Is IP address 51.161.136.177 dangerous?

Yes, 51.161.136.177 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 51.161.136.177?

IP address 51.161.136.177 is operated by OVH SAS (ASN 16276) and is geolocated to AU. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 51.161.136.177?

Yes, blocking 51.161.136.177 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 51.161.136.177?

Our threat assessment for 51.161.136.177 has a confidence score of 55%, based on 6 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

51.161.136.177

IPv4 Public

AS16276

OVH SAS

6 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

Australia Location

OVH SAS ASN 16276

6 Reports

Honeypot Data Source

Elevated Risk

Elevated threat level 8/10 for IP 51.161.136.177 from 6 reported incidents.

Behavioral profile indicates cyber threat activity with 55% confidence.

More threatening than 89% of monitored IPs

Threat Categories

Fraud VoIP 6

Hacking 1

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: Consistent Activity

Steady malicious activity over 6 days indicates persistent threat actor operations.

First Observed 1. October 2026

Last Activity 7. October 2026

Recent (7 days) 6 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

Enhanced monitoring recommended. Review logs for interactions with this IP.

Long-term blocking recommended.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 4/10 Low

Confidence Score 55% High Confidence

Confidence History

1. Oct 2026 - 7. Oct 2026

55% Current

Stable Trend

Date	Categories	Source	Confidence
7. Oct 2026 New	Fraud VoIP	Honeypot	75%
6. Oct 2026	Fraud VoIP	Honeypot	75%
5. Oct 2026	Fraud VoIP	Honeypot	75%
4. Oct 2026	Fraud VoIP	Honeypot	75%
4. Oct 2026	Fraud VoIP	Honeypot	75%
1. Oct 2026	Fraud VoIP Hacking	Honeypot x2	75%

Basic Information

IP Address: 51.161.136.177
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: AU
ASN: AS16276
ISP: OVH SAS

DNS Information

Reverse DNS: ip177.ip-51-161-136.net
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 6
First Reported: 1 Oct 2026
Last Reported: 7 Oct 2026, 08:06

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 832,880 reported IPs worldwide

Threat Level 8/10 avg: 6.3 +

Total Reports 6 avg: 9 -

Network Comparison

Compared against 4,573 IPs in ASN 16276

Threat Level 8/10 network avg: 6.8 +

Total Reports 6 network avg: 18 --

Network OVH SAS has overall threat level 2/10

Geographic Comparison

Compared against 2,773 IPs in AU

Threat Level 8/10 country avg: 7.3 =

Total Reports 6 country avg: 5 =

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

Peak Day 4 Oct 2026 2 reports

Daily Average 0.2 reports/day

Most Active Sunday 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 6

Hacking 1

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

Hourly Activity

Peak activity at 03:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

757,167 threat incidents tracked globally • Last 24h: 30,056 Logs

FEED

Top Threat Sources

01

United States US

148,193 19.6%
02

Brazil BR

111,856 14.8%
03

India IN

87,184 11.5%
04

China CN

46,075 6.1%
05

SC SC

29,252 3.9%
06

Germany DE

18,398 2.4%
07

Netherlands NL

17,986 2.4%
08

Pakistan PK

17,818 2.4%
09

Argentina AR

16,267 2.1%
10

Colombia CO

15,169 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

Elevated 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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