40.77.167.159
IP Intelligence Briefing: 40.77.167.159
*Generated via IPDebrief Threat Intelligence Platform*
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**Key Findings**
1. Ownership & Geolocation:
- Owned by Microsoft Corporation (ASN 8075).
- Geolocated to Madison, WI, US (via ARIN registration).
- Subnet: 40.77.167.159/24, with 84 neighbors (12 medium-risk, 71 low-risk).
2. Network Role:
- Identified as Bingbot (Microsoft’s search crawler) infrastructure.
- Classified as CloudCompute (firewalled, no open services).
- No malicious indicators (no threats, spam, or abuse reports).
3. Threat Observations:
- No active threats detected (zero malicious indicators).
- DNS Associations: Linked to `msnbot-40-77-167-159.search.msn.com` (Microsoft’s domain).
- Subnet Abuse Density: 0.26 (mixed risk, 12 medium-risk neighbors).
4. Historical Activity:
- Observed on 2026-06-09 with consistent geolocation (Virginia, 150km accuracy).
- No persistent malicious activity or ownership changes.
5. Relationships:
- Strong ties to Microsoft’s network (MSFT subnet).
- DNS records confirm Microsoft’s ownership and service purpose.
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**Actionable Insights**
- No Immediate Risk: The IP is part of Microsoft’s legitimate infrastructure (Bingbot).
- Subnet Monitoring: Watch neighboring IPs (12 medium-risk) for potential abuse.
- Traffic Allowance: Allow traffic to this IP unless targeting Microsoft services specifically.
- False Positive Check: Verify if this IP is a false positive for your specific use case (e.g., internal systems).
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**Recommendations**
- Do Not Block: This IP is benign and critical for Microsoft services.
- Monitor Subnet: Use IPDebrief to track changes in the 40.77.167.159/24 subnet.
- Validate DNS: Confirm DNS records for `msnbot-40-77-167-159.search.msn.com` to ensure no spoofing.
End of Briefing
*Generated on 2026-06-09 | Data sourced from IPDebrief’s full intelligence profile.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Microsoft Corporation |
| ASN | AS8075 |
| Network Name | — |
| CIDR Block | — |
| RIR | ARIN |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | msnbot-40-77-167-159.search.msn.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | msnbot-40-77-167-159.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 | |||
| 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 | 24% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 21% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-20 05:44:46 UTC |
| Last Seen | 2026-06-28 11:14:37 UTC |
| Profile Built | 2026-06-29 05:17:48 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 27 |
Full dossier details are available via our API.