# INTELLIGENCE BRIEFING: 14.191.4.171/32
Classification: Moderate Risk
Date: 2026-07-25
IP Address: 14.191.4.171/32
---
## EXECUTIVE SUMMARY
IP 14.191.4.171 is a Vietnamese infrastructure address operated by VNPT-VN (IRT-VNNIC-AP), assigned to the 14.160.0.0/11 CIDR block. The IP carries a moderate risk score of 40 and is listed on 2 of 8 DNSBLs. No active services, open ports, or known threat indicators were observed. The IP is associated with the hostname static.vnpt.vn and shows no evidence of active malicious campaigns or persistent threat activity.
---
## TECHNICAL PROFILE
Network Ownership & Geolocation
- Organization: VNPT-VN (IRT-VNNIC-AP)
- ASN: 45899
- Country: Vietnam (VN)
- City/Region: Hanoi
- CIDR Block: 14.160.0.0/11
- BGP Prefix: 14.191.0.0/21
- RIR: APNIC
Network Classification
- Provider: Yes (Telecommunications infrastructure)
- Cloud/CDN/Proxy: No
- Tor/VPN: No
- Mobile/Residential: No
- Services: Firewalled / No Services Detected
- Route Stability: False
DNS Analysis
- PTR Record: static.vnpt.vn
- Forward Resolution: Incomplete
- Domain: vnpt.vn
- SPF Record: Present
- DMARC Record: Present
- DNSSEC: Valid
- DNSBL Listings: 2 of 8 lists
---
## THREAT ASSESSMENT
Current Risk Indicators
- Overall Risk Score: 40 (Moderate)
- Abuse Confidence: Not applicable
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
- Blacklist Count: 2
- Threat Feeds: None detected
- Known Campaigns: None
Control Plane Analysis
- Operator Score: 0.1304 (Minimal)
- Route Changes (30d): 0
- Is Route Stable: False
- RPKI State: Not applicable
- IRR Consistency: Not applicable
---
## OBSERVATION HISTORY
Total Observations: 15
Recent observations (July 25, 2026) indicate:
- Geolocation: Vietnam (confidence: 0.52)
- Operator Score: 0.15 (Minimal)
- Ownership Changes: 0
- Threat Persistence: 0 days
- Is Persistently Malicious: False
No evidence of escalating threat behavior or changing ownership patterns observed during the observation window.
---
## RELATIONSHIP GRAPH
Total Relationships: 10
- Network Relationships: 5 instances linked to VNPT-VN
- DNS Associations: 5 instances linked to static.vnpt.vn
No relationships detected to known malicious infrastructure or threat actors.
---
## SUBNET ANALYSIS
Subnet: 14.191.4.171/24
- Neighbor Count: 0
- Abuse Density: 0
- Classification: Not applicable
- Threat Siblings: 0
No neighboring IPs with known malicious activity detected in the immediate subnet.
---
## RECOMMENDED ACTIONS
Firewall Blocking Rules
iptables:
```bash
iptables -A INPUT -s 14.191.4.171 -j DROP
```
nftables:
```bash
nft add rule inet filter input ip saddr 14.191.4.171 drop
```
nginx:
```nginx
deny 14.191.4.171;
```
pfSense:
```
14.191.4.171/32
```
Cloudflare WAF:
```json
{
"description": "Block 14.191.4.171 — IPDebrief risk score 40",
"action": "block",
"filter": {
"expression": "ip.src eq 14.191.4.171"
}
}
```
AWS WAF:
```json
{
"Addresses": ["14.191.4.171/32"],
"Description": "IPDebrief risk 40"
}
```
---
## ANALYST NOTES
The IP address 14.191.4.171 represents standard Vietnamese telecommunications infrastructure from VNPT. The moderate risk score (40) is primarily driven by DNSBL listings rather than active threat indicators. No open services or port scans were detected. The route stability flag being false indicates potential BGP routing changes, but no actual route changes were observed in the last 30 days.
SOC Recommendations:
1. Monitor traffic patterns for this IP as part of routine Vietnamese ISP traffic analysis
2. Current risk level does not warrant immediate blocking unless additional threat indicators emerge
3. Consider implementing rate limiting rather than hard blocking if traffic is observed
4. No immediate threat action required based on current data
---
*Intelligence generated using IPDebrief tools. Data is current as of observation timestamp.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Pham Tien Huy |
| ASN | AS45899 |
| Network Name | VNPT-VN |
| CIDR Block | 14.160.0.0/11 |
| RIR | APNIC |
| Country | VN |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | static.vnpt.vn |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | static.vnpt.vn |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ 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 | AS45899 |
| Network Prefix | 14.191.0.0/21 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 20% | 5 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-09 01:18:37 UTC |
| Last Seen | 2026-08-27 04:14:06 UTC |
| Profile Built | 2026-08-29 06:03:23 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 21 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 14.191.4.171
Who owns the IP address 14.191.4.171?
14.191.4.171 is registered to Pham Tien Huy. The address falls within the 14.160.0.0/11 network block. Registration is held at APNIC.
Where is 14.191.4.171 located?
Geolocation data places 14.191.4.171 in Hanoi, Hanoi, 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 14.191.4.171 malicious or safe?
14.191.4.171 currently carries a moderate risk assessment, meaning some indicators warrant caution, but the evidence is mixed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 14.191.4.171?
The reverse DNS (PTR) record for 14.191.4.171 is static.vnpt.vn. This hostname is not forward-confirmed, so it should be treated as a weak signal.