Is IP address 145.159.106.23 dangerous?

145.159.106.23 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 145.159.106.23?

IP address 145.159.106.23 is operated by SURF B.V. (ASN 1103) and is geolocated to NL. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 145.159.106.23?

Blocking 145.159.106.23 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 145.159.106.23?

Our threat assessment for 145.159.106.23 has a confidence score of 10%, based on 2 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

145.159.106.23

IPv4 Public

AS1103

SURF B.V.

2 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

NL Location

SURF B.V. ASN 1103

2 Reports

Community Data Source

Measured Risk

IP 145.159.106.23 threat rating: 6/10 from 2 observations.

Attention-worthy behavior detected. Confidence: 10%.

More threatening than 41% of monitored IPs

Threat Categories

Hacking 2

WP User Enumeration 2

Technical Details

General hacking activity includes various intrusion attempts, exploitation of vulnerabilities, and unauthorized access attempts.

Recommended Mitigations

Keep systems patched, implement intrusion detection, and follow security best practices.

Moderate Network Risk

The network hosting this IP (ASN 1103, operated by SURF B.V.) shows moderate threat indicators. Some concerning activity has been detected from neighboring addresses.

Consider the network context when assessing this individual IP.

Security Recommendations

Standard security protocols sufficient. Monitor but no immediate blocking required.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 6/10 Medium

High

Activity Frequency 0/10 Inactive

Confidence Score 0% Unverified

Confidence History

5. Dec 2025

10% Current

Stable Trend

Date	Categories	Source	Confidence
5. Dec 2025	WP User Enumeration Hacking	Community	75%
5. Dec 2025	WP User Enumeration Hacking	Community	75%

Basic Information

IP Address: 145.159.106.23
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: NL
ASN: AS1103
ISP: SURF B.V.

DNS Information

Reverse DNS: 145.159.EARLY-REGISTRATION.of.SURFnet.invalid
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 2
First Reported: 5 Dec 2025
Last Reported: 5 Dec 2025, 14:46

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: AS1103

Organization: SURF B.V.

Country:

Network Threat Assessment

5/10

This network has low threat indicators with minimal suspicious activity.

Network Statistics

Total IPs Monitored

Total Reports

6.4

Reports per IP

Network Context

This IP address belongs to SURF B.V. (AS1103), which manages 5 IP addresses in our monitoring system. Out of these, 32 have been reported for suspicious activities, resulting in a network-wide threat level of 5/10.

Network notice: This network shows some suspicious activity patterns. Monitor interactions with IPs from this ASN.

Comparative Analysis

How this IP compares to others in our threat intelligence database

41 %

Global Threat Ranking

This IP is more threatening than 41% of all IPs in our database.

Below Average Threat

Global Comparison

Compared against 849,018 reported IPs worldwide

Threat Level 6/10 avg: 6.3 =

Total Reports 2 avg: 9 --

Network Comparison

Compared against 15 IPs in ASN 1103

Threat Level 6/10 network avg: 7.6 -

Total Reports 2 network avg: 5 --

Network SURF B.V. has overall threat level 5/10

Geographic Comparison

Compared against 18,262 IPs in NL

Threat Level 6/10 country avg: 6.3 =

Total Reports 2 country avg: 30 --

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Friday 2 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

WP User Enumeration 2

Hacking 2

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

Hourly Activity

Peak activity at 13:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

771,672 threat incidents tracked globally • Last 24h: 28,306 Logs

FEED

Top Threat Sources

01

United States US

150,679 19.5%
02

Brazil BR

112,847 14.6%
03

India IN

89,765 11.6%
04

China CN

46,566 6%
05

SC SC

29,265 3.8%
06

Germany DE

18,834 2.4%
07

Pakistan PK

18,359 2.4%
08

Netherlands NL THIS IP

18,262 2.4%
09

Argentina AR

16,682 2.2%
10

Colombia CO

15,347 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

14 Related IPs

7.7/10 Avg Threat

15% Avg Confidence

14 High Threat

High-risk network: Majority of related IPs are flagged

Measured Risk

Threat Categories

Technical Details

Recommended Mitigations

Moderate Network Risk

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