Is IP address 91.150.199.81 dangerous?

Yes, 91.150.199.81 is considered dangerous with a threat level of 8/10. It has been reported 16 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 91.150.199.81?

IP address 91.150.199.81 is operated by Play (ASN 9141) and is geolocated to PL. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 91.150.199.81?

Yes, blocking 91.150.199.81 is strongly recommended. With a threat level of 8/10 and 16 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 91.150.199.81?

Our threat assessment for 91.150.199.81 has a confidence score of 93%, based on 16 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

91.150.199.81

IPv4 Public

AS9141

Play

16 Reports

Poland Location

Play ASN 9141

16 Reports

Honeypot Data Source

Substantial Risk

Threat level 8/10 for 91.150.199.81 based on 16 documented incidents.

Consistent suspicious behavior patterns. 93% confidence rating.

More threatening than 90% of monitored IPs

Threat Categories

Brute-Force 16

Technical Details

Brute-force attacks systematically attempt password combinations against authentication systems.

Recommended Mitigations

Implement rate limiting, account lockout policies, multi-factor authentication, and fail2ban.

Behavioral Analysis

Activity Pattern: Recent Spike

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

First Observed 18. September 2026

Last Activity 20. September 2026

Recent (7 days) 16 incidents

Reputable Network

This IP is hosted on a network (ASN 9141) with generally good reputation. The ISP Play maintains standard security practices.

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

Security Recommendations

Configure firewall rules and intrusion detection alerts.

Immediate monitoring recommended.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 8/10 High

Confidence Score 93% Verified

Confidence History

18. Sep 2026 - 20. Sep 2026

93% Current

Stable Trend

Date	Categories	Source	Confidence
20. Sep 2026 New	Brute-Force	Honeypot	75%
20. Sep 2026 New	Brute-Force	Honeypot	75%
19. Sep 2026 New	Brute-Force	Honeypot	75%
19. Sep 2026 New	Brute-Force	Honeypot	75%
19. Sep 2026 New	Brute-Force	Honeypot	75%
19. Sep 2026 New	Brute-Force	Honeypot	75%
19. Sep 2026 New	Brute-Force	Honeypot	75%
19. Sep 2026	Brute-Force	Honeypot	75%
19. Sep 2026	Brute-Force	Honeypot	75%
19. Sep 2026	Brute-Force	Honeypot	75%
19. Sep 2026	Brute-Force	Honeypot	75%
19. Sep 2026	Brute-Force	Honeypot	75%
19. Sep 2026	Brute-Force	Honeypot	75%
18. Sep 2026	Brute-Force	Honeypot	75%
18. Sep 2026	Brute-Force	Honeypot	75%
18. Sep 2026	Brute-Force	Honeypot	75%

Basic Information

IP Address: 91.150.199.81
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: PL
ASN: AS9141
ISP: Play

DNS Information

Reverse DNS: 91-150-199-81.dynamic.play.pl
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 16
First Reported: 18 Sep 2026
Last Reported: 20 Sep 2026, 00:12

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: AS9141

Organization: Play

Country:

Network Threat Assessment

2/10

This network appears to be relatively clean with very low threat indicators.

Network Statistics

Total IPs Monitored

Total Reports

3.8

Reports per IP

Network Context

This IP address belongs to Play (AS9141), which manages 19 IP addresses in our monitoring system. Out of these, 73 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

90 %

Global Threat Ranking

This IP is more threatening than 90% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 767,791 reported IPs worldwide

Threat Level 8/10 avg: 5.8 +

Total Reports 16 avg: 9 ++

Network Comparison

Compared against 281 IPs in ASN 9141

Threat Level 8/10 network avg: 5.2 ++

Total Reports 16 network avg: 2 ++

Network Play has overall threat level 2/10

Geographic Comparison

Compared against 5,154 IPs in PL

Threat Level 8/10 country avg: 5.6 +

Total Reports 16 country avg: 7 ++

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

Peak Day 19 Sep 2026 11 reports

Daily Average 0.5 reports/day

Most Active Saturday 11 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

Brute-Force 16

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

Hourly Activity

Peak activity at 22:00 with 4 reports

Weekly Activity

Geographic Threat Distribution

698,367 threat incidents tracked globally • Last 24h: 22,995 Logs

FEED

Top Threat Sources

01

United States US

134,954 19.3%
02

Brazil BR

109,430 15.7%
03

India IN

75,806 10.9%
04

China CN

43,125 6.2%
05

SC SC

29,184 4.2%
06

Netherlands NL

16,474 2.4%
07

Argentina AR

16,068 2.3%
08

Germany DE

15,824 2.3%
09

Pakistan PK

15,213 2.2%
10

Colombia CO

15,077 2.2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

7/10 Avg Threat

56% Avg Confidence

15 High Threat

High-risk network: Majority of related IPs are flagged

Substantial Risk

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

Reputable Network

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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