Is IP address 83.98.91.140 dangerous?

Yes, 83.98.91.140 is considered dangerous with a threat level of 10/10. It has been reported 4 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 83.98.91.140?

IP address 83.98.91.140 is operated by Opnet Srl (ASN 198471) and is geolocated to IT. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 83.98.91.140?

Yes, blocking 83.98.91.140 is strongly recommended. With a threat level of 10/10 and 4 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 83.98.91.140?

Our threat assessment for 83.98.91.140 has a confidence score of 62%, based on 4 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

83.98.91.140

IPv4 Public

AS198471

Opnet Srl

4 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

Italy Location

Opnet Srl ASN 198471

4 Reports

Mixed Data Source

Extreme Threat

IP 83.98.91.140 classified at threat level 10/10 with 4 documented attacks.

Advanced threat indicators confirmed with 62% certainty.

More threatening than 98% of monitored IPs

Threat Categories

Brute-Force 4

Web App Attack 4

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 7. October 2026

Last Activity 7. October 2026

Recent (7 days) 4 incidents

Reputable Network

This IP is hosted on a network (ASN 198471) with generally good reputation. The ISP Opnet Srl 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 8/10 High

Confidence Score 62% High Confidence

Confidence History

7. Oct 2026

62% Current

Stable Trend

Date	Categories	Source	Confidence
7. Oct 2026 New	Brute-Force Web App Attack	Honeypot	75%
7. Oct 2026 New	Brute-Force Web App Attack	Honeypot	75%
7. Oct 2026 New	Brute-Force Web App Attack	Honeypot	75%
7. Oct 2026 New	Brute-Force Web App Attack	Community x2	75%

Basic Information

IP Address: 83.98.91.140
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: IT
ASN: AS198471
ISP: Opnet Srl

DNS Information

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

Statistics

Total Reports: 4
First Reported: 7 Oct 2026
Last Reported: 7 Oct 2026, 15:00

Comparative Analysis

How this IP compares to others in our threat intelligence database

98 %

Global Threat Ranking

This IP is more threatening than 98% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 831,968 reported IPs worldwide

Threat Level 10/10 avg: 6.3 ++

Total Reports 4 avg: 9 --

Network Comparison

Compared against 68 IPs in ASN 198471

Threat Level 10/10 network avg: 5.6 ++

Total Reports 4 network avg: 2 ++

Geographic Comparison

Compared against 8,171 IPs in IT

Threat Level 10/10 country avg: 5.7 ++

Total Reports 4 country avg: 3 +

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

Peak Day 7 Oct 2026 4 reports

Daily Average 0.1 reports/day

Most Active Wednesday 4 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 4

Web App Attack 4

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

Hourly Activity

Peak activity at 14:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

756,324 threat incidents tracked globally • Last 24h: 29,126 Logs

FEED

Top Threat Sources

01

United States US

147,961 19.6%
02

Brazil BR

111,800 14.8%
03

India IN

87,106 11.5%
04

China CN

46,037 6.1%
05

SC SC

29,252 3.9%
06

Germany DE

18,344 2.4%
07

Netherlands NL

17,967 2.4%
08

Pakistan PK

17,783 2.4%
09

Argentina AR

16,265 2.2%
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

5.9/10 Avg Threat

22% Avg Confidence

5 High Threat

Elevated risk: Multiple 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

nginx

Apache .htaccess

PDF Report

Analyzed high-risk IP addresses