Is IP address 109.245.37.16 dangerous?

109.245.37.16 presents moderate risk with a threat level of 6/10. While not critically dangerous, it has been associated with activity. Monitoring and conditional blocking is recommended.

Who owns or operates IP address 109.245.37.16?

IP address 109.245.37.16 is operated by CETIN Ltd. Belgrade (ASN 15958) and is geolocated to RS. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 109.245.37.16?

Blocking 109.245.37.16 is advisable for security-sensitive environments. With a threat level of 6/10, consider implementing conditional blocks or rate limiting.

How accurate is this threat assessment for 109.245.37.16?

Our threat assessment for 109.245.37.16 has a confidence score of 22%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

109.245.37.16

IPv4 Public

AS15958

CETIN Ltd. Belgrade

1 Reports

Serbia Location

CETIN Ltd. Belgrade ASN 15958

1 Reports

Community Data Source

Moderate Risk

IP 109.245.37.16 presents moderate risk (6/10) with 1 security reports.

Some concerning behavior detected. Confidence: 22%.

More threatening than 30% of monitored IPs

Threat Categories

Brute-Force 1

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 29. May 2026

Last Activity 29. May 2026

Recent (7 days) 0 incidents

High-Risk Network Association

This IP belongs to a network (ASN 15958) with elevated threat levels. The ISP CETIN Ltd. Belgrade hosts multiple reported malicious addresses, suggesting systemic security issues or permissive policies.

Network-wide patterns may indicate this is part of a larger malicious infrastructure.

Security Recommendations

Standard monitoring recommended. Apply conditional access controls as needed.

Long-term blocking recommended.

Reputation Summary

Threat Level 6/10 Medium

High

Activity Frequency 2/10 Very Low

Confidence Score 16% Low Confidence

Date	Categories	Source	Confidence
29. May 2026	Brute-Force	Community	75%

Basic Information

IP Address: 109.245.37.16
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: RS
ASN: AS15958
ISP: CETIN Ltd. Belgrade

DNS Information

Reverse DNS: net16-37-245-109.mbb.yettel.rs
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 1
First Reported: 29 May 2026
Last Reported: 29 May 2026, 20:08

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: AS15958

Organization: CETIN Ltd. Belgrade

Country:

Network Threat Assessment

7/10

This network shows moderate threat levels with some malicious activity patterns.

Network Statistics

Total IPs Monitored

Total Reports

Reports per IP

Network Context

This IP address belongs to CETIN Ltd. Belgrade (AS15958), which manages 1 IP addresses in our monitoring system. Out of these, 1 have been reported for suspicious activities, resulting in a network-wide threat level of 7/10.

Network warning: This network has elevated threat levels. Exercise caution when interacting with IPs from this ASN.

Comparative Analysis

How this IP compares to others in our threat intelligence database

30 %

Global Threat Ranking

This IP is more threatening than 30% of all IPs in our database.

Below Average Threat

Global Comparison

Compared against 199,621 reported IPs worldwide

Threat Level 6/10 avg: 5.3 =

Total Reports 1 avg: 23 --

Network Comparison

Compared against 16 IPs in ASN 15958

Threat Level 6/10 network avg: 6.1 =

Total Reports 1 network avg: 2 -

Network CETIN Ltd. Belgrade has overall threat level 7/10

Geographic Comparison

Compared against 251 IPs in RS

Threat Level 6/10 country avg: 5.1 +

Total Reports 1 country avg: 3 --

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

Peak Day 29 May 2026 1 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

Brute-Force 1

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

Hourly Activity

Peak activity at 20:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

187,273 threat incidents tracked globally • Last 24h: 18,965 Logs

FEED

Top Threat Sources

01

United States US

38,457 20.5%
02

India IN

29,090 15.5%
03

China CN

26,027 13.9%
04

Brazil BR

10,256 5.5%
05

Germany DE

7,143 3.8%
06

Singapore SG

6,476 3.5%
07

Indonesia ID

5,543 3%
08

Russia RU

4,703 2.5%
09

Pakistan PK

4,670 2.5%
10

Netherlands NL

4,357 2.3%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

15 Related IPs

6.1/10 Avg Threat

28% Avg Confidence

5 High Threat

Elevated risk: Multiple related IPs are flagged

Moderate Risk

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

High-Risk Network Association

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

reportedIP

Parkstraße 19, 80339 München

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