113.171.21.231
113.171.21.231 is an IPv4 address operated by Pham Tien Huy (AS45899), geolocated to Los Angeles, Vietnam. Its reverse DNS name is static.vnpt.vn. As of September 28, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | Pham Tien Huy |
| ASN | AS45899 |
| Network Name | VNPT-VN |
| CIDR Block | 113.160.0.0/11 |
| 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 | 40% (Fair) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| 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 | 113.171.16.0/20 |
| 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 | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-28 08:13:34 UTC |
| Last Seen | 2026-10-05 00:50:49 UTC |
| Profile Built | 2026-09-28 08:22:14 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 113.171.21.231
Who owns the IP address 113.171.21.231?
113.171.21.231 is registered to Pham Tien Huy. The address falls within the 113.160.0.0/11 network block. Registration is held at APNIC.
Where is 113.171.21.231 located?
Geolocation data places 113.171.21.231 in Los Angeles. 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 113.171.21.231 malicious or safe?
113.171.21.231 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 113.171.21.231?
The reverse DNS (PTR) record for 113.171.21.231 is static.vnpt.vn. This hostname is not forward-confirmed, so it should be treated as a weak signal.