IP Intelligence Briefing: 40.77.167.28
*Generated via IPDebrief Threat Intelligence Platform*
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**1. Core Profile**
- Risk Rating: Low Risk (Risk Score: 25/100)
- Ownership: Microsoft Corporation (ASN 8075)
- Geolocation:
- Country: US (Wisconsin, Madison)
- GeoValidation: Not Plausible (potential discrepancy in location data)
- Network Role: Microsoft Azure CloudCompute infrastructure (firewalled, no public services)
- Threat Indicators: No malicious activity detected (no blacklists, campaigns, or abuse signals)
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**2. Observation History**
- Recent Activity (June 2026):
- Consistent association with Microsoft's network (Bingbot/MSFT infrastructure).
- No anomalous behavior or threat signals observed.
- DNS resolution linked to `msnbot-40-77-167-28.search.msn.com` (legitimate Microsoft bot).
- Stability: Stable network configuration with no recent ownership changes.
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**3. Network Relationships**
- Key Associations:
- DNS: Resolves to Microsoft-owned domain (`msn.com`), with SPF/DKIM email authentication.
- Subnet: Part of `40.77.167.28/24` (Microsoft Azure network).
- Neighbors: 84 IPs in subnet (71 low-risk, 12 medium-risk). No malicious neighbors detected.
- Threat Context: No linked campaigns, honeypot hits, or malicious certificates.
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**4. Neighborhood Analysis**
- Subnet Abuse Density: 0.26 (mixed classification, 18 malicious siblings out of 68 active IPs).
- Neighbor Risks:
- Most IPs are low-risk (Microsoft infrastructure).
- 12 neighbors flagged as medium-risk (potential third-party services or misconfigured hosts).
- Recommendation: Monitor subnet for unexpected changes, but no immediate action required for the target IP.
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**5. Actionable Insights**
- SOC Guidance:
- Allow: Legitimate Microsoft Azure cloud compute traffic (no firewall rules needed).
- Monitor: Subnet for unusual activity, particularly neighbors with medium-risk scores.
- Verify: Investigate geolocation discrepancies if the IP is used for location-sensitive services.
- Threat Context: No indication of compromise or malicious intent.
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Conclusion: 40.77.167.28 is a legitimate Microsoft Azure infrastructure IP associated with Bingbot operations. No threat indicators detected. Focus on subnet-level monitoring for contextual anomalies.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ Ownership & Registration
| Organization | Microsoft Corporation |
| ASN | AS8075 |
| Network Name | β |
| CIDR Block | β |
| RIR | ARIN |
| Country | β |
| Abuse Contact | Available via RDAP |
π DNS Intelligence
| PTR | msnbot-40-77-167-28.search.msn.com |
| Forward Confirmed | Yes β FCrDNS verified |
| Forward Hostnames | msnbot-40-77-167-28.search.msn.com |
π DNS Hygiene
| Hygiene Score | 100% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Present |
βοΈ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting β Infrastructure provider without advanced routing |
π 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 | β |
| HTTP Title | β |
π TLS Certificate
| SANs | None |
| Valid From | β |
| Valid Until | β |
π― Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 31% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 21% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-05-20 11:46:41 UTC |
| Last Seen | 2026-06-28 11:53:01 UTC |
| Profile Built | 2026-06-29 05:57:32 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 26 |
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