IP Intelligence Briefing: 40.77.167.77
*Generated via IPDebrief Analysis*
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**Summary**
Risk Score: Low (25/100)
Ownership: Microsoft Corporation (ASN 8075)
Geolocation: Inferred as Madison, WI (US) with mixed geo-validation accuracy.
Network Role: Microsoft Bingbot infrastructure (CloudCompute, Firewalled).
Threat Indicators: No malicious activity detected; no known campaigns or abuse associations.
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**Key Findings**
1. Ownership & Infrastructure
- Owned by Microsoft Corporation, registered with ARIN.
- Part of Microsoft's Bingbot network, used for search indexing.
- Classified as a cloud compute resource with no CDN/VPN/Proxy indicators.
2. Geolocation & Subnet
- Geolocation signals suggest Madison, WI, but geo-validation has inconsistencies (e.g., Virginia).
- Subnet 40.77.167.77/24 has moderate abuse density (0.28), with 19/68 sibling IPs flagged as threats.
- Active neighbors include low-risk Microsoft-owned IPs, but some medium-risk siblings exist.
3. Threat & Behavior
- No malicious indicators (no spam, Tor, or known attacker associations).
- DNS records link to `msnbot-40-77-167-77.search.msn.com`, consistent with legitimate bot traffic.
- Historical data shows stable risk profile with no significant changes.
4. Network Relationships
- Strong ties to Microsoft's internal network ("MSFT") and DNS infrastructure.
- No external malicious relationships or campaigns correlated.
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**Actionable Insights**
- No Immediate Threat: The IP is part of Microsoft's legitimate infrastructure and shows no malicious activity.
- Monitor Subnet: While the IP itself is low-risk, the subnet contains 19 medium/high-risk neighbors. Investigate if these are linked to compromised hosts.
- Verify Geolocation: Inconsistent geo-validation may indicate spoofing or misconfigured routing. Cross-check with other sources.
- Allowlist Legitimate Traffic: Confirm the IPβs role in search indexing and allowlist it if itβs a known benign bot.
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**Recommended Actions**
- No Firewall Rules Needed: No threat indicators justify blocking this IP.
- Subnet Risk Assessment: Use `ipdebrief_neighbors` to prioritize monitoring high-risk siblings in the 40.77.167.0/24 subnet.
- Continuous Monitoring: Track changes in the subnetβs abuse density or new threats via IPDebriefβs history tool.
End of Briefing
*Generated from IPDebriefβs full profile, history, relationships, and subnet analysis.*
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-40-77-167-77.search.msn.com |
| Forward Confirmed | Yes β FCrDNS verified |
| Forward Hostnames | msnbot-40-77-167-77.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 | 33% | 2 | 3 |
| routing | 8% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 22% | 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 | 2026-05-20 23:40:00 UTC |
| Last Seen | 2026-06-28 12:54:30 UTC |
| Profile Built | 2026-06-29 06:58:42 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 24 |
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