Is IP address 187.121.163.21 dangerous?

187.121.163.21 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 187.121.163.21?

IP address 187.121.163.21 is operated by ZAAZ PROVEDOR DE INTERNET E TELECOMUNICACOES LTDA (ASN 270814) and is geolocated to BR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 187.121.163.21?

Blocking 187.121.163.21 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 187.121.163.21?

Our threat assessment for 187.121.163.21 has a confidence score of 23%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

187.121.163.21

IPv4 Public

AS270814

ZAAZ PROVEDOR DE INTERNET E TELECOMUNICACOES LTDA

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

Brazil Location

ZAAZ PROVEDOR DE INTERNET... ASN 270814

1 Reports

Honeypot Data Source

Cautionary Risk

IP 187.121.163.21 rated 5/10 from 1 security events.

Mixed behavior profile detected. Confidence: 23%.

More threatening than 32% 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.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over less than a day indicates persistent threat actor operations.

First Observed 16. October 2026

Last Activity 16. October 2026

Recent (7 days) 1 incidents

Reputable Network

This IP is hosted on a network (ASN 270814) with generally good reputation. The ISP ZAAZ PROVEDOR DE INTERNET E TELECOMUNICACOES LTDA maintains standard security practices.

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

Security Recommendations

Apply balanced security measures based on risk tolerance.

Long-term blocking recommended.

Reputation Summary

Threat Level 5/10 Medium

Medium

Activity Frequency 0/10 Inactive

Confidence Score 23% Low Confidence

Date	Categories	Source	Confidence
16. Oct 2026	Bad Web Bot WP Content Scraping	Honeypot	75%

Basic Information

IP Address: 187.121.163.21
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: BR
ASN: AS270814
ISP: ZAAZ PROVEDOR DE INTERNET E TELECOMUNICACOES LTDA

DNS Information

Reverse DNS: 187-121-163-21.zaaztelecom.com.br
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 1
First Reported: 17 Oct 2026
Last Reported: 16 Oct 2026, 06:50

Comparative Analysis

How this IP compares to others in our threat intelligence database

32 %

Global Threat Ranking

This IP is more threatening than 32% of all IPs in our database.

Below Average Threat

Global Comparison

Compared against 987,224 reported IPs worldwide

Threat Level 5/10 avg: 6.2 -

Total Reports 1 avg: 8 --

Network Comparison

Compared against 307 IPs in ASN 270814

Threat Level 5/10 network avg: 5.0 =

Total Reports 1 network avg: 1 =

Geographic Comparison

Compared against 151,537 IPs in BR

Threat Level 5/10 country avg: 5.3 =

Total Reports 1 country avg: 2 --

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

Peak Day 16 Oct 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 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 06:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

900,275 threat incidents tracked globally • Last 24h: 219,665 Logs

FEED

Top Threat Sources

01

United States US

178,903 19.9%
02

Brazil BR THIS IP

151,537 16.8%
03

India IN

94,161 10.5%
04

China CN

47,751 5.3%
05

SC SC

29,341 3.3%
06

Argentina AR

23,532 2.6%
07

Germany DE

19,966 2.2%
08

Pakistan PK

19,351 2.1%
09

Netherlands NL

18,795 2.1%
10

Colombia CO

17,978 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

Cautionary Risk

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

Reputable Network

Security Recommendations

Basic Information

Geolocation

DNS Information

Statistics

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