4.145.179.104
An intelligence assessment of 4.145.179.104 identified the address as Low Risk with a risk score of 25. Ownership was attributed to Microsoft Corporation (AS8075) within the 4.144.0.0/12 CIDR block, situated in Singapore. Network analysis confirmed the IP resides on Microsoft Azure infrastructure with a service purpose of Firewalled / No Services. No open ports or active services were observed, and the address was not flagged as a known attacker or spam source.
Threat indicators showed zero blacklist counts, no WAF violations, and zero total incidents. The 4.145.179.104/24 subnet was classified as clean with an abuse density of 0. While the threat actor classification labeled the host as Suspicious due to intent uncertainty, the overall risk assessment remained low. The final recommendation was to Monitor the address with low severity, leveraging its location in a clean neighborhood.
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 | 4.144.0.0/12 |
| 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 | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| 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 | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 19% | 2 | 2 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 27% | 2 | 3 |
| Overall | 20% | 10 | 13 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-12 20:51:06 UTC |
| Last Seen | 2026-09-20 16:28:25 UTC |
| Profile Built | 2026-09-20 16:36:39 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 23 |
Full dossier details are available via our API.