Is IP address 51.81.101.212 dangerous?

Yes, 51.81.101.212 is considered dangerous with a threat level of 8/10. It has been reported 5 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 51.81.101.212?

IP address 51.81.101.212 is operated by OVH SAS (ASN 16276) and is geolocated to US. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 51.81.101.212?

Yes, blocking 51.81.101.212 is strongly recommended. With a threat level of 8/10 and 5 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 51.81.101.212?

Our threat assessment for 51.81.101.212 has a confidence score of 43%, based on 5 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

51.81.101.212

IPv4 Public

AS16276

OVH SAS

5 Reports

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United States Location

OVH SAS ASN 16276

5 Reports

Honeypot Data Source

Significant Threat

IP 51.81.101.212 identified as significant threat (8/10) from 5 events.

Multiple malicious indicators detected. Confidence level: 43%.

More threatening than 92% of monitored IPs

Threat Categories

IoT Targeted 3

Fraud VoIP 1

Hacking 1

Technical Details

IoT-targeted attacks exploit weak security in smart devices, cameras, routers, and other connected devices.

Recommended Mitigations

Segment IoT networks, update device firmware, change default credentials, and disable UPnP.

Behavioral Analysis

Activity Pattern: Consistent Activity

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

First Observed 22. October 2026

Last Activity 22. October 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 rate limiting or temporary blocking measures.

Long-term blocking recommended.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 0/10 Inactive

Confidence Score 43% Medium Confidence

Confidence History

17. Jun 2026 - 22. Oct 2026

43% Current

Stable Trend

Date	Categories	Source	Confidence
22. Oct 2026	Fraud VoIP	Honeypot	75%
22. Aug 2026	IoT Targeted	Honeypot	75%
20. Aug 2026	IoT Targeted	Honeypot	75%
20. Aug 2026	IoT Targeted	Honeypot	75%
17. Jun 2026	Hacking	Honeypot	75%

Basic Information

IP Address: 51.81.101.212
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: US
ASN: AS16276
ISP: OVH SAS

DNS Information

Reverse DNS: luciferc2.net
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 5
First Reported: 17 Jun 2026
Last Reported: 22 Oct 2026, 08:09

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

92 %

Global Threat Ranking

This IP is more threatening than 92% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 1,292,777 reported IPs worldwide

Threat Level 8/10 avg: 6.0 +

Total Reports 5 avg: 7 -

Network Comparison

Compared against 4,622 IPs in ASN 16276

Threat Level 8/10 network avg: 6.6 +

Total Reports 5 network avg: 21 --

Network OVH SAS has overall threat level 2/10

Geographic Comparison

Compared against 199,906 IPs in US

Threat Level 8/10 country avg: 6.6 +

Total Reports 5 country avg: 16 --

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

Peak Day 22 Oct 2026 1 reports

Daily Average 0 reports/day

Most Active Thursday 3 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

IoT Targeted 3

Hacking 1

Fraud VoIP 1

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

Hourly Activity

Peak activity at 00:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

1,178,470 threat incidents tracked globally • Last 24h: 28,080 Logs

FEED

Top Threat Sources

01

Brazil BR

258,644 21.9%
02

United States US THIS IP

199,907 17%
03

India IN

102,556 8.7%
04

China CN

49,680 4.2%
05

Argentina AR

41,952 3.6%
06

SC SC

29,413 2.5%
07

Mexico MX

27,451 2.3%
08

Russia RU

26,513 2.2%
09

Colombia CO

24,033 2%
10

Germany DE

22,891 1.9%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

9.8/10 Avg Threat

95% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Significant 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