Is IP address 216.173.108.137 dangerous?

216.173.108.137 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 216.173.108.137?

IP address 216.173.108.137 is operated by CAFER ESER (ASN 215391) and is geolocated to TR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 216.173.108.137?

Blocking 216.173.108.137 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 216.173.108.137?

Our threat assessment for 216.173.108.137 has a confidence score of 27%, based on 9 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

216.173.108.137

IPv4 Public

AS215391

CAFER ESER

9 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

Türkiye Location

CAFER ESER ASN 215391

9 Reports

Community Data Source

Cautionary Risk

IP 216.173.108.137 rated 6/10 from 9 security events.

Mixed behavior profile detected. Confidence: 27%.

More threatening than 65% of monitored IPs

Threat Categories

Port Scan 9

Technical Details

Port scanning identifies open services and potential attack vectors on target systems as reconnaissance for attacks.

Recommended Mitigations

Minimize exposed services, implement firewall rules, and monitor for scanning patterns.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over 1 week indicates persistent threat actor operations.

First Observed 26. October 2026

Last Activity 5. November 2026

Recent (7 days) 0 incidents

High-Risk Network Association

This IP belongs to a network (ASN 215391) with elevated threat levels. The ISP CAFER ESER 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

Apply balanced security measures based on risk tolerance.

Long-term blocking recommended.

Reputation Summary

Threat Level 6/10 Medium

High

Activity Frequency 1/10 Very Low

Confidence Score 27% Medium Confidence

Confidence History

26. Oct 2026 - 5. Nov 2026

27% Current

Stable Trend

Date	Categories	Source	Confidence
5. Nov 2026	Port Scan	Community	75%
4. Nov 2026	Port Scan	Community	75%
3. Nov 2026	Port Scan	Community x2	75%
1. Nov 2026	Port Scan	Community	75%
31. Oct 2026	Port Scan	Community	75%
30. Oct 2026	Port Scan	Community	75%
29. Oct 2026	Port Scan	Community	75%
27. Oct 2026	Port Scan	Community	75%
26. Oct 2026	Port Scan	Community	75%

Basic Information

IP Address: 216.173.108.137
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class C

Geolocation

Country: TR
ASN: AS215391
ISP: CAFER ESER

DNS Information

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

Statistics

Total Reports: 9
First Reported: 27 Oct 2026
Last Reported: 5 Nov 2026, 18:14

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: AS215391

Organization: CAFER ESER

Country:

Network Threat Assessment

8/10

This network has a high threat level with significant malicious activity reported across multiple IPs.

Network Statistics

Total IPs Monitored

Total Reports

Reports per IP

Network Context

This IP address belongs to CAFER ESER (AS215391), which manages 1 IP addresses in our monitoring system. Out of these, 5 have been reported for suspicious activities, resulting in a network-wide threat level of 8/10.

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

65 %

Global Threat Ranking

This IP is more threatening than 65% of all IPs in our database.

Above Average Threat

Global Comparison

Compared against 1,352,021 reported IPs worldwide

Threat Level 6/10 avg: 6.0 =

Total Reports 9 avg: 7 +

Network Comparison

Compared against 8 IPs in ASN 215391

Threat Level 6/10 network avg: 7.8 -

Total Reports 9 network avg: 32 --

Network CAFER ESER has overall threat level 8/10

Geographic Comparison

Compared against 12,765 IPs in TR

Threat Level 6/10 country avg: 7.7 -

Total Reports 9 country avg: 7 +

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

Peak Day 26 Oct 2026 1 reports

Daily Average 0.3 reports/day

Most Active Tuesday 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

Port Scan 9

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

Hourly Activity

Peak activity at 04:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

1,232,307 threat incidents tracked globally • Last 24h: 20,723 Logs

FEED

Top Threat Sources

01

Brazil BR

261,719 21.2%
02

United States US

213,607 17.3%
03

India IN

104,158 8.5%
04

China CN

52,534 4.3%
05

Argentina AR

42,605 3.5%
06

SC SC

29,485 2.4%
07

Mexico MX

28,148 2.3%
08

Russia RU

27,411 2.2%
09

Germany DE

25,867 2.1%
10

Colombia CO

24,359 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

7 Related IPs

8/10 Avg Threat

29% Avg Confidence

6 High Threat

High-risk network: Majority of related IPs are flagged

Cautionary 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