Is IP address 140.249.21.157 dangerous?

Yes, 140.249.21.157 is considered dangerous with a threat level of 7/10. It has been reported 2 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 140.249.21.157?

IP address 140.249.21.157 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 140.249.21.157?

Yes, blocking 140.249.21.157 is strongly recommended. With a threat level of 7/10 and 2 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 140.249.21.157?

Our threat assessment for 140.249.21.157 has a confidence score of 0%, based on 2 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

140.249.21.157

IPv4 Public

AS58541

Qingdao,266000

2 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

2 Reports

Honeypot Data Source

Significant Threat

IP 140.249.21.157 identified as significant threat (7/10) from 2 events.

Multiple malicious indicators detected. Confidence level: 0%.

More threatening than 59% of monitored IPs

Threat Categories

SSH 1

Hacking 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.

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

Implement rate limiting or temporary blocking measures.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 7/10 High

High

Activity Frequency 0/10 Inactive

Confidence Score 0% Unverified

Confidence History

8. Mar 2026 - 10. Mar 2026

0% Current

Stable Trend

Date	Categories	Source	Confidence
10. Mar 2026	SSH	Honeypot	75%
8. Mar 2026	Hacking	Honeypot	75%

Basic Information

IP Address: 140.249.21.157
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: 2
First Reported: 8 Mar 2026
Last Reported: 10 Mar 2026, 06:15

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 833,021 reported IPs worldwide

Threat Level 7/10 avg: 6.3 =

Total Reports 2 avg: 9 --

Network Comparison

Compared against 28 IPs in ASN 58541

Threat Level 7/10 network avg: 8.2 =

Total Reports 2 network avg: 17 --

Network Qingdao,266000 has overall threat level 2/10

Geographic Comparison

Compared against 46,081 IPs in CN

Threat Level 7/10 country avg: 7.4 =

Total Reports 2 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 Sunday 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

SSH 1

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

Hourly Activity

Peak activity at 06:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

757,297 threat incidents tracked globally • Last 24h: 30,386 Logs

FEED

Top Threat Sources

01

United States US

148,224 19.6%
02

Brazil BR

111,866 14.8%
03

India IN

87,192 11.5%
04

China CN THIS IP

46,081 6.1%
05

SC SC

29,252 3.9%
06

Germany DE

18,403 2.4%
07

Netherlands NL

17,994 2.4%
08

Pakistan PK

17,821 2.4%
09

Argentina AR

16,268 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

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

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