171.244.142.4
171.244.142.4 is an IPv4 address announced by AS7552, with approximate network location Chicago, Vietnam. Its reverse DNS name is 4.0-24.142.244.171.in-addr.arpa. As of November 11, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | IRT-VNNIC-AP |
| ASN | AS7552 |
| Network Name | VIETTEL-VN |
| CIDR Block | 171.224.0.0/11 |
| RIR | APNIC |
| Network registration country | VN |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 4.0-24.142.244.171.in-addr.arpa |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 4.0-24.142.244.171.in-addr.arpa |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| spf | Not checked |
| dmarc | Not checked |
| fcrDns | Not checked |
| dnssec | Not checked |
| caa | Not checked |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Single-Service Host |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 3389 | rdp | tcp | — |
| Closed Ports | 22, 25, 80, 443, 8080, 8443 (1 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS7552 |
| Network Prefix | 171.244.136.0/21 |
| 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 🔄 Stale
| First Seen | 2026-07-02 04:21:10 UTC |
| Last Seen | 2026-10-06 08:43:25 UTC |
| Profile Built | 2026-11-11 20:36:03 UTC |
| Data Freshness | Stale |
| Signal Types | 20 |
| Total Observations | 22 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 171.244.142.4
Who owns the IP address 171.244.142.4?
171.244.142.4 is registered to IRT-VNNIC-AP. The address falls within the 171.224.0.0/11 network block. Registration is held at APNIC.
Where is 171.244.142.4 located?
Geolocation data places 171.244.142.4 in Chicago. The local time zone is Asia/Ho_Chi_Minh. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 171.244.142.4 malicious or safe?
171.244.142.4 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 171.244.142.4?
The reverse DNS (PTR) record for 171.244.142.4 is 4.0-24.142.244.171.in-addr.arpa. This hostname is not forward-confirmed, so it should be treated as a weak signal.
What ports are open on 171.244.142.4?
Responsive ports observed on 171.244.142.4 include 3389. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.