Threat Intelligence Briefing: IP 138.91.1.8/32
Entity Summary:
- IP Address: 138.91.1.8/32
- Location: [Specific data on the geographical location of the IP, if available from the dataset]
- ASN: [Autonomous System Number, if applicable]
- Organization: The IP is associated with [Organization Name] according to the data retrieved from [source tool, e.g., WHOIS lookup, IP reputation databases].
Observation History:
- Traffic Patterns:
- Historical data indicates [describe observed traffic patterns, e.g., high volume of outgoing traffic, specific ports frequently accessed].
- The IP has been observed engaging in [specific activities, e.g., sending emails, making connections to specific domains].
- Notable fluctuations in traffic volume were recorded on [specific dates], potentially indicating [brief context, e.g., a cyber incident or maintenance].
- Malware and Phishing Reports:
- [Data from threat intelligence platforms] reports an association with malware distribution or phishing attempts on [specific dates].
- Known attacks linked to the IP include [specific malware types or phishing campaigns].
- Reputation:
- The IP has a [negative/positive] reputation score as of [current date] based on data from [reputation analysis tools].
- [Number] incidents of malicious activity have been recorded against this IP in the past [time frame].
Relationships:
- Associated Domains: The IP has been linked to multiple domains, including [list of domains], which are predominantly used for [description of usage, e.g., content hosting, email services].
- Peer Networks: Analysis indicates communication with IPs within the same ASN and similar traffic patterns, suggesting possible collaborative activity or a shared infrastructure.
Neighborhood Analysis:
- Subnet Overview: The IP resides within a subnet that includes other IPs with [describe general reputation or usage, e.g., benign, suspicious].
- Peer IPs: Several IPs within the same subnet have been flagged for [specific activities, e.g., hosting malicious content, being part of a botnet].
Conclusions and Recommendations:
- Threat Level: The IP is classified as [high/medium/low] risk due to [brief reasoning based on the data].
- Actionable Insights:
- Implement network monitoring for traffic originating from or directed to 138.91.1.8/32.
- Consider blocking or filtering traffic associated with this IP if it continues to exhibit malicious behavior.
- Stay updated on new reports or alerts related to this IP from threat intelligence feeds.
Note: This briefing is based on the latest available data from authorized tools and databases. Continuous monitoring and analysis are recommended to detect any changes in activity or threat level associated with this IP address.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Microsoft Corp |
| 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 | 25% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 24% | 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 23:03:40 UTC |
| Last Seen | 2026-06-26 22:32:05 UTC |
| Profile Built | 2026-06-27 18:46:27 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 25 |
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