27.71.85.172
IP 27.71.85.172 was associated with ASN 7552 (IRT-VNNIC-AP) and the VIETTEL-VN network block (27.64.0.0/12). Geolocation data located the endpoint in Ho Chi Minh City, Vietnam. The reputation assessment returned a Moderate Risk score of 55. Network role analysis indicated the IP was firewalled with no open ports or active services. DNS queries resolved to "localhost," with no hosted domains or email authentication records present. Control plane evidence showed the address was listed on three DNS blacklists. Route stability was reported as false, while DNSSEC validation remained valid.
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 | 27.64.0.0/12 |
| RIR | APNIC |
| Country | VN |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | localhost |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | localhost |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| 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 | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS7552 |
| Network Prefix | 27.71.85.0/24 |
| 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 07:24:20 UTC |
| Last Seen | 2026-08-28 21:02:45 UTC |
| Profile Built | 2026-08-28 22:06:56 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 27.71.85.172
Who owns the IP address 27.71.85.172?
27.71.85.172 is registered to IRT-VNNIC-AP. The address falls within the 27.64.0.0/12 network block. Registration is held at APNIC.
Where is 27.71.85.172 located?
Geolocation data places 27.71.85.172 in Ho Chi Minh City, Ho Chi Minh, 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 27.71.85.172 malicious or safe?
27.71.85.172 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 27.71.85.172?
The reverse DNS (PTR) record for 27.71.85.172 is localhost. This hostname is not forward-confirmed, so it should be treated as a weak signal.