4.193.171.159
# IP Intelligence Briefing: 4.193.171.159/32
## Executive Summary
IP address 4.193.171.159 was identified as a Microsoft Azure cloud infrastructure endpoint located in Singapore with a low-risk profile. The IP showed no malicious indicators and presented as a legitimate cloud computing resource.
## Ownership and Classification
The IP address belongs to Microsoft Corporation (ASN 8075, netname MSFT) within the 4.192.0.0/12 CIDR block registered with ARIN. The network infrastructure is classified as Microsoft Azure cloud compute infrastructure. DNSSEC validation is enabled, and the IP is not classified as bogon, residential, proxy, VPN, or hosting infrastructure.
## Risk Assessment
The IP received a risk score of 25, categorized as Low Risk. Provider and authority scores were 0. The IP was not identified as a Tor exit node, known attacker, or spam source. Zero blacklisting records were detected.
## Threat Indicators
No threat indicators were observed. The IP showed no abuse confidence score, no known campaigns, and zero threat feed matches. The IP was not associated with any malicious activity during observation periods.
## Neighborhood Context
The /24 subnet (4.193.171.159/24) was classified as clean with an abuse density of 0. No neighboring IPs were detected, and the subnet showed no inherited risk from adjacent addresses.
## Historical Observations
Analysis of 19 signal observations indicated consistent geolocation placement in Singapore (latitude 1.35, longitude 103.82). Subnet classifications remained clean across all historical data points. Traceroute validation encountered ICMP blocking, preventing distance validation. Campaign likelihood assessment consistently returned "none."
## Services and Ports
Network scanning identified TCP port 3389 (RDP) as open. No TLS certificates, HTTP titles, or server banners were detected. DNS analysis showed no PTR hostnames, no forward resolution, and zero TXT records.
## Control Plane Analysis
The IP operated within Microsoft's BGP prefix 4.192.0.0/12 (origin ASN 8075). Route stability was marked as false, and RPKI state was not validated. The IP appeared on one of eight DNSBL lists.
## Recommended Actions
No security actions or firewall rules were recommended. The IP presented no threat indicators requiring blocking or mitigation.
## Conclusion
IP 4.193.171.159 was a legitimate Microsoft Azure cloud endpoint with no malicious indicators. The low-risk classification and clean neighborhood context support continued monitoring without restrictive countermeasures.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Microsoft Corporation |
| ASN | AS8075 |
| Network Name | MSFT |
| CIDR Block | 4.192.0.0/12 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 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 | AS8075 |
| Network Prefix | 4.192.0.0/12 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 32% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 23% | 2 | 3 |
| reputation | 26% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 22% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-02 04:21:52 UTC |
| Last Seen | 2026-08-24 12:06:05 UTC |
| Profile Built | 2026-08-29 09:50:49 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 23 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 4.193.171.159
Who owns the IP address 4.193.171.159?
4.193.171.159 is registered to Microsoft Corporation. The address falls within the 4.192.0.0/12 network block. Registration is held at ARIN.
Where is 4.193.171.159 located?
Geolocation data places 4.193.171.159 in Singapore, SG, Singapore. The local time zone is Asia/Singapore. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 4.193.171.159 malicious or safe?
4.193.171.159 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.
Is 4.193.171.159 a VPN, proxy, or data center address?
4.193.171.159 is classified as cloud infrastructure and hosting infrastructure based on network ownership and behavioural analysis.