPv4
Network Type
Public
Tor Network
No
Network Class
Class A

Geolocation

Country
VN VN
ASN
AS131353
ISP
NhanHoa Software company

DNS Information

Reverse DNS
mail.yentutunglam.com.vn
PTR Record
Yes
Connection Type
Static

Statistics

Total Reports
43
First Reported
7 Sep 2026
Last Reported
17 Sep 2026, 20:18

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

AS131353
NhanHoa Software company
VN VN

Network Threat Assessment

3/10
This network appears to be relatively clean with very low threat indicators.

Network Statistics

20
Total IPs Monitored
193
Total Reports
9.7
Reports per IP

Network Context

This IP address belongs to NhanHoa Software company (AS131353), which manages 20 IP addresses in our monitoring system. Out of these, 193 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

100 %

Global Threat Ranking

This IP is more threatening than 100% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 805,955 reported IPs worldwide

Threat Level 10/10 avg: 6.3 ++
Total Reports 43 avg: 9 ++

Network Comparison

Compared against 52 IPs in ASN 131353

Threat Level 10/10 network avg: 8.1 +
Total Reports 43 network avg: 17 ++
Network NhanHoa Software company has overall threat level 3/10

Geographic Comparison

Compared against 8,802 IPs in VN

Threat Level 10/10 country avg: 6.6 ++
Total Reports 43 country avg: 9 ++
Indicators:
++ Much Higher + Higher = Similar - Lower -- Much Lower

Geographic Threat Distribution

732,959 threat incidents tracked globally • Last 24h: 29,233 Logs

FEED

Top Threat Sources

  1. 01
    US
    United States US
    143,148 19.5%
  2. 02
    BR
    Brazil BR
    110,706 15.1%
  3. 03
    IN
    India IN
    82,092 11.2%
  4. 04
    CN
    China CN
    44,715 6.1%
  5. 05
    SC
    SC SC
    29,233 4%
  6. 06
    DE
    Germany DE
    17,451 2.4%
  7. 07
    NL
    Netherlands NL
    17,448 2.4%
  8. 08
    PK
    Pakistan PK
    16,608 2.3%
  9. 09
    AR
    Argentina AR
    16,188 2.2%
  10. 10
    CO
    Colombia CO
    15,132 2.1%

+40 more countries

THREAT LEVEL
LOW MED HIGH

Geographic data is aggregated and anonymized. No personal information displayed.

Map: simplemaps.com (MIT License)

Related IPs

Other IPs associated with this address through network or behavioral similarity

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

20 Related IPs
8.9/10 Avg Threat
43% Avg Confidence
20 High Threat
High-risk network: Majority of related IPs are flagged

IPs from the same subnet range, likely same network segment.

2 Related IPs
8/10 Avg Threat
11% Avg Confidence
1 High Threat
High-risk network: Majority of related IPs are flagged

Export & Firewall Rules

Download threat data or generate firewall rules to block this IP

JSON Report

Structured data format for integration with security tools and SIEM systems.

{
    "ip_address": "103.28.37.12",
    "threat_level": 10,
    "confidence_score": 100,
    "total_reports": 43,
    "country_code": "VN",
    "isp_name": "NhanHoa Software company",
    "asn": "131353",
    "first_reported": "2026-09-07 12:22:22",
    "last_reported": "2026-09-17 20:18:04",
    "exported_at": "2026-09-30T20:50:20+02:00",
    "source": "https://reportedip.com/ip/103.28.37.12/"
}

GDPR Compliant: Exports contain only IP-related threat data. No personal information or reporter details are included.