Is IP address 87.49.45.46 dangerous?

Yes, 87.49.45.46 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 87.49.45.46?

IP address 87.49.45.46 is operated by TDC Holding A/S (ASN 3292) and is geolocated to DK. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 87.49.45.46?

Yes, blocking 87.49.45.46 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 87.49.45.46?

Our threat assessment for 87.49.45.46 has a confidence score of 51%, based on 3 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

87.49.45.46

IPv4 Public

AS3292

TDC Holding A/S

3 Reports

Denmark Location

TDC Holding A/S ASN 3292

3 Reports

Honeypot Data Source

Extreme Threat

IP 87.49.45.46 classified at threat level 10/10 with 3 documented attacks.

Advanced threat indicators confirmed with 51% certainty.

More threatening than 90% 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 16. August 2026

Last Activity 16. August 2026

Recent (7 days) 0 incidents

Reputable Network

This IP is hosted on a network (ASN 3292) with generally good reputation. The ISP TDC Holding A/S 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 6/10 Moderate

Confidence Score 39% Medium Confidence

Confidence History

16. Aug 2026

51% Current

Stable Trend

Date	Categories	Source	Confidence
16. Aug 2026	Brute-Force Web App Attack	Honeypot	75%
16. Aug 2026	Brute-Force Web App Attack	Honeypot	75%
16. Aug 2026	Brute-Force Web App Attack	Honeypot	75%

Basic Information

IP Address: 87.49.45.46
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: DK
ASN: AS3292
ISP: TDC Holding A/S

DNS Information

Reverse DNS: 87-49-45-46-mobile.dk.customer.tdc.net
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 3
First Reported: 16 Aug 2026
Last Reported: 16 Aug 2026, 03:49

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: AS3292

Organization: TDC Holding A/S

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

1.3

Reports per IP

Network Context

This IP address belongs to TDC Holding A/S (AS3292), which manages 4 IP addresses in our monitoring system. Out of these, 5 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 389,968 reported IPs worldwide

Threat Level 10/10 avg: 6.0 ++

Total Reports 3 avg: 15 --

Network Comparison

Compared against 39 IPs in ASN 3292

Threat Level 10/10 network avg: 6.4 ++

Total Reports 3 network avg: 15 --

Network TDC Holding A/S has overall threat level 2/10

Geographic Comparison

Compared against 311 IPs in DK

Threat Level 10/10 country avg: 5.9 ++

Total Reports 3 country avg: 5 -

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

Peak Day 16 Aug 2026 3 reports

Daily Average 0.1 reports/day

Most Active Sunday 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 03:00 with 3 reports

Weekly Activity

Geographic Threat Distribution

362,214 threat incidents tracked globally • Last 24h: 18,036 Logs

FEED

Top Threat Sources

01

United States US

86,798 24%
02

India IN

56,135 15.5%
03

China CN

38,672 10.7%
04

Brazil BR

29,251 8.1%
05

Germany DE

11,784 3.3%
06

Pakistan PK

9,810 2.7%
07

Indonesia ID

9,313 2.6%
08

Singapore SG

9,064 2.5%
09

France FR

7,271 2%
10

Russia RU

7,263 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

41% Avg Confidence

18 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

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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