# IP Intelligence Briefing: 40.124.171.82/32
Date: July 31, 2026
Classification: Moderate Risk
Primary Finding: Microsoft Azure cloud infrastructure endpoint with elevated DNS reputation concerns
## Executive Summary
IP 40.124.171.82 is identified as a Microsoft Corporation asset (AS8075) operating within Azure cloud infrastructure in San Antonio, Texas. The address carries a moderate risk score of 50 with no known active threat indicators, though DNS reputation shows 2 DNSBL listings and the IP resolves to stretchoid.com infrastructure. No open services are currently observed on this endpoint.
## Technical Profile
Ownership & Classification
- Organization: Microsoft Corporation
- ASN: AS8075 (MSFT)
- CIDR Block: 40.74.0.0/15
- Network Role: CloudCompute (Microsoft Azure)
- Infrastructure Type: Cloud infrastructure with hosting capabilities
Geolocation
- Country: United States (US)
- Region: Texas
- City: San Antonio
- Accuracy: 2500km radius (geolocation consensus: true)
Network Observations
- Open Ports: None detected (firewalled/no services)
- DNS Resolution: azpdss3bpo51.stretchoid.com
- Forward Resolution: Confirmed
- TLS/HTTP Services: None observed
## Risk Assessment
Overall Risk Score: 50/100 (Moderate Risk)
Risk Breakdown:
- Provider Score: 0
- Authority Score: 0
- Stability Score: 0
- Abuse Confidence Score: Not determined
- Blacklist Count: 2 DNSBL listings
Threat Indicators:
- Known Attacker: False
- Tor Exit Node: False
- Spam Source: False
- Known Campaigns: None identified
- Threat Persistence: 0 days observed
## Historical Analysis
Signal observation history indicates 19 total observations. The most recent activity occurred on July 31, 2026, with signals including:
- Port scanning attempts
- Geolocation validation (ICMP blocked)
- Ownership verification (Microsoft Corporation)
- Multiple DNS resolution events
The IP shows no persistent malicious behavior (threat observation count: 1), with ownership stability maintained.
## Relationship Mapping
The IP maintains DNS associations with azpdss3bpo51.stretchoid.com across multiple relationship types. Network-level relationships confirm association with Microsoft Corporation (MSFT) infrastructure. No certificate-based relationships detected.
## Neighborhood Context
Subnet Analysis: 40.124.171.82/24
- Total Siblings: 1
- Active Siblings: 0
- Threat Siblings: 1
- Abuse Density: Low (0.0)
- Classification: Mostly Clean
- Inherited Risk: 2
The neighborhood exhibits minimal abuse density, suggesting the elevated risk score is primarily self-contained to this specific address.
## Recommended Actions
Given the moderate risk classification and DNSBL listings, the following defensive measures are recommended:
Firewall Rules:
- iptables: `iptables -A INPUT -s 40.124.171.82 -j DROP`
- nftables: `nft add rule inet filter input ip saddr 40.124.171.82 drop`
- nginx: `deny 40.124.171.82;`
- pfSense: `40.124.171.82/32`
Cloud Platform Recommendations:
- Cloudflare WAF: Block with expression `ip.src eq 40.124.171.82`
- AWS WAF: Add to deny list with address `40.124.171.82/32`
Analysis Notes:
The IP addresses no active services but maintains DNS associations with stretchoid.com infrastructure, which may indicate potential proxy or anonymization use cases. The 2 DNSBL listings warrant monitoring. Since this is Microsoft Azure infrastructure, false positives may occur during normal cloud operations; correlation with additional threat intelligence sources is advised before enforcement.
Priority: Monitor
Threat Level: Low-Moderate
Recommendation: Implement blocking rules while maintaining awareness of Microsoft cloud infrastructure operations.
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 | azpdss3bpo51.stretchoid.com |
| Forward Confirmed | Yes β FCrDNS verified |
| Forward Hostnames | azpdss3bpo51.stretchoid.com |
π DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Not configured |
| DMARC | Not configured |
| 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 | 40% | 2 | 5 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 26% | 1 | 3 |
| geolocation | 33% | 2 | 4 |
| Overall | 26% | 10 | 18 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-07-30 17:12:10 UTC |
| Last Seen | 2026-08-13 01:03:15 UTC |
| Profile Built | 2026-08-13 01:21:25 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 25 |
Full dossier details are available via our API.