IP Intelligence Briefing: 40.77.167.26/32
Date: 2026-06-12
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**1. Core Profile**
- Risk Score: Moderate (50/100)
- Ownership: Microsoft Corporation (ASN 8075, MSFT)
- Geolocation:
- Country: US (Boston, MA)
- Geo Validation: Inconsistent (plausibility flag unset)
- Network Role: Microsoft Azure CloudCompute (firewalled, no services exposed)
- Threat Indicators: Clean (no malware, spam, or attack signatures detected)
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**2. Observation History**
- Latest Activity: June 12, 2026 (geolocation inferred to Virginia, US; subnet abuse density 0.3182).
- Trend: Stable over 30 days; no persistent malicious behavior.
- DNS Associations:
- Linked to `msnbot-40-77-167-26.search.msn.com` (Microsoft botnet infrastructure).
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**3. Network Relationships**
- Connected Entities:
- Same Network: MSFT ASN (40.74.0.0/15).
- DNS: `msn.com` (SPF/DMArc configured, no email abuse detected).
- Control Plane:
- BGP: Prefix `40.76.0.0/14` (Comcast transit).
- DNSSEC: Valid; CAA records present.
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**4. Subnet Neighborhood**
- Subnet: 40.77.167.26/24
- Abuse Density: 31.82% (mixed risk).
- Neighbor Risk Distribution:
- Low Risk: 80 IPs (avg. score 25).
- Medium Risk: 7 IPs (avg. score 50).
- High Risk: 0 IPs.
- Notable Neighbors:
- `40.77.167.0`, `40.77.167.2`, `40.77.167.3` (low risk, Microsoft infrastructure).
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**5. Threat Context**
- No Direct Threats: No malicious indicators, blacklist entries, or campaign correlations.
- Subnet Caution: Moderate abuse density suggests potential for compromised hosts. Monitor for unexpected DNS changes or port activity.
- Geolocation Discrepancy: Inconsistent geo validation (Boston vs. Virginia). Verify network routing anomalies.
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**6. Recommendations**
- SOC Actions:
- Monitor subnet for unusual DNS resolution or BGP route changes.
- Validate geolocation inconsistencies with network telemetry.
- Ensure Azure security groups restrict access to this IP.
- Firewall Rules:
- Allow traffic only from trusted sources; block unsolicited inbound connections.
- Log and analyze traffic to/from this subnet for anomalies.
Conclusion: This IP is part of Microsoft's legitimate cloud infrastructure. While no direct threats are detected, the subnetβs moderate abuse density warrants ongoing monitoring.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ 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 |
π DNS Intelligence
| PTR | msnbot-40-77-167-26.search.msn.com |
| Forward Confirmed | Yes β FCrDNS verified |
| Forward Hostnames | msnbot-40-77-167-26.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 | Tier 3 β Basic operator with some routing infrastructure |
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 | 27% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 27% | 2 | 3 |
| Overall | 21% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-05-31 05:08:45 UTC |
| Last Seen | 2026-06-29 08:24:08 UTC |
| Profile Built | 2026-06-29 08:34:05 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 22 |
Full dossier details are available via our API.