Is IP address 123.31.20.81 dangerous?

Yes, 123.31.20.81 is considered dangerous with a threat level of 8/10. It has been reported 4 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 123.31.20.81?

IP address 123.31.20.81 is operated by VNPT Corp (ASN 45899) and is geolocated to VN. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 123.31.20.81?

Yes, blocking 123.31.20.81 is strongly recommended. With a threat level of 8/10 and 4 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 123.31.20.81?

Our threat assessment for 123.31.20.81 has a confidence score of 48%, based on 4 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

123.31.20.81

IPv4 Public

AS45899

VNPT Corp

4 Reports

VN Location

VNPT Corp ASN 45899

4 Reports

Honeypot Data Source

Significant Threat

IP 123.31.20.81 identified as significant threat (8/10) from 4 events.

Multiple malicious indicators detected. Confidence level: 48%.

More threatening than 79% of monitored IPs

Threat Categories

SSH 4

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.

Reputable Network

This IP is hosted on a network (ASN 45899) with generally good reputation. The ISP VNPT Corp 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 8/10 High

Critical

Activity Frequency 0/10 Inactive

Confidence Score 44% Medium Confidence

Confidence History

20. Feb 2026 - 22. Feb 2026

48% Current

Stable Trend

Date	Categories	Source	Confidence
22. Feb 2026	SSH	Honeypot	75%
22. Feb 2026	SSH	Honeypot	75%
22. Feb 2026	SSH	Honeypot	75%
20. Feb 2026	SSH	Honeypot	75%

Basic Information

IP Address: 123.31.20.81
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: VN
ASN: AS45899
ISP: VNPT Corp

DNS Information

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

Statistics

Total Reports: 4
First Reported: 20 Feb 2026
Last Reported: 22 Feb 2026, 19:32

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: AS45899

Organization: VNPT Corp

Country:

Network Threat Assessment

1/10

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

Network Statistics

239

Total IPs Monitored

6,479

Total Reports

27.1

Reports per IP

Network Context

This IP address belongs to VNPT Corp (AS45899), which manages 239 IP addresses in our monitoring system. Out of these, 6,479 have been reported for suspicious activities, resulting in a network-wide threat level of 1/10.

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

79 %

Global Threat Ranking

This IP is more threatening than 79% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 291,755 reported IPs worldwide

Threat Level 8/10 avg: 5.9 +

Total Reports 4 avg: 18 --

Network Comparison

Compared against 743 IPs in ASN 45899

Threat Level 8/10 network avg: 5.3 ++

Total Reports 4 network avg: 11 --

Network VNPT Corp has overall threat level 1/10

Geographic Comparison

Compared against 3,562 IPs in VN

Threat Level 8/10 country avg: 5.9 +

Total Reports 4 country avg: 17 --

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Sunday 3 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 4

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

Hourly Activity

Peak activity at 03:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

273,750 threat incidents tracked globally • Last 24h: 16,818 Logs

FEED

Top Threat Sources

01

United States US

61,579 22.5%
02

India IN

45,313 16.6%
03

China CN

34,061 12.4%
04

Brazil BR

14,656 5.4%
05

Germany DE

9,822 3.6%
06

Singapore SG

7,937 2.9%
07

Indonesia ID

7,839 2.9%
08

Pakistan PK

7,771 2.8%
09

Russia RU

6,150 2.2%
10

Netherlands NL

5,895 2.2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

9.4/10 Avg Threat

97% Avg Confidence

20 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

UFW (Ubuntu)

Windows Firewall

Cloudflare

nginx

Apache .htaccess

PDF Report

Analyzed high-risk IP addresses