Intelligence Briefing for IP Address: 72.146.1.133/32
Summary:
The IP address 72.146.1.133/32 was observed to have a consistent pattern of activity over the reporting period. Analysis of its traffic revealed connections predominantly related to online services and web traffic. The address is owned by a known hosting provider, which often serves a wide array of clients, including both legitimate businesses and potentially malicious entities.
Observation History:
- The IP address had steady traffic patterns, indicating it was part of a stable network infrastructure.
- Network traffic logs indicated regular outbound connections to cloud services and content delivery networks, suggesting routine data exchanges typical of web-hosted applications.
- Some observed connections included requests to various domain names that are commonly used for web hosting and content management systems.
Relationships:
- The IP address is associated with a hosting service provider known for its large portfolio of managed websites. This provider hosts thousands of domains, which can include both benign and potentially malicious sites.
- The address was observed in communication with several third-party services, including those related to advertising and analytics, which are typical of websites engaging in monetization or user engagement strategies.
Neighborhood Data:
- The subnet containing 72.146.1.133 is designated for a range of hosting services, indicating a mixed-use environment where both legitimate and potentially risky activities can occur.
- Neighbor IP addresses within the same subnet showed similar traffic patterns, with connections to a variety of web services, suggesting a shared infrastructure environment typical of hosting providers.
Threat Intelligence Narrative:
The IP address 72.146.1.133/32 is part of a hosting provider's network, which is known for serving a diverse set of clients. While the observed traffic is largely consistent with legitimate web-hosting activities, the nature of the hosting environment means it could potentially be used for malicious purposes. The consistent pattern of traffic to cloud services and content delivery networks aligns with typical web-hosting activities, but vigilance is advised due to the mixed-use nature of the hosting provider's infrastructure. SOC teams should monitor for any unusual activity or connections that deviate from the observed patterns, as these could indicate attempts to exploit the hosting environment for malicious purposes.
Actionable Recommendations:
- Monitor traffic from and to 72.146.1.133 for any anomalies or deviations from the established pattern.
- Consider implementing additional logging and alerting for connections to known malicious domains if any are detected.
- Regularly review and update threat intelligence sources to stay informed about any emerging risks associated with the hosting provider's infrastructure.
This intelligence briefing provides a comprehensive overview of the observed activity and potential risks associated with IP address 72.146.1.133/32, enabling SOC analysts to make informed decisions about monitoring and response strategies.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Microsoft Corporation |
| ASN | AS8075 |
| Network Name | โ |
| CIDR Block | โ |
| RIR | ARIN |
| Country | โ |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
๐ DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
โ๏ธ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting โ Infrastructure provider without advanced routing |
๐ 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 | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 26% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 30% | 2 | 3 |
| Overall | 21% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-07 23:04:33 UTC |
| Last Seen | 2026-06-27 09:16:39 UTC |
| Profile Built | 2026-06-28 03:23:01 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 24 |
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