Is IP address 109.51.157.188 dangerous?

109.51.157.188 presents moderate risk with a threat level of 5/10. While not critically dangerous, it has been associated with activity. Monitoring and conditional blocking is recommended.

Who owns or operates IP address 109.51.157.188?

IP address 109.51.157.188 is operated by Nos Comunicacoes, S.A. (ASN 2860) and is geolocated to PT. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 109.51.157.188?

Blocking 109.51.157.188 is advisable for security-sensitive environments. With a threat level of 5/10, consider implementing conditional blocks or rate limiting.

How accurate is this threat assessment for 109.51.157.188?

Our threat assessment for 109.51.157.188 has a confidence score of 13%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

109.51.157.188

IPv4 Public

AS2860

Nos Comunicacoes, S.A.

1 Reports

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Portugal Location

Nos Comunicacoes, S.A. ASN 2860

1 Reports

Honeypot Data Source

Moderate Risk

IP 109.51.157.188 presents moderate risk (5/10) with 1 security reports.

Some concerning behavior detected. Confidence: 13%.

More threatening than 18% of monitored IPs

Threat Categories

Bad Web Bot 1

WP Content Scraping 1

Technical Details

Bad web bots ignore robots.txt, scrape content aggressively, and may probe for vulnerabilities.

Recommended Mitigations

Implement bot detection, rate limiting, and use services like Cloudflare Bot Management.

Reputable Network

This IP is hosted on a network (ASN 2860) with generally good reputation. The ISP Nos Comunicacoes, S.A. maintains standard security practices.

The malicious activity may represent an isolated compromised system rather than systematic abuse.

Security Recommendations

Standard monitoring recommended. Apply conditional access controls as needed.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 5/10 Medium

Medium

Activity Frequency 0/10 Inactive

Confidence Score 10% Low Confidence

Date	Categories	Source	Confidence
29. Aug 2026	Bad Web Bot WP Content Scraping	Honeypot	75%

Basic Information

IP Address: 109.51.157.188
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: PT
ASN: AS2860
ISP: Nos Comunicacoes, S.A.

DNS Information

Reverse DNS: a109-51-157-188.cpe.netcabo.pt
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 1
First Reported: 29 Aug 2026
Last Reported: 29 Aug 2026, 11:41

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: AS2860

Organization: Nos Comunicacoes, S.A.

Country:

Network Threat Assessment

1/10

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

Network Statistics

Total IPs Monitored

387

Total Reports

25.8

Reports per IP

Network Context

This IP address belongs to Nos Comunicacoes, S.A. (AS2860), which manages 15 IP addresses in our monitoring system. Out of these, 387 have been reported for suspicious activities, resulting in a network-wide threat level of 1/10.

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

18 %

Global Threat Ranking

This IP is more threatening than 18% of all IPs in our database.

Low Threat Percentile

Global Comparison

Compared against 832,206 reported IPs worldwide

Threat Level 5/10 avg: 6.3 -

Total Reports 1 avg: 9 --

Network Comparison

Compared against 1,059 IPs in ASN 2860

Threat Level 5/10 network avg: 5.3 =

Total Reports 1 network avg: 2 -

Network Nos Comunicacoes, S.A. has overall threat level 1/10

Geographic Comparison

Compared against 4,007 IPs in PT

Threat Level 5/10 country avg: 5.8 =

Total Reports 1 country avg: 7 --

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Saturday 1 reports

Evolution of threat level over time based on reported categories and frequency.

Initial Threat 4/10

Current Threat 4/10

Distribution of threat categories reported over time.

Top Threat Categories

Bad Web Bot 1

WP Content Scraping 1

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

Hourly Activity

Peak activity at 11:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

756,541 threat incidents tracked globally • Last 24h: 29,134 Logs

FEED

Top Threat Sources

01

United States US

148,054 19.6%
02

Brazil BR

111,808 14.8%
03

India IN

87,138 11.5%
04

China CN

46,044 6.1%
05

SC SC

29,252 3.9%
06

Germany DE

18,353 2.4%
07

Netherlands NL

17,968 2.4%
08

Pakistan PK

17,792 2.4%
09

Argentina AR

16,265 2.1%
10

Colombia CO

15,169 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

8.5/10 Avg Threat

41% Avg Confidence

19 High Threat

High-risk network: Majority of related IPs are flagged

Moderate 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