Is IP address 5.139.233.251 dangerous?

Yes, 5.139.233.251 is considered dangerous with a threat level of 8/10. It has been reported 1 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 5.139.233.251?

IP address 5.139.233.251 is operated by Rostelecom (ASN 12389) and is geolocated to RU. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 5.139.233.251?

Yes, blocking 5.139.233.251 is strongly recommended. With a threat level of 8/10 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 5.139.233.251?

Our threat assessment for 5.139.233.251 has a confidence score of 30%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

5.139.233.251

IPv4 Public

AS12389

Rostelecom

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

Russia Location

Rostelecom ASN 12389

1 Reports

Honeypot Data Source

High Risk

IP 5.139.233.251 rated at threat level 8/10 based on 1 security reports.

Pattern analysis reveals concerning activity. Confidence: 30%.

More threatening than 88% of monitored IPs

Threat Categories

SQL Injection 1

Web App Attack 1

Technical Details

SQL injection attempts aim to manipulate database queries through unsanitized user input to extract or modify data.

Recommended Mitigations

Use parameterized queries, input validation, prepared statements, and database access controls.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over less than a day indicates persistent threat actor operations.

First Observed 10. October 2026

Last Activity 10. October 2026

Recent (7 days) 1 incidents

Moderate Network Risk

The network hosting this IP (ASN 12389, operated by Rostelecom) shows moderate threat indicators. Some concerning activity has been detected from neighboring addresses.

Consider the network context when assessing this individual IP.

Security Recommendations

Monitor closely and consider blocking. Escalation potential detected.

Long-term blocking recommended.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 2/10 Very Low

Confidence Score 30% Medium Confidence

Date	Categories	Source	Confidence
10. Oct 2026 New	SQL Injection Web App Attack	Honeypot	75%

Basic Information

IP Address: 5.139.233.251
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: RU
ASN: AS12389
ISP: Rostelecom

DNS Information

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

Statistics

Total Reports: 1
First Reported: 10 Oct 2026
Last Reported: 10 Oct 2026, 14:29

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: AS12389

Organization: Rostelecom

Country:

Network Threat Assessment

4/10

This network has low threat indicators with minimal suspicious activity.

Network Statistics

931

Total IPs Monitored

6,305

Total Reports

6.8

Reports per IP

Network Context

This IP address belongs to Rostelecom (AS12389), which manages 931 IP addresses in our monitoring system. Out of these, 6,305 have been reported for suspicious activities, resulting in a network-wide threat level of 4/10.

Network notice: This network shows some suspicious activity patterns. Monitor interactions with IPs from this ASN.

Comparative Analysis

How this IP compares to others in our threat intelligence database

88 %

Global Threat Ranking

This IP is more threatening than 88% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 846,541 reported IPs worldwide

Threat Level 8/10 avg: 6.3 +

Total Reports 1 avg: 9 --

Network Comparison

Compared against 3,174 IPs in ASN 12389

Threat Level 8/10 network avg: 6.3 +

Total Reports 1 network avg: 3 --

Network Rostelecom has overall threat level 4/10

Geographic Comparison

Compared against 14,035 IPs in RU

Threat Level 8/10 country avg: 6.5 +

Total Reports 1 country avg: 9 --

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

Peak Day 10 Oct 2026 1 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 7/10

Current Threat 7/10

Distribution of threat categories reported over time.

Top Threat Categories

SQL Injection 1

Web App Attack 1

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

Hourly Activity

Peak activity at 14:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

769,451 threat incidents tracked globally • Last 24h: 28,103 Logs

FEED

Top Threat Sources

01

United States US

150,275 19.5%
02

Brazil BR

112,654 14.6%
03

India IN

89,601 11.6%
04

China CN

46,490 6%
05

SC SC

29,264 3.8%
06

Germany DE

18,769 2.4%
07

Pakistan PK

18,305 2.4%
08

Netherlands NL

18,207 2.4%
09

Argentina AR

16,599 2.2%
10

Colombia CO

15,303 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

9.9/10 Avg Threat

76% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

High Risk

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

Moderate Network Risk

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