Is IP address 140.249.21.1 dangerous?

Yes, 140.249.21.1 is considered dangerous with a threat level of 7/10. It has been reported 1 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 140.249.21.1?

IP address 140.249.21.1 is operated by Qingdao,266000 (ASN 58541) and is geolocated to CN. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 140.249.21.1?

Yes, blocking 140.249.21.1 is strongly recommended. With a threat level of 7/10 and 1 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 140.249.21.1?

Our threat assessment for 140.249.21.1 has a confidence score of 0%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

140.249.21.1

IPv4 Public

AS58541

Qingdao,266000

1 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

CN Location

Qingdao,266000 ASN 58541

1 Reports

Honeypot Data Source

Substantial Risk

Threat level 7/10 for 140.249.21.1 based on 1 documented incidents.

Consistent suspicious behavior patterns. 0% confidence rating.

More threatening than 59% of monitored IPs

Threat Categories

Hacking 1

Technical Details

General hacking activity includes various intrusion attempts, exploitation of vulnerabilities, and unauthorized access attempts.

Recommended Mitigations

Keep systems patched, implement intrusion detection, and follow security best practices.

Reputable Network

This IP is hosted on a network (ASN 58541) with generally good reputation. The ISP Qingdao,266000 maintains standard security practices.

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

Security Recommendations

Configure firewall rules and intrusion detection alerts.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 7/10 High

High

Activity Frequency 0/10 Inactive

Confidence Score 0% Unverified

Date	Categories	Source	Confidence
14. Mar 2026	Hacking	Honeypot	75%

Basic Information

IP Address: 140.249.21.1
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: CN
ASN: AS58541
ISP: Qingdao,266000

DNS Information

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

Statistics

Total Reports: 1
First Reported: 14 Mar 2026
Last Reported: 14 Mar 2026, 10:04

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: AS58541

Organization: Qingdao,266000

Country:

Network Threat Assessment

2/10

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

Network Statistics

Total IPs Monitored

393

Total Reports

15.7

Reports per IP

Network Context

This IP address belongs to Qingdao,266000 (AS58541), which manages 25 IP addresses in our monitoring system. Out of these, 393 have been reported for suspicious activities, resulting in a network-wide threat level of 2/10.

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

59 %

Global Threat Ranking

This IP is more threatening than 59% of all IPs in our database.

Above Average Threat

Global Comparison

Compared against 833,163 reported IPs worldwide

Threat Level 7/10 avg: 6.3 =

Total Reports 1 avg: 9 --

Network Comparison

Compared against 28 IPs in ASN 58541

Threat Level 7/10 network avg: 8.2 =

Total Reports 1 network avg: 17 --

Network Qingdao,266000 has overall threat level 2/10

Geographic Comparison

Compared against 46,083 IPs in CN

Threat Level 7/10 country avg: 7.4 =

Total Reports 1 country avg: 5 --

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Saturday 1 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

Hacking 1

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

Hourly Activity

Peak activity at 10:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

757,427 threat incidents tracked globally • Last 24h: 30,605 Logs

FEED

Top Threat Sources

01

United States US

148,250 19.6%
02

Brazil BR

111,874 14.8%
03

India IN

87,197 11.5%
04

China CN THIS IP

46,083 6.1%
05

SC SC

29,253 3.9%
06

Germany DE

18,439 2.4%
07

Netherlands NL

17,997 2.4%
08

Pakistan PK

17,824 2.4%
09

Argentina AR

16,271 2.1%
10

Colombia CO

15,171 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

8.7/10 Avg Threat

15% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Substantial Risk

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