Threat Intelligence Briefing: IP 13.75.71.179/32
Summary:
The IP address 13.75.71.179/32 was observed engaging in activities that could potentially pose a cybersecurity risk. The intelligence gathered includes domain associations, historical behaviors, and neighborhood analysis.
Domain Associations:
The IP address was linked to several domains, primarily associated with web hosting services. Notably, traffic patterns indicated interactions with domains involved in online retail and media streaming services. These domains were observed to have intermittent periods of high traffic, suggesting potential misuse for distributing content or adware.
Historical Behavior:
Historical data revealed that this IP address had been previously involved in email spam campaigns. The frequency of such activities has decreased over time, but periodic spikes in email traffic were noted, suggesting that the infrastructure may still be used for sending unsolicited communications.
Neighborhood Analysis:
The IP address is part of a larger network block predominantly used for hosting websites. Neighboring IP addresses within the same subnet exhibited similar patterns of traffic, indicating a shared infrastructure likely utilized by various entities, possibly including legitimate businesses and malicious actors.
Potential Risks:
- Content Distribution: The association with media streaming and retail domains raises the possibility of unauthorized content distribution, which could involve copyright infringement or adware distribution.
- Email Spam: Historical involvement in email spam campaigns suggests potential for future misuse, warranting monitoring for unsolicited email traffic originating from this IP.
- Shared Infrastructure Risks: The shared nature of the hosting environment may pose a risk of collateral damage or reputational harm to legitimate users within the same subnet.
Recommendations for SOC Teams:
1. Monitor Traffic: Implement network monitoring to detect unusual traffic patterns, particularly from associated domains.
2. Email Filtering: Enhance email filtering mechanisms to identify and block potential spam originating from this IP.
3. Domain Reputation Checks: Regularly assess the reputation of linked domains for signs of malicious activity.
4. Incident Response Planning: Prepare for potential incidents involving this IP by updating incident response protocols to address possible threats.
Conclusion:
While the IP address 13.75.71.179/32 is part of a network used for legitimate purposes, its historical and current associations with potentially malicious activities warrant ongoing surveillance and proactive defensive measures.
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 | 27% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 26% | 1 | 3 |
| geolocation | 25% | 2 | 2 |
| Overall | 20% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-15 14:44:54 UTC |
| Last Seen | 2026-06-28 02:17:08 UTC |
| Profile Built | 2026-06-28 20:22:57 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 22 |
Full dossier details are available via our API.