Is IP address 87.121.166.146 dangerous?

Yes, 87.121.166.146 is considered dangerous with a threat level of 10/10. It has been reported 3 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 87.121.166.146?

IP address 87.121.166.146 is operated by Host2 LTD (ASN 49815) and is geolocated to BG. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 87.121.166.146?

Yes, blocking 87.121.166.146 is strongly recommended. With a threat level of 10/10 and 3 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 87.121.166.146?

Our threat assessment for 87.121.166.146 has a confidence score of 26%, based on 3 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

87.121.166.146

IPv4 Public

AS49815

Host2 LTD

3 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

Bulgaria Location

Host2 LTD ASN 49815

3 Reports

Honeypot Data Source

Extreme Threat

IP 87.121.166.146 classified at threat level 10/10 with 3 documented attacks.

Advanced threat indicators confirmed with 26% certainty.

More threatening than 96% of monitored IPs

Threat Categories

Hacking 3

SSH 3

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: Consistent Activity

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

First Observed 12. September 2026

Last Activity 12. September 2026

Recent (7 days) 0 incidents

Reputable Network

This IP is hosted on a network (ASN 49815) with generally good reputation. The ISP Host2 LTD maintains standard security practices.

The malicious activity may represent an isolated compromised system rather than systematic abuse.

Security Recommendations

Proactive blocking essential. Significant operational risk detected.

Long-term blocking recommended.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 0/10 Inactive

Confidence Score 26% Medium Confidence

Confidence History

11. Sep 2026 - 12. Sep 2026

26% Current

Stable Trend

Date	Categories	Source	Confidence
12. Sep 2026	SSH Hacking	Honeypot x2	75%
11. Sep 2026	SSH Hacking	Honeypot x2	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%

Basic Information

IP Address: 87.121.166.146
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: BG
ASN: AS49815
ISP: Host2 LTD

DNS Information

Reverse DNS: None
PTR Record: No
Connection Type: Static

Statistics

Total Reports: 3
First Reported: 11 Sep 2026
Last Reported: 12 Sep 2026, 11:55

Comparative Analysis

How this IP compares to others in our threat intelligence database

96 %

Global Threat Ranking

This IP is more threatening than 96% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 852,526 reported IPs worldwide

Threat Level 10/10 avg: 6.3 ++

Total Reports 3 avg: 9 --

Network Comparison

Compared against 2 IPs in ASN 49815

Threat Level 10/10 network avg: 8.5 +

Total Reports 3 network avg: 2 +

Geographic Comparison

Compared against 2,315 IPs in BG

Threat Level 10/10 country avg: 6.5 ++

Total Reports 3 country avg: 56 --

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

Peak Day 12 Sep 2026 1 reports

Daily Average 0 reports/day

Most Active Friday 2 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 3

SSH 3

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

Hourly Activity

Peak activity at 11:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

774,814 threat incidents tracked globally • Last 24h: 30,273 Logs

FEED

Top Threat Sources

01

United States US

151,286 19.5%
02

Brazil BR

113,032 14.6%
03

India IN

90,238 11.6%
04

China CN

46,725 6%
05

SC SC

29,269 3.8%
06

Germany DE

18,916 2.4%
07

Pakistan PK

18,495 2.4%
08

Netherlands NL

18,323 2.4%
09

Argentina AR

16,746 2.2%
10

Indonesia ID

15,397 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

1 Related IPs

7/10 Avg Threat

24% Avg Confidence

1 High Threat

High-risk network: Majority of related IPs are flagged

Extreme Threat

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

Reputable Network

Security Recommendations

Basic Information

Geolocation

DNS Information

Statistics

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

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Apache .htaccess

PDF Report

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