40.77.167.61
IP Intelligence Briefing: 40.77.167.61
Date: 2026-06-10
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**1. Core Profile**
- Risk Score: 0 (Low Risk)
- Ownership: Microsoft Corporation (ASN 8075, MSFT netname)
- Geolocation: Virginia, US (36.67°N, -78.93°E)
- Network Role: Microsoft Azure CloudCompute (Firewalled / No Services)
- Threat Indicators: No direct malicious activity detected.
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**2. Observation History**
- Latest Activity: June 10, 2026 (low-risk, no threats).
- Subnet Trends:
- Abuse Density: 0.2794 (moderate risk in /24 subnet).
- Threat Siblings: 19 IPs in subnet show medium/high risk.
- Activity Trends: No persistent malicious behavior observed.
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**3. Network Relationships**
- DNS Associations:
- `msnbot-40-77-167-61.search.msn.com` (Microsoft botnet service).
- Subnet Links:
- Part of `40.77.167.61/24`, shared with Microsoft infrastructure.
- Organizational Ties:
- Directly linked to Microsoft’s MSFT network.
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**4. Subnet Analysis**
- Neighbor Risk Distribution:
- High Risk: 0 IPs
- Medium Risk: 11 IPs
- Low Risk: 76 IPs
- Abuse Density: 0.2794 (moderate risk in subnet).
- Notable Neighbors:
- 19 IPs flagged for potential abuse (e.g., suspicious activity, misconfigurations).
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**5. Recommendations**
- Monitor Subnet: Elevated risk in the /24 subnet warrants closer scrutiny.
- Verify DNS: Confirm `msnbot-40-77-167-61.search.msn.com` is legitimate (Microsoft botnet).
- Isolate Threat Siblings: Investigate high-risk neighbors for potential lateral movement or compromised hosts.
- Maintain Allowlist: Keep the IP as a legitimate Microsoft Azure host but ensure network segmentation.
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Conclusion:
40.77.167.61 is a low-risk Microsoft Azure host with no direct malicious indicators. However, its subnet contains a mix of low and medium-risk IPs, requiring ongoing monitoring to detect potential threats. No immediate action is needed, but SOC teams should remain vigilant about subnet-level risks.
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 | 40.74.0.0/15 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | msnbot-40-77-167-61.search.msn.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | msnbot-40-77-167-61.search.msn.com |
🔐 DNS Hygiene
| Hygiene Score | 100% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| 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 | |||
| 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 | 26% | 2 | 2 |
| routing | 8% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 27% | 2 | 3 |
| reputation | 23% | 1 | 2 |
| geolocation | 26% | 2 | 2 |
| Overall | 20% | 9 | 11 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-25 06:42:15 UTC |
| Last Seen | 2026-06-29 01:22:05 UTC |
| Profile Built | 2026-06-29 07:25:14 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 19 |
Full dossier details are available via our API.