40.77.167.72
IP Intelligence Briefing: 40.77.167.72
Date: June 16, 2026
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**1. Core Profile**
- Risk Score: Low (25/100)
- Provider: Microsoft Corporation (ASN 8075)
- Geolocation: Virginia, US (36.67°N, -78.93°E)
- Network Role: Microsoft Azure cloud infrastructure (firewalled, no open services)
- Threat Indicators: No malicious indicators, spam, or known attacker associations.
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**2. Observation History**
- Recent Activity (June 16):
- Basic risk score with 60% confidence.
- Traceroute failed due to ICMP blocking; geolocation inferred via multi-signal analysis (6553 km from probe, 150 km accuracy radius).
- Subnet abuse density: 31.82% (mixed classification).
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**3. Relationships**
- Network Associations:
- Linked to Microsoft's MSFT ASN (8075).
- DNS hostname: `msnbot-40-77-167-72.search.msn.com` (likely a bot/crawler).
- Subnet: 40.77.167.72/24, with 88 sibling IPs (37 active, 28 flagged as threats).
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**4. Neighborhood Analysis**
- Subnet Abuse Density: 31.82% (moderate risk).
- Key Neighbors:
- 40.77.167.0/24: 25-risk score (potential threat).
- 40.77.167.1/24: 0-risk score (low threat).
- 40.77.167.2/24: 25-risk score (high-risk neighbor).
- Inherited Risk: 12 (moderate).
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**5. Actionable Insights**
- Monitor Subnet: The 40.77.167.72/24 subnet has mixed risk, with 28 active threats. Investigate high-risk neighbors (e.g., 40.77.167.2).
- Verify DNS Activity: The `msnbot` hostname may indicate benign crawling, but verify against known botnets.
- Check for Anomalies: Despite low risk, the IP’s subnet has a 31.82% abuse density. Monitor for unexpected traffic patterns.
- Firewall Rules: No immediate blocking required for this IP, but consider isolating high-risk neighbors.
Conclusion: 40.77.167.72 is a low-risk Microsoft Azure IP, but its subnet contains mixed-risk activity. SOC teams should prioritize monitoring the subnet for anomalies and validate the DNS-hosted bot activity.
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-40-77-167-72.search.msn.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | msnbot-40-77-167-72.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 | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | 32% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 21% | 2 | 2 |
| ownership | 30% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 25% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-06-01 23:54:38 UTC |
| Last Seen | 2026-06-21 08:06:14 UTC |
| Profile Built | 2026-06-21 08:10:34 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 24 |
Full dossier details are available via our API.