Is IP address 51.161.57.3 dangerous?

Yes, 51.161.57.3 is considered dangerous with a threat level of 8/10. It has been reported 4 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 51.161.57.3?

IP address 51.161.57.3 is operated by OVH SAS (ASN 16276) and is geolocated to CA. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 51.161.57.3?

Yes, blocking 51.161.57.3 is strongly recommended. With a threat level of 8/10 and 4 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 51.161.57.3?

Our threat assessment for 51.161.57.3 has a confidence score of 45%, based on 4 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

51.161.57.3

IPv4 Public

AS16276

OVH SAS

4 Reports

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Canada Location

OVH SAS ASN 16276

4 Reports

Honeypot Data Source

Substantial Risk

Threat level 8/10 for 51.161.57.3 based on 4 documented incidents.

Consistent suspicious behavior patterns. 45% confidence rating.

More threatening than 89% of monitored IPs

Threat Categories

Fraud VoIP 4

Hacking 2

Technical Details

VoIP fraud exploits phone systems to make unauthorized calls, often to premium rate numbers for financial gain.

Recommended Mitigations

Implement call authentication, monitor call patterns, and restrict international/premium rate dialing.

Behavioral Analysis

Activity Pattern: Recent Spike

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

First Observed 14. September 2026

Last Activity 5. October 2026

Recent (7 days) 1 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

Configure firewall rules and intrusion detection alerts.

Immediate monitoring recommended.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 1/10 Very Low

Confidence Score 45% Medium Confidence

Confidence History

14. Sep 2026 - 5. Oct 2026

45% Current

Stable Trend

Date	Categories	Source	Confidence
5. Oct 2026	Hacking Fraud VoIP	Honeypot x2	75%
17. Sep 2026	Fraud VoIP	Honeypot	75%
17. Sep 2026	Fraud VoIP	Honeypot	75%
14. Sep 2026	Fraud VoIP Hacking	Honeypot x2	75%

Basic Information

IP Address: 51.161.57.3
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: CA
ASN: AS16276
ISP: OVH SAS

DNS Information

Reverse DNS: ip3.ip-51-161-57.net
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 4
First Reported: 14 Sep 2026
Last Reported: 5 Oct 2026, 15:11

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 846,291 reported IPs worldwide

Threat Level 8/10 avg: 6.3 +

Total Reports 4 avg: 9 --

Network Comparison

Compared against 4,635 IPs in ASN 16276

Threat Level 8/10 network avg: 6.7 +

Total Reports 4 network avg: 18 --

Network OVH SAS has overall threat level 2/10

Geographic Comparison

Compared against 6,816 IPs in CA

Threat Level 8/10 country avg: 6.9 +

Total Reports 4 country avg: 11 --

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

Peak Day 17 Sep 2026 2 reports

Daily Average 0.1 reports/day

Most Active Monday 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

Fraud VoIP 4

Hacking 2

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

Hourly Activity

Peak activity at 02:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

769,057 threat incidents tracked globally • Last 24h: 28,075 Logs

FEED

Top Threat Sources

01

United States US

150,231 19.5%
02

Brazil BR

112,613 14.6%
03

India IN

89,508 11.6%
04

China CN

46,477 6%
05

SC SC

29,264 3.8%
06

Germany DE

18,761 2.4%
07

Pakistan PK

18,284 2.4%
08

Netherlands NL

18,206 2.4%
09

Argentina AR

16,583 2.2%
10

Colombia CO

15,300 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

9.7/10 Avg Threat

98% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Substantial Risk

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

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