Is IP address 51.75.21.168 dangerous?

Yes, 51.75.21.168 is considered dangerous with a threat level of 10/10. It has been reported 47 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 51.75.21.168?

IP address 51.75.21.168 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 51.75.21.168?

Yes, blocking 51.75.21.168 is strongly recommended. With a threat level of 10/10 and 47 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 51.75.21.168?

Our threat assessment for 51.75.21.168 has a confidence score of 100%, based on 47 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

51.75.21.168

IPv4 Public

AS16276

OVH SAS

47 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

47 Reports

Mixed Data Source

Extreme Threat

IP 51.75.21.168 classified at threat level 10/10 with 47 documented attacks.

Advanced threat indicators confirmed with 100% certainty.

More threatening than 100% of monitored IPs

Threat Categories

SSH 27

Hacking 26

Exploited Host 3

Brute-Force 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.

Behavioral Analysis

Activity Pattern: Sporadic

Irregular burst activity pattern indicates intermittent use of a compromised system.

First Observed 7. September 2026

Last Activity 1. October 2026

Recent (7 days) 9 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

Proactive blocking essential. Significant operational risk detected.

Implement adaptive blocking rules.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 8/10 High

Confidence Score 100% Verified

Confidence History

9. Sep 2026 - 1. Oct 2026

100% Current

Stable Trend

Date	Categories	Source	Confidence
1. Oct 2026 New	SSH Hacking	Honeypot x2	75%
1. Oct 2026 New	Hacking SSH	Honeypot x2	75%
1. Oct 2026 New	Hacking SSH	Honeypot x2	75%
1. Oct 2026 New	SSH	Honeypot	75%
1. Oct 2026 New	SSH Hacking	Honeypot x2	75%
1. Oct 2026 New	SSH Hacking	Honeypot x2	75%
1. Oct 2026 New	Hacking SSH	Honeypot x2	75%
1. Oct 2026 New	SSH Hacking Exploited Host	Honeypot x3	75%
26. Sep 2026	SSH Brute-Force	Community	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	SSH Hacking	Honeypot x2	75%
11. Sep 2026	SSH Hacking	Honeypot x2	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	SSH Hacking	Honeypot x2	75%
10. Sep 2026	Exploited Host	Honeypot	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
9. Sep 2026	Hacking SSH	Honeypot x2	75%
9. Sep 2026	Hacking SSH	Honeypot x2	75%
9. Sep 2026	Exploited Host Hacking	Honeypot x2	75%
9. Sep 2026	SSH Hacking	Honeypot x2	75%
9. Sep 2026	Hacking	Honeypot	75%
9. Sep 2026	SSH	Honeypot	75%
9. Sep 2026	Hacking SSH	Honeypot x2	75%
9. Sep 2026	Hacking SSH	Honeypot x2	75%

Basic Information

IP Address: 51.75.21.168
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: 168.ip-51-75-21.eu
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 47
First Reported: 15 Aug 2026
Last Reported: 1 Oct 2026, 15:52

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

100 %

Global Threat Ranking

This IP is more threatening than 100% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 809,622 reported IPs worldwide

Threat Level 10/10 avg: 6.3 ++

Total Reports 47 avg: 9 ++

Network Comparison

Compared against 4,395 IPs in ASN 16276

Threat Level 10/10 network avg: 6.8 +

Total Reports 47 network avg: 18 ++

Network OVH SAS has overall threat level 2/10

Geographic Comparison

Compared against 11,840 IPs in FR

Threat Level 10/10 country avg: 6.8 +

Total Reports 47 country avg: 22 ++

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

Peak Day 9 Sep 2026 13 reports

Daily Average 1.4 reports/day

Most Active Thursday 15 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 42

SSH 41

Exploited Host 6

Brute-Force 2

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

Hourly Activity

Peak activity at 11:00 with 7 reports

Weekly Activity

Geographic Threat Distribution

736,243 threat incidents tracked globally • Last 24h: 29,941 Logs

FEED

Top Threat Sources

01

United States US

143,895 19.5%
02

Brazil BR

110,844 15.1%
03

India IN

82,742 11.2%
04

China CN

44,909 6.1%
05

SC SC

29,241 4%
06

Germany DE

17,606 2.4%
07

Netherlands NL

17,539 2.4%
08

Pakistan PK

16,768 2.3%
09

Argentina AR

16,197 2.2%
10

Colombia CO

15,140 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

Extreme 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