Is IP address 187.73.183.12 dangerous?

Yes, 187.73.183.12 is considered dangerous with a threat level of 10/10. It has been reported 13 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 187.73.183.12?

IP address 187.73.183.12 is operated by IZOC SERVICOS DE INTERNET LTDA (ASN 270516) and is geolocated to BR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 187.73.183.12?

Yes, blocking 187.73.183.12 is strongly recommended. With a threat level of 10/10 and 13 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 187.73.183.12?

Our threat assessment for 187.73.183.12 has a confidence score of 73%, based on 13 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

187.73.183.12

IPv4 Public

AS270516

IZOC SERVICOS DE INTERNET LTDA

13 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

IZOC SERVICOS DE INTERNET... ASN 270516

13 Reports

Mixed Data Source

Extreme Threat

IP 187.73.183.12 classified at threat level 10/10 with 13 documented attacks.

Advanced threat indicators confirmed with 73% certainty.

More threatening than 99% of monitored IPs

Threat Categories

SSH 12

Brute-Force 10

Hacking 2

Exploited Host 1

Technical Details

SSH attacks attempt to gain server access through password guessing or exploitation of SSH vulnerabilities.

Recommended Mitigations

Use key-based authentication, change default ports, implement fail2ban, and disable root login.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over 2 weeks indicates persistent threat actor operations.

First Observed 21. October 2026

Last Activity 6. November 2026

Recent (7 days) 7 incidents

Reputable Network

This IP is hosted on a network (ASN 270516) with generally good reputation. The ISP IZOC SERVICOS DE INTERNET LTDA maintains standard security practices.

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

Security Recommendations

Proactive blocking essential. Significant operational risk detected.

Long-term blocking recommended.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 8/10 High

Confidence Score 73% High Confidence

Confidence History

21. Oct 2026 - 6. Nov 2026

73% Current

Stable Trend

Date	Categories	Source	Confidence
6. Nov 2026 New	SSH Hacking	Honeypot x2	75%
6. Nov 2026 New	Exploited Host	Honeypot	75%
6. Nov 2026 New	Hacking SSH	Honeypot x2	75%
5. Nov 2026 New	SSH Brute-Force	Community	75%
3. Nov 2026	SSH Brute-Force	Community	75%
2. Nov 2026	SSH Brute-Force	Community	75%
31. Oct 2026	SSH Brute-Force	Community	75%
29. Oct 2026	SSH Brute-Force	Community	75%
26. Oct 2026	SSH Brute-Force	Community	75%
24. Oct 2026	SSH Brute-Force	Community	75%
23. Oct 2026	SSH Brute-Force	Community	75%
22. Oct 2026	SSH Brute-Force	Community	75%
21. Oct 2026	SSH Brute-Force	Community	75%

Basic Information

IP Address: 187.73.183.12
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: BR
ASN: AS270516
ISP: IZOC SERVICOS DE INTERNET LTDA

DNS Information

Reverse DNS: 187-73-183-12.izoc.net.br
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 13
First Reported: 26 Oct 2026
Last Reported: 6 Nov 2026, 03:18

Comparative Analysis

How this IP compares to others in our threat intelligence database

99 %

Global Threat Ranking

This IP is more threatening than 99% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 1,327,313 reported IPs worldwide

Threat Level 10/10 avg: 6.0 ++

Total Reports 13 avg: 7 ++

Geographic Comparison

Compared against 261,037 IPs in BR

Threat Level 10/10 country avg: 5.2 ++

Total Reports 13 country avg: 2 ++

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

Peak Day 6 Nov 2026 3 reports

Daily Average 0.4 reports/day

Most Active Friday 4 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

SSH 12

Brute-Force 10

Hacking 2

Exploited Host 1

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

Hourly Activity

Peak activity at 03:00 with 3 reports

Weekly Activity

Geographic Threat Distribution

1,209,901 threat incidents tracked globally • Last 24h: 32,323 Logs

FEED

Top Threat Sources

01

Brazil BR THIS IP

261,039 21.6%
02

United States US

206,938 17.1%
03

India IN

103,510 8.6%
04

China CN

50,984 4.2%
05

Argentina AR

42,406 3.5%
06

SC SC

29,447 2.4%
07

Mexico MX

27,922 2.3%
08

Russia RU

26,989 2.2%
09

Germany DE

24,408 2%
10

Colombia CO

24,268 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

IPs from the same country with similar threat profiles.

15 Related IPs

8.8/10 Avg Threat

99% Avg Confidence

15 High Threat

High-risk network: Majority of related IPs are flagged

ISP Oracle Corporation

IPs with similar threat level and confidence scores.

15 Related IPs

10/10 Avg Threat

73% Avg Confidence

15 High Threat

High-risk network: Majority of related IPs are flagged

Export & Firewall Rules

Download threat data or generate firewall rules to block this IP

JSON Report

Structured data format for integration with security tools and SIEM systems.

{
    "ip_address": "187.73.183.12",
    "threat_level": 10,
    "confidence_score": 73,
    "total_reports": 13,
    "country_code": "BR",
    "isp_name": "IZOC SERVICOS DE INTERNET LTDA",
    "asn": "270516",
    "first_reported": "2026-10-26 14:55:59",
    "last_reported": "2026-11-06 03:18:12",
    "exported_at": "2026-11-06T11:36:36+01:00",
    "source": "https://reportedip.com/ip/187.73.183.12/"
}

Download JSON

Firewall Rules

Ready-to-use blocking rules for common firewall systems.

iptables / netfilter

iptables -A INPUT -s 187.73.183.12 -j DROP
iptables -A OUTPUT -d 187.73.183.12 -j DROP

UFW (Ubuntu)

ufw deny from 187.73.183.12
ufw deny to 187.73.183.12

Windows Firewall

netsh advfirewall firewall add rule name="Block 187.73.183.12" dir=in action=block remoteip=187.73.183.12
netsh advfirewall firewall add rule name="Block 187.73.183.12 Out" dir=out action=block remoteip=187.73.183.12

Cloudflare

# Cloudflare Firewall Rule (IP Access Rules)
# Action: Block
# IP Address: 187.73.183.12

nginx

# Add to server block or location
deny 187.73.183.12;

Apache .htaccess

# Add to .htaccess or Apache config
<RequireAll>
    Require all granted
    Require not ip 187.73.183.12
</RequireAll>

187.73.183.12

Threat Intelligence Analysis

Extreme Threat

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

Reputable Network

Security Recommendations

Reputation Summary

Confidence History

Security Reports (13)

Technical Details

Basic Information

Geolocation

DNS Information

Statistics

Comparative Analysis

Global Threat Ranking

Global Comparison

Geographic Comparison

Activity Trends

Top Threat Categories

Hourly Activity

Weekly Activity

Geographic Threat Distribution

FEED

Top Threat Sources

Related IPs

Export & Firewall Rules

JSON Report

Firewall Rules

iptables / netfilter

UFW (Ubuntu)

Windows Firewall

Cloudflare

nginx

Apache .htaccess

PDF Report

Analyzed high-risk IP addresses