Is IP address 45.139.104.121 dangerous?

Yes, 45.139.104.121 is considered dangerous with a threat level of 7/10. It has been reported 1 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 45.139.104.121?

IP address 45.139.104.121 is operated by 49.3 Networking LLC (ASN 399979) and is geolocated to BG. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 45.139.104.121?

Yes, blocking 45.139.104.121 is strongly recommended. With a threat level of 7/10 and 1 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 45.139.104.121?

Our threat assessment for 45.139.104.121 has a confidence score of 17%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

45.139.104.121

IPv4 Public

AS399979

49.3 Networking LLC

1 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

Bulgaria Location

49.3 Networking LLC ASN 399979

1 Reports

Honeypot Data Source

Substantial Risk

Threat level 7/10 for 45.139.104.121 based on 1 documented incidents.

Consistent suspicious behavior patterns. 17% confidence rating.

More threatening than 77% of monitored IPs

Threat Categories

Web App Attack 1

Technical Details

Web application attacks target vulnerabilities like XSS, CSRF, file inclusion, and other OWASP Top 10 issues.

Recommended Mitigations

Deploy web application firewalls, keep applications updated, and conduct regular security audits.

Reputable Network

This IP is hosted on a network (ASN 399979) with generally good reputation. The ISP 49.3 Networking LLC 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.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 7/10 High

High

Activity Frequency 0/10 Inactive

Confidence Score 15% Low Confidence

Date	Categories	Source	Confidence
28. Aug 2026	Web App Attack	Honeypot	75%

Basic Information

IP Address: 45.139.104.121
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: BG
ASN: AS399979
ISP: 49.3 Networking LLC

DNS Information

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

Statistics

Total Reports: 1
First Reported: 28 Aug 2026
Last Reported: 28 Aug 2026, 22:37

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: AS399979

Organization: 49.3 Networking LLC

Country:

Network Threat Assessment

3/10

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

Network Statistics

Total IPs Monitored

738

Total Reports

52.7

Reports per IP

Network Context

This IP address belongs to 49.3 Networking LLC (AS399979), which manages 14 IP addresses in our monitoring system. Out of these, 738 have been reported for suspicious activities, resulting in a network-wide threat level of 3/10.

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

77 %

Global Threat Ranking

This IP is more threatening than 77% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 806,190 reported IPs worldwide

Threat Level 7/10 avg: 6.3 =

Total Reports 1 avg: 9 --

Network Comparison

Compared against 27 IPs in ASN 399979

Threat Level 7/10 network avg: 7.7 =

Total Reports 1 network avg: 25 --

Network 49.3 Networking LLC has overall threat level 3/10

Geographic Comparison

Compared against 2,203 IPs in BG

Threat Level 7/10 country avg: 6.5 =

Total Reports 1 country avg: 57 --

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Friday 1 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

Web App Attack 1

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

Hourly Activity

Peak activity at 22:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

733,186 threat incidents tracked globally • Last 24h: 28,963 Logs

FEED

Top Threat Sources

01

United States US

143,190 19.5%
02

Brazil BR

110,727 15.1%
03

India IN

82,109 11.2%
04

China CN

44,727 6.1%
05

SC SC

29,233 4%
06

Germany DE

17,474 2.4%
07

Netherlands NL

17,459 2.4%
08

Pakistan PK

16,628 2.3%
09

Argentina AR

16,188 2.2%
10

Colombia CO

15,132 2.1%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

8/10 Avg Threat

19% Avg Confidence

15 High Threat

High-risk network: Majority of related IPs are flagged

Substantial Risk

Threat Categories

Technical Details

Recommended Mitigations

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

Analyzed high-risk IP addresses