171.231.196.169📋 Copy

# IP Intelligence Briefing: 171.231.196.169/32

Classification: Moderate Risk (Score: 65)

Date: Current Analysis

Assigned To: SOC Intelligence Team

---

## Executive Summary

IP address 171.231.196.169 is assigned to Viettel Vietnam (ASN 7552) and geolocates to Da Nang, Vietnam. The IP exhibits a moderate risk profile (65/100) with no active threat indicators or known malicious activity. The address is a residential broadband endpoint with firewalled/no services detected. While listed on 3 DNSBLs, no known attacker campaigns or persistent malicious behavior has been observed.

---

## Ownership and Network Classification

• ASN: 7552 (IRT-VNNIC-AP)
• Organization: VIETTEL-VN (Viettel Vietnam)
• CIDR Block: 171.224.0.0/11
• RIR: APNIC
• Network Name: VIETTEL-VN
• Infrastructure Type: Residential Broadband Access

---

## Geolocation

• Country: Vietnam (VN)
• Region: Da Nang
• City: Da Nang
• Coordinates: 14.06°N, 108.28°E
• Location Accuracy Radius: 600 km
• Geo Source Consensus: True (1 source)
• Plausibility Score: Moderate

---

## Threat Assessment

Risk Indicators

• Overall Risk Score: 65/100 (Moderate)
• Abuse Confidence Score: Not applicable
• Known Campaigns: None detected
• Threat Feeds: No matches
• Blacklist Count: 0 (application-level blacklists)
• DNSBL Listed: 3/8 total lists

Malicious Activity Flags

• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• Persistently Malicious: No
• Threat Observation Count: 0

DNSBL Status

The IP is listed on 3 DNSBL entries across 8 total monitored lists. This suggests some level of reputation concern, though no specific malicious activity has been confirmed.

---

## Network Role and Services

• Open Ports: None detected
• TLS Certificate: Not present
• HTTP Title: Not present
• Server Banner: Not present
• Service Purpose: Firewalled / No Services

The IP exhibits no active services, consistent with a residential broadband connection with default firewall configuration.

---

## DNS Analysis

• PTR Hostname: dynamic-adsl.viettel.vn
• Forward Resolution: Not confirmed
• Domain: viettel.vn
• Hosted Domains: 0
• SPF Record: Present
• DMARC Record: Present

The DNS configuration indicates a dynamic residential broadband IP assignment with proper email authentication records at the domain level.

---

## Neighborhood Analysis

Subnet Overview: 171.231.196.169/24

• Subnet Abuse Density: 13.04% (0.1304)
• Classification: Mostly Clean
• Total Sibling IPs: 23
• Active Siblings: 18
• Threat Siblings: 3

Risk Distribution Among Neighbors

• High Risk: 0 IPs
• Medium Risk: 4 IPs
• Low Risk: 18 IPs

The subnet shows minimal abuse activity with only 3 of 23 siblings flagged as threats. This IP does not exhibit elevated neighborhood risk.

---

## Relationship Graph

• Network Associations: Multiple relationships to VIETTEL-VN network
• DNS Associations: dynamic-adsl.viettel.vn (multiple entries)
• Related Entities: 10 total relationships identified

The IP is primarily associated with Viettel Vietnam network infrastructure and the dynamic-adsl.viettel.vn hostname.

---

## Historical Analysis

Observation Timeline

• Total Observations: 17
• Most Recent: 2026-07-30
• Ownership Changes: 0 (stable assignment)
• Threat Persistence Days: 0
• Signal Stability: High

Trend Analysis

No significant changes in geolocation, DNS, threat indicators, or scan activity observed over the monitoring period. The IP has maintained a consistent residential broadband profile with no escalation in risk factors.

---

## Recommended Actions

Firewall Rules

No specific firewall rules recommended at this time based on current risk profile.

Monitoring Recommendations

1. Monitor for changes in open ports or service activity

2. Watch for DNSBL listing changes

3. Track for any emergence of threat indicators

4. Continue monitoring neighborhood risk trends

Severity: LOW

This IP represents a standard residential broadband endpoint with moderate reputation concerns due to DNSBL listings but no confirmed malicious activity.

---

Briefing Prepared By: IP Intelligence Team

Data Source: IPDebrief Intelligence Platform

Confidence Level: High

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