Is IP address 213.139.212.31 dangerous?

Yes, 213.139.212.31 is considered dangerous with a threat level of 8/10. It has been reported 6 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 213.139.212.31?

IP address 213.139.212.31 is operated by Sinet Isp. LLC (ASN 208405) and is geolocated to UA. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 213.139.212.31?

Yes, blocking 213.139.212.31 is strongly recommended. With a threat level of 8/10 and 6 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 213.139.212.31?

Our threat assessment for 213.139.212.31 has a confidence score of 24%, based on 6 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

213.139.212.31

IPv4 Public

AS208405

Sinet Isp. LLC

6 Reports

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Ukraine Location

Sinet Isp. LLC ASN 208405

6 Reports

Mixed Data Source

Substantial Risk

Threat level 8/10 for 213.139.212.31 based on 6 documented incidents.

Consistent suspicious behavior patterns. 24% confidence rating.

More threatening than 90% of monitored IPs

Threat Categories

Brute-Force 5

Web App Attack 2

WP User Enumeration 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 2 days indicates persistent threat actor operations.

First Observed 28. September 2026

Last Activity 30. September 2026

Recent (7 days) 0 incidents

Reputable Network

This IP is hosted on a network (ASN 208405) with generally good reputation. The ISP Sinet Isp. LLC 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.

Long-term blocking recommended.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 0/10 Inactive

Confidence Score 21% Low Confidence

Confidence History

2. Jul 2026 - 30. Sep 2026

24% Current

Stable Trend

Date	Categories	Source	Confidence
30. Sep 2026	Brute-Force	Community	75%
28. Sep 2026	Brute-Force	Community	75%
27. Sep 2026	Brute-Force Web App Attack	Community	75%
22. Sep 2026	WP User Enumeration	Community	75%
26. Aug 2026	Brute-Force Web App Attack	Honeypot	75%
2. Jul 2026	Brute-Force	Community	75%

Basic Information

IP Address: 213.139.212.31
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class C

Geolocation

Country: UA
ASN: AS208405
ISP: Sinet Isp. LLC

DNS Information

Reverse DNS: 213.139.212-31.sinet.ua
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 6
First Reported: 2 Jul 2026
Last Reported: 30 Sep 2026, 16:12

Comparative Analysis

How this IP compares to others in our threat intelligence database

90 %

Global Threat Ranking

This IP is more threatening than 90% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 1,284,496 reported IPs worldwide

Threat Level 8/10 avg: 6.0 +

Total Reports 6 avg: 7 =

Network Comparison

Compared against 2 IPs in ASN 208405

Threat Level 8/10 network avg: 7.5 =

Total Reports 6 network avg: 9 -

Geographic Comparison

Compared against 16,745 IPs in UA

Threat Level 8/10 country avg: 5.5 +

Total Reports 6 country avg: 9 -

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

Peak Day 28 Sep 2026 1 reports

Daily Average 0.1 reports/day

Most Active Wednesday 2 reports

Evolution of threat level over time based on reported categories and frequency.

Initial Threat 6/10

Current Threat 5/10

Distribution of threat categories reported over time.

Top Threat Categories

Brute-Force 5

Web App Attack 2

WP User Enumeration 1

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

Hourly Activity

Peak activity at 04:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

1,170,932 threat incidents tracked globally • Last 24h: 30,722 Logs

FEED

Top Threat Sources

01

Brazil BR

258,282 22.1%
02

United States US

198,284 16.9%
03

India IN

102,238 8.7%
04

China CN

49,394 4.2%
05

Argentina AR

41,842 3.6%
06

SC SC

29,404 2.5%
07

Mexico MX

27,333 2.3%
08

Russia RU

26,357 2.3%
09

Colombia CO

23,986 2%
10

Germany DE

22,556 1.9%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

1 Related IPs

7/10 Avg Threat

42% Avg Confidence

1 High Threat

High-risk network: Majority of related IPs are flagged

Substantial Risk

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

Reputable Network

Security Recommendations

Basic Information

Geolocation

DNS Information

Statistics

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