Is IP address 187.8.120.90 dangerous?

Yes, 187.8.120.90 is considered dangerous with a threat level of 7/10. It has been reported 10 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 187.8.120.90?

IP address 187.8.120.90 is operated by TELEFONICA BRASIL S.A (ASN 10429) and is geolocated to BR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 187.8.120.90?

Yes, blocking 187.8.120.90 is strongly recommended. With a threat level of 7/10 and 10 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 187.8.120.90?

Our threat assessment for 187.8.120.90 has a confidence score of 66%, based on 10 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

187.8.120.90

IPv4 Public

AS10429

TELEFONICA BRASIL S.A

10 Reports

Brazil Location

TELEFONICA BRASIL S.A ASN 10429

10 Reports

Mixed Data Source

Significant Threat

IP 187.8.120.90 identified as significant threat (7/10) from 10 events.

Multiple malicious indicators detected. Confidence level: 66%.

More threatening than 82% of monitored IPs

Threat Categories

Brute-Force 9

Email Spam 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.

Moderate Network Risk

The network hosting this IP (ASN 10429, operated by TELEFONICA BRASIL S.A) shows moderate threat indicators. Some concerning activity has been detected from neighboring addresses.

Consider the network context when assessing this individual IP.

Security Recommendations

Implement rate limiting or temporary blocking measures.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 7/10 High

High

Activity Frequency 5/10 Moderate

Confidence Score 30% Medium Confidence

Confidence History

11. May 2026 - 29. May 2026

66% Current

Stable Trend

Date	Categories	Source	Confidence
29. May 2026	Brute-Force	Community	75%
28. May 2026	Brute-Force	Community	75%
27. May 2026	Brute-Force	Community	75%
25. May 2026	Brute-Force	Community	75%
25. May 2026	Brute-Force	Community	75%
24. May 2026	Brute-Force	Community	75%
16. May 2026	Brute-Force	Community	75%
16. May 2026	Brute-Force	Community	75%
13. May 2026	Brute-Force	Honeypot	75%
11. May 2026	Email Spam	Honeypot	75%

Basic Information

IP Address: 187.8.120.90
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: BR
ASN: AS10429
ISP: TELEFONICA BRASIL S.A

DNS Information

Reverse DNS: 187-8-120-90.customer.tdatabrasil.net.br
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 10
First Reported: 11 May 2026
Last Reported: 29 May 2026, 02:24

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: AS10429

Organization: TELEFONICA BRASIL S.A

Country:

Network Threat Assessment

5/10

This network has low threat indicators with minimal suspicious activity.

Network Statistics

Total IPs Monitored

513

Total Reports

7.4

Reports per IP

Network Context

This IP address belongs to TELEFONICA BRASIL S.A (AS10429), which manages 69 IP addresses in our monitoring system. Out of these, 513 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

82 %

Global Threat Ranking

This IP is more threatening than 82% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 488,257 reported IPs worldwide

Threat Level 7/10 avg: 5.9 +

Total Reports 10 avg: 13 -

Network Comparison

Compared against 114 IPs in ASN 10429

Threat Level 7/10 network avg: 6.0 +

Total Reports 10 network avg: 6 ++

Network TELEFONICA BRASIL S.A has overall threat level 5/10

Geographic Comparison

Compared against 63,104 IPs in BR

Threat Level 7/10 country avg: 5.3 +

Total Reports 10 country avg: 3 ++

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Monday 3 reports

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

Initial Threat 3/10

Current Threat 5/10

Distribution of threat categories reported over time.

Top Threat Categories

Brute-Force 9

Email Spam 1

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

Hourly Activity

Peak activity at 18:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

448,688 threat incidents tracked globally • Last 24h: 111,520 Logs

FEED

Top Threat Sources

01

United States US

103,409 23%
02

Brazil BR THIS IP

62,346 13.9%
03

India IN

57,665 12.9%
04

China CN

39,037 8.7%
05

Germany DE

12,073 2.7%
06

Pakistan PK

10,064 2.2%
07

Indonesia ID

9,456 2.1%
08

Singapore SG

9,205 2.1%
09

Russia RU

8,618 1.9%
10

Colombia CO

8,017 1.8%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

8/10 Avg Threat

74% Avg Confidence

19 High Threat

High-risk network: Majority of related IPs are flagged

Significant Threat

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

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PDF Report

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