104.44.21.66
The IP address 104.44.21.66/32 was assigned to Microsoft Corporation (AS8075) within the 104.40.0.0/13 block, registered under ARIN. Geolocation data indicated a presence in Boston, Massachusetts. Reputation analysis classified the endpoint as Low Risk with a risk score of 25. No threat indicators were identified; the address was not flagged as a known attacker, spam source, or Tor exit node, and appeared on zero blacklists. Network role classification identified the infrastructure as Cloud Compute and Hosting. Service scanning revealed no open ports, and the service purpose was defined as Firewalled / No Services. DNS reverse resolution linked the IP to ae102-0.icr02.cpt21.ntwk.msn.net. No known campaigns or active threat feeds were associated with the address.
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 | ae102-0.icr02.cpt21.ntwk.msn.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | ae102-0.icr02.cpt21.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 | 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 | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 16% | 4 | 5 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-01 09:18:55 UTC |
| Last Seen | 2026-09-21 07:25:01 UTC |
| Profile Built | 2026-09-22 05:03:52 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 25 |
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