Is IP address 198.143.176.154 dangerous?

Yes, 198.143.176.154 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 198.143.176.154?

IP address 198.143.176.154 is operated by A1 Srbija d.o.o. Beograd (ASN 44143) and is geolocated to RS. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 198.143.176.154?

Yes, blocking 198.143.176.154 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 198.143.176.154?

Our threat assessment for 198.143.176.154 has a confidence score of 51%, based on 3 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

198.143.176.154

IPv4 Public

AS44143

A1 Srbija d.o.o. Beograd

3 Reports

Serbia Location

A1 Srbija d.o.o. Beograd ASN 44143

3 Reports

Honeypot Data Source

Critical Alert

Security alert: 198.143.176.154 rated 10/10 based on 3 verified incidents.

Threat profile indicates sustained malicious activity with 51% confidence rating.

More threatening than 93% of monitored IPs

Threat Categories

Brute-Force 3

Web App Attack 3

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: Consistent Activity

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

First Observed 1. September 2026

Last Activity 1. September 2026

Recent (7 days) 0 incidents

Reputable Network

This IP is hosted on a network (ASN 44143) with generally good reputation. The ISP A1 Srbija d.o.o. Beograd maintains standard security practices.

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

Security Recommendations

Implement immediate countermeasures. Well-resourced threat actor identified.

Long-term blocking recommended.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 6/10 Moderate

Confidence Score 39% Medium Confidence

Confidence History

1. Sep 2026

51% Current

Stable Trend

Date	Categories	Source	Confidence
1. Sep 2026	Brute-Force Web App Attack	Honeypot	75%
1. Sep 2026	Brute-Force Web App Attack	Honeypot	75%
1. Sep 2026	Brute-Force Web App Attack	Honeypot	75%

Basic Information

IP Address: 198.143.176.154
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class C

Geolocation

Country: RS
ASN: AS44143
ISP: A1 Srbija d.o.o. Beograd

DNS Information

Reverse DNS: 198-143-176-154.dynamic.a1.rs
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 3
First Reported: 1 Sep 2026
Last Reported: 1 Sep 2026, 14:43

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: AS44143

Organization: A1 Srbija d.o.o

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

Reports per IP

Network Context

This IP address belongs to A1 Srbija d.o.o (AS44143), which manages 4 IP addresses in our monitoring system. Out of these, 4 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

93 %

Global Threat Ranking

This IP is more threatening than 93% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 767,914 reported IPs worldwide

Threat Level 10/10 avg: 5.8 ++

Total Reports 3 avg: 9 --

Network Comparison

Compared against 160 IPs in ASN 44143

Threat Level 10/10 network avg: 5.6 ++

Total Reports 3 network avg: 1 ++

Network A1 Srbija d.o.o. Beograd has overall threat level 2/10

Geographic Comparison

Compared against 1,552 IPs in RS

Threat Level 10/10 country avg: 5.7 ++

Total Reports 3 country avg: 2 ++

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

Peak Day 1 Sep 2026 3 reports

Daily Average 0.1 reports/day

Most Active Tuesday 3 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 3

Web App Attack 3

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

Hourly Activity

Peak activity at 14:00 with 3 reports

Weekly Activity

Geographic Threat Distribution

698,535 threat incidents tracked globally • Last 24h: 23,253 Logs

FEED

Top Threat Sources

01

United States US

134,984 19.3%
02

Brazil BR

109,432 15.7%
03

India IN

75,807 10.9%
04

China CN

43,137 6.2%
05

SC SC

29,184 4.2%
06

Netherlands NL

16,476 2.4%
07

Argentina AR

16,068 2.3%
08

Germany DE

15,831 2.3%
09

Pakistan PK

15,218 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

8.4/10 Avg Threat

54% Avg Confidence

19 High Threat

High-risk network: Majority of related IPs are flagged

Critical Alert

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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