171.231.189.169
171.231.189.169 is an IPv4 address operated by IRT-VNNIC-AP (AS7552), geolocated to Da Nang, Vietnam. Its reverse DNS name is dynamic-ip-adsl.viettel.vn. As of October 6, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
# IPDEBRIEF INTELLIGENCE BRIEFING
Target IP: 171.231.189.169/32
Classification: Low Risk - Residential ISP Endpoint
Date: Current intelligence cycle
Status: ACTIVE MONITORING
---
## EXECUTIVE SUMMARY
IP 171.231.189.169 is a low-risk residential endpoint assigned to Viettel Corporation's Vietnamese ADSL network. The IP demonstrates no active threat indicators, maintains a stable risk score of 25/100, and shows no evidence of malicious activity in observation history or threat intelligence feeds.
---
## TECHNICAL PROFILE
| Attribute | Value |
|---|---|
| **Risk Score** | 25/100 (Low Risk) |
| **ASN** | 7552 |
| **Organization** | IRT-VNNIC-AP / VIETTEL-VN |
| **Network Block** | 171.224.0.0/11 |
| **Country** | Vietnam (VN) |
| **Region/City** | Da Nang |
| **Timezone** | Asia/Ho_Chi_Minh |
| **Service Purpose** | Firewalled / No Services |
---
## NETWORK CLASSIFICATION
- Infrastructure Type: Residential ISP Endpoint
- CDN/Cloud/Proxy: Not detected
- Tor Exit Node: No
- Known Attacker: No
- Spam Source: No
- Open Ports: None detected
- TLS Certificate: Not observed
---
## NEIGHBORHOOD ANALYSIS
Subnet: 171.231.189.0/24
Classification: mostly_clean
Abuse Density: 7.69% (1 threat sibling identified)
Total Siblings: 13
Active Siblings: 4
Risk Distribution in /24:
- High Risk: 0 IPs
- Medium Risk: 2 IPs
- Low Risk: 10 IPs
Notable Neighbors: 171.231.189.73, 171.231.189.74 (both risk score 40), 171.231.189.45, 171.231.189.104, 171.231.189.157, 171.231.189.247 (all risk score 25-40)
---
## OBSERVATION HISTORY
Total Observations: 21 signal events
Recent Activity (2026-07-28):
- Geographic resolution: 9,358.7 km distance, 246-248ms RTT
- Geolocation validation: Plausible (Vietnam)
- Network classification: Residential ISP
- Abuse density: 0.0769 (consistent)
- No banner captures or service detections
- No certificate matches
Temporal Trends: No escalation patterns detected. Risk profile has remained stable with 0 ownership changes and 0 threat persistence days.
---
## THREAT INTELLIGENCE
Threat Indicators: None
Known Campaigns: None
Blacklist Status: 0 blacklist matches
Threat Feeds: Empty
Campaign Likelihood: None
Control Plane:
- BGP Prefix: 171.231.184.0/21
- Route Stability: Unstable (0 route changes in 30d)
- DNSBL Listed: 1 of 8 total lists
- Operator Score: 0.1304 (Minimal)
---
## DNS RELATIONSHIPS
PTR Hostnames: dynamic-ip-adsl.viettel.vn
DNS Association: Multiple A records to same hostname
Domain: viettel.vn
Forward Resolution: 1 record
---
## RECOMMENDED ACTIONS
Risk-Based Recommendations: None required
Firewall Rules: Not applicable for low-risk endpoint
SOC Analyst Notes:
- This IP represents a normal residential customer endpoint on Viettel's ADSL infrastructure
- No active threat signals warrant blocking or investigation
- Standard monitoring practices apply; no elevated alerting needed
- If this IP appears in logs, treat as legitimate residential traffic
---
## CONFIDENCE ASSESSMENT
Data Confidence: High (21 observations, multiple validation sources)
Geolocation Confidence: High (plausible, RTT-consistent)
Risk Assessment: Low (25/100, no threat indicators)
---
*Generated by IPDebrief Intelligence Platform*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | IRT-VNNIC-AP |
| ASN | AS7552 |
| Network Name | VIETTEL-VN |
| CIDR Block | 171.224.0.0/11 |
| RIR | APNIC |
| Country | VN |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | dynamic-ip-adsl.viettel.vn |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | dynamic-ip-adsl.viettel.vn |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | 2/2 domains |
| DMARC | 2/2 domains |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS7552 |
| Network Prefix | 171.231.184.0/21 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 23% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 17% | 2 | 3 |
| reputation | 8% | 1 | 2 |
| geolocation | 17% | 2 | 3 |
| Overall | 14% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-16 22:51:50 UTC |
| Last Seen | 2026-10-06 03:47:32 UTC |
| Profile Built | 2026-10-06 03:47:55 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 24 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 171.231.189.169
Who owns the IP address 171.231.189.169?
171.231.189.169 is registered to IRT-VNNIC-AP. The address falls within the 171.224.0.0/11 network block. Registration is held at APNIC.
Where is 171.231.189.169 located?
Geolocation data places 171.231.189.169 in Da Nang, Da Nang, Vietnam. The local time zone is Asia/Ho_Chi_Minh. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 171.231.189.169 malicious or safe?
171.231.189.169 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 171.231.189.169?
The reverse DNS (PTR) record for 171.231.189.169 is dynamic-ip-adsl.viettel.vn. This hostname is not forward-confirmed, so it should be treated as a weak signal.