113.171.87.233
113.171.87.233 is an IPv4 address operated by Pham Tien Huy (AS45899), geolocated to Vietnam. Its reverse DNS name is static.vnpt.vn. As of November 5, 2026, IPDebrief rates it High Risk (70/100); 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 | Web Server |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | www.draytek.com |
| Valid From | 2026-03-18T16:29:01+00:00 |
| Valid Until | 2027-04-19T16:29:01+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 397 days |
🛡️ Public Network Snapshot
| Origin ASN | AS45899 |
| Network Prefix | 113.171.87.0/24 |
| Route mapping | Found |
| HSTS | Enabled |
| CSP | Enabled |
| HTTP/2 | Not detected |
🎯 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 | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Mixed Signals (68%) — 2 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
⚠ TLS certificate claims TW but primary geo says VN
📅 Observation Timeline 🔄 Live
| First Seen | 2026-11-05 17:51:09 UTC |
| Last Seen | 2026-11-05 17:51:09 UTC |
| Profile Built | 2026-11-05 18:02:10 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 18 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 113.171.87.233
Who owns the IP address 113.171.87.233?
113.171.87.233 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 113.171.87.233 located?
Geolocation data places 113.171.87.233 in 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 113.171.87.233 malicious or safe?
113.171.87.233 currently carries a high risk assessment, meaning indicators associated with malicious or abusive activity have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 113.171.87.233?
The reverse DNS (PTR) record for 113.171.87.233 is static.vnpt.vn. This hostname is not forward-confirmed, so it should be treated as a weak signal.
What ports are open on 113.171.87.233?
Responsive ports observed on 113.171.87.233 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.