189.73.154.153📋 Copy

# IP Intelligence Briefing: 189.73.154.153/32

Classification: LOW RISK / MONITOR

Date: 2026-07-26

Analyst: IPDebrief Intelligence Team

---

## Executive Summary

IP address 189.73.154.153 is assigned to Brazilian telecommunications provider V tal (AS8167). The address is located in Bento Gonçalves, Rio Grande do Sul, Brazil. Current risk assessment indicates LOW RISK with a risk score of 25/100. The IP is currently firewalled with no active services. No malicious indicators were identified in the threat profile.

---

## Technical Profile

---

## Threat Assessment

Current Threat Indicators: None detected

• Known Attacker: No
• Spam Source: No
• Tor Exit Node: No
• Blacklist Count: 0
• Abuse Confidence Score: Not applicable

DNSBL Status: Listed on 1 of 8 DNSBLs (minor concern)

---

## Network Classification

The IP is classified as non-provider infrastructure with the following characteristics:

• Not Cloud/CDN/VPN/Proxy: Confirmed
• Not Hosting/Mobile/Residential: Confirmed
• Not Bogon/Anycast: Confirmed
• Infrastructure Type: Not classified

---

## Service Analysis

Open Ports: None detected

DNS Resolution: No forward resolution available

Hosted Domains: 0

Email Authentication: SPF and DMARC records absent

---

## Neighborhood Analysis

Subnet: 189.73.154.153/24

• Total Siblings: 0
• Active Siblings: 0
• Threat Siblings: 0
• Abuse Density: 0
• Classification: No classification inherited

The /24 subnet shows no associated threat activity or sibling IP concerns.

---

## Historical Observations (Last 14 signals)

Recent observation timeline reveals:

1. 2026-07-26 22:19:41 - Port scan activity (confidence: 0.70)

2. 2026-07-26 22:17:20 - Traceroute attempt (30 hops, did not reach target)

3. 2026-07-26 22:17:00 - Ownership stability check (0 ownership changes)

4. 2026-07-26 22:16:19 - Geolocation inference: BR, Bento Gonçalves region (confidence: 0.52)

5. 2026-07-26 22:14:30 - Operator score: 0.1304 (Minimal)

Temporal Indicators:

• Ownership Changes: 0
• Threat Persistence Days: 0
• Threat Observation Count: 0
• Is Persistently Malicious: No

---

## Control Plane Intelligence

• Origin ASN: 8167
• BGP Prefix: 189.73.144.0/20
• Route Changes (30d): 0
• Is Route Stable: No
• IS-MOAS: No
• Operator Label: Minimal
• Delegation Age: Not available

---

## Recommended Actions

Current Risk Level: LOW

Recommended Firewall Rules:

• No immediate blocking required
• Continue standard monitoring practices
• Log all incoming connection attempts for baseline establishment

SOC Monitoring Priorities:

• Monitor for changes in service status (currently no services)
• Watch for emergence of open ports
• Track any DNS resolution activity
• Monitor for blacklisting additions

---

## Intelligence Conclusions

IP 189.73.154.153 represents a low-risk infrastructure node under Brazilian telecommunications provider V tal. The absence of active services, zero threat indicators, and lack of malicious associations support a low-risk classification. The single DNSBL listing warrants periodic review but does not indicate immediate threat. Standard monitoring procedures are appropriate at this time.

Confidence Level: HIGH (based on 14 recent observations)

Next Review: Routine monitoring cycle

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.