171.234.144.51
IP Intelligence Dossier
Your IP: 216.73.216.157
🏢 Ownership & Registration
| Organization | Unknown |
| ASN | — |
| Network Name | — |
| CIDR Block | — |
| RIR | — |
| Country | — |
| Abuse Contact | — |
🌐 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 | 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
No certificate
Issued by —
N/A
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS7552 |
| Network Prefix | 171.234.144.0/21 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-05 12:53:28 UTC |
| Last Seen | 2026-10-05 12:53:28 UTC |
| Profile Built | 2026-10-05 13:00:24 UTC |
| Data Freshness | Live |
| Signal Types | 10 |
| Total Observations | 10 |
🔍 10 signal types · 10 observations collected
This report is generated from 10+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
Full dossier details are available via our API.
❓ Frequently Asked Questions About 171.234.144.51
Where is 171.234.144.51 located?
Geolocation data places 171.234.144.51 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 171.234.144.51 malicious or safe?
171.234.144.51 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 171.234.144.51?
The reverse DNS (PTR) record for 171.234.144.51 is dynamic-ip-adsl.viettel.vn. This hostname is not forward-confirmed, so it should be treated as a weak signal.
ℹ️ About This Report
All data shown is publicly available network metadata — IP addresses do not reliably identify individuals.
Assessments are probabilistic and should not be used as sole basis for access control decisions.
To report an issue or request data review, contact admin@ipdebrief.com.