Is IP address 82.21.4.241 dangerous?

Yes, 82.21.4.241 is considered dangerous with a threat level of 7/10. It has been reported 3 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 82.21.4.241?

IP address 82.21.4.241 is operated by UP-NETWORK Sarl (ASN 213929) and is geolocated to CH. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 82.21.4.241?

Yes, blocking 82.21.4.241 is strongly recommended. With a threat level of 7/10 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 82.21.4.241?

Our threat assessment for 82.21.4.241 has a confidence score of 38%, based on 3 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

82.21.4.241

IPv4 Public

AS213929

UP-NETWORK Sarl

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

Switzerland Location

UP-NETWORK Sarl ASN 213929

3 Reports

Honeypot Data Source

Elevated Risk

Elevated threat level 7/10 for IP 82.21.4.241 from 3 reported incidents.

Behavioral profile indicates cyber threat activity with 38% confidence.

More threatening than 88% of monitored IPs

Threat Categories

Fraud VoIP 3

Technical Details

VoIP fraud exploits phone systems to make unauthorized calls, often to premium rate numbers for financial gain.

Recommended Mitigations

Implement call authentication, monitor call patterns, and restrict international/premium rate dialing.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over 2 weeks indicates persistent threat actor operations.

First Observed 25. October 2026

Last Activity 9. November 2026

Recent (7 days) 1 incidents

Reputable Network

This IP is hosted on a network (ASN 213929) with generally good reputation. The ISP UP-NETWORK Sarl maintains standard security practices.

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

Security Recommendations

Enhanced monitoring recommended. Review logs for interactions with this IP.

Long-term blocking recommended.

Reputation Summary

Threat Level 7/10 High

High

Activity Frequency 0/10 Inactive

Confidence Score 38% Medium Confidence

Confidence History

25. Oct 2026 - 9. Nov 2026

38% Current

Stable Trend

Date	Categories	Source	Confidence
9. Nov 2026	Fraud VoIP	Honeypot	75%
25. Oct 2026	Fraud VoIP	Honeypot	75%
25. Oct 2026	Fraud VoIP	Honeypot	75%

Basic Information

IP Address: 82.21.4.241
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: CH
ASN: AS213929
ISP: UP-NETWORK Sarl

DNS Information

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

Statistics

Total Reports: 3
First Reported: 27 Oct 2026
Last Reported: 9 Nov 2026, 22:10

Comparative Analysis

How this IP compares to others in our threat intelligence database

88 %

Global Threat Ranking

This IP is more threatening than 88% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 1,347,762 reported IPs worldwide

Threat Level 7/10 avg: 6.0 +

Total Reports 3 avg: 7 --

Network Comparison

Compared against 417 IPs in ASN 213929

Threat Level 7/10 network avg: 6.0 +

Total Reports 3 network avg: 1 ++

Geographic Comparison

Compared against 2,457 IPs in CH

Threat Level 7/10 country avg: 6.6 =

Total Reports 3 country avg: 14 --

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

Peak Day 25 Oct 2026 2 reports

Daily Average 0.1 reports/day

Most Active Sunday 2 reports

Evolution of threat level over time based on reported categories and frequency.

Initial Threat 5/10

Current Threat 5/10

Distribution of threat categories reported over time.

Top Threat Categories

Fraud VoIP 3

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

Hourly Activity

Peak activity at 00:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

1,228,688 threat incidents tracked globally • Last 24h: 20,944 Logs

FEED

Top Threat Sources

01

Brazil BR

261,580 21.3%
02

United States US

212,649 17.3%
03

India IN

103,991 8.5%
04

China CN

52,261 4.3%
05

Argentina AR

42,556 3.5%
06

SC SC

29,476 2.4%
07

Mexico MX

28,097 2.3%
08

Russia RU

27,350 2.2%
09

Germany DE

25,503 2.1%
10

Colombia CO

24,333 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

6.7/10 Avg Threat

36% Avg Confidence

12 High Threat

High-risk network: Majority of related IPs are flagged

Elevated Risk

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