Is IP address 5.39.57.91 dangerous?

Yes, 5.39.57.91 is considered dangerous with a threat level of 8/10. It has been reported 387 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 5.39.57.91?

IP address 5.39.57.91 is operated by OVH SAS (ASN 16276) and is geolocated to FR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 5.39.57.91?

Yes, blocking 5.39.57.91 is strongly recommended. With a threat level of 8/10 and 387 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 5.39.57.91?

Our threat assessment for 5.39.57.91 has a confidence score of 67%, based on 387 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

5.39.57.91

IPv4 Public

AS16276

OVH SAS

387 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

France Location

OVH SAS ASN 16276

387 Reports

Honeypot Data Source

Notable Threat

IP 5.39.57.91 rated 8/10 from 387 verified reports.

Multiple security incidents attributed to this IP. Confidence: 67%.

More threatening than 89% of monitored IPs

Threat Categories

Hacking 28

Fraud VoIP 2

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.

Behavioral Analysis

Activity Pattern: Recent Spike

Significant activity increase over past 7 days indicates renewed threat actor interest or system compromise.

First Observed 3. September 2026

Last Activity 7. September 2026

Recent (7 days) 0 incidents

Datacenter Infrastructure

This IP is allocated from datacenter space operated by OVH SAS. Datacenter IPs used for attacks often indicate intentional malicious infrastructure.

Purpose-provisioned attack infrastructure may represent more sophisticated threat actors.

Security Recommendations

Implement appropriate security controls.

Immediate monitoring recommended.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 3/10 Low

Confidence Score 67% High Confidence

Confidence History

6. Sep 2026 - 7. Sep 2026

67% Current

Stable Trend

Date	Categories	Source	Confidence
7. Sep 2026	Hacking	Honeypot	75%
7. Sep 2026	Hacking	Honeypot	75%
7. Sep 2026	Hacking	Honeypot	75%
7. Sep 2026	Hacking	Honeypot	75%
7. Sep 2026	Hacking	Honeypot	75%
7. Sep 2026	Hacking	Honeypot	75%
7. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Fraud VoIP	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%
6. Sep 2026	Fraud VoIP	Honeypot	75%
6. Sep 2026	Hacking	Honeypot	75%

Basic Information

IP Address: 5.39.57.91
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: FR
ASN: AS16276
ISP: OVH SAS

DNS Information

Reverse DNS: ip91.ip-5-39-57.eu
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 387
First Reported: 22 Jul 2026
Last Reported: 7 Sep 2026, 04:50

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: AS16276

Organization: OVH SAS

Country:

Network Threat Assessment

2/10

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

Network Statistics

1,385

Total IPs Monitored

33,679

Total Reports

24.3

Reports per IP

Network Context

This IP address belongs to OVH SAS (AS16276), which manages 1,385 IP addresses in our monitoring system. Out of these, 33,679 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

89 %

Global Threat Ranking

This IP is more threatening than 89% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 806,733 reported IPs worldwide

Threat Level 8/10 avg: 6.3 +

Total Reports 387 avg: 9 ++

Network Comparison

Compared against 4,377 IPs in ASN 16276

Threat Level 8/10 network avg: 6.8 +

Total Reports 387 network avg: 18 ++

Network OVH SAS has overall threat level 2/10

Geographic Comparison

Compared against 11,792 IPs in FR

Threat Level 8/10 country avg: 6.8 +

Total Reports 387 country avg: 22 ++

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

Peak Day 6 Sep 2026 23 reports

Daily Average 1.2 reports/day

Most Active Sunday 134 reports

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

Initial Threat 5/10

Current Threat 5/10

Distribution of threat categories reported over time.

Top Threat Categories

Hacking 252

Fraud VoIP 142

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

Hourly Activity

Peak activity at 14:00 with 26 reports

Weekly Activity

Geographic Threat Distribution

733,618 threat incidents tracked globally • Last 24h: 28,553 Logs

FEED

Top Threat Sources

01

United States US

143,307 19.5%
02

Brazil BR

110,760 15.1%
03

India IN

82,124 11.2%
04

China CN

44,769 6.1%
05

SC SC

29,233 4%
06

Germany DE

17,493 2.4%
07

Netherlands NL

17,477 2.4%
08

Pakistan PK

16,646 2.3%
09

Argentina AR

16,189 2.2%
10

Colombia CO

15,134 2.1%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

9.5/10 Avg Threat

98% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Notable Threat

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

Datacenter Infrastructure

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