104.44.50.21
IP 104.44.50.21 was assigned to Microsoft Corporation (AS8075) within the 104.40.0.0/13 CIDR block. Geolocation data localized the address to Madison, Wisconsin, United States. The profile indicated a Low Risk reputation with a risk score of 0. No threat indicators, known campaigns, or blacklist hits were recorded. Technical scanning revealed no open ports; the service status was reported as Firewalled / No Services. DNS resolution pointed to be1.owr02.atl30.ntwk.msn.net under the msn.net domain. Email authentication records, including SPF and DMARC, were absent. Network connectivity analysis showed 30 traceroute hops with 24 timed-out nodes via Comcast transit. Operational assessment assigned the recommendation to Allow with Info severity due to the absence of significant risk indicators.
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 | 104.40.0.0/13 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | be1.owr02.atl30.ntwk.msn.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | be1.owr02.atl30.ntwk.msn.net |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Present |
☁️ Network Classification
| Infrastructure | Unknown |
| 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 | 33% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 33% | 2 | 4 |
| Overall | 23% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-07 11:31:54 UTC |
| Last Seen | 2026-09-15 03:39:04 UTC |
| Profile Built | 2026-09-15 03:44:46 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 28 |
Full dossier details are available via our API.