191.240.97.9
IP Intelligence Dossier
Your IP: 216.73.216.123
🤖 Witness AIThis summary was generated by AI and may contain inaccuracies. Verify critical details independently.
IP Intelligence Briefing: 191.240.97.9
Date: 2026-06-01
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**1. Core Profile**
- Risk Score: 70 (High Risk)
- Provider: MASTER S/A (AS28202, Brazil)
- Geolocation: Pará de Minas, Minas Gerais, Brazil (Coordinates: -19.82, -44.61)
- Network: 191.240.0.0/17 (LACNIC registry)
- Subnet Abuse Density: 16.67% (mostly clean, but 1 high-risk neighbor)
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**2. Threat Indicators**
- No direct malicious indicators (no blacklists, spam, or known campaigns).
- ICMP validation blocked, preventing definitive geolocation verification.
- DNS Associations: Linked to `191-240-97-9.prs-wr.mastercabo.com.br` (potential internal DNS).
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**3. Network Behavior**
- Firewalled/No Services: No open ports or TLS/http services detected.
- BGP Analysis: Prefix `191.240.96.0/23` (AS28202), route stability: unstable.
- Neighbor Risk: 2 high-risk IPs in the 191.240.97.0/24 subnet (e.g., 191.240.97.203, 191.240.97.251).
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**4. Historical Trends**
- Single observation from June 1, 2026, showing consistent ownership by MASTER S/A.
- No persistent malicious activity detected over the past 30 days.
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**5. Recommendations**
- Monitor Subnet: High-risk neighbors (e.g., 191.240.97.203) may warrant closer scrutiny.
- Validate DNS: Investigate `mastercabo.com.br` for potential internal/external ties.
- Network Segmentation: Ensure firewalled IP (191.240.97.9) is isolated from critical assets.
- Geolocation Verification: Use alternative methods to confirm location due to ICMP blockage.
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Conclusion: This IP is part of a Brazilian network with mixed risk in its subnet. While no direct threats are detected, the presence of high-risk neighbors and incomplete geolocation validation suggests cautious monitoring.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | MASTER S/A |
| ASN | AS28202 |
| Network Name | 213404 |
| CIDR Block | 191.240.0.0/17 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 191-240-97-9.prs-wr.mastercabo.com.br |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 191-240-97-9.prs-wr.mastercabo.com.br |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
No certificate
Issued by —
N/A
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 19% | 2 | 2 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 21% | 2 | 2 |
| reputation | 13% | 1 | 2 |
| geolocation | 19% | 2 | 2 |
| Overall | 16% | 9 | 10 |
Coverage: 6/6 dimensions · Data sufficiency: sufficient
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-14 23:35:39 UTC |
| Last Seen | 2026-06-22 06:39:09 UTC |
| Profile Built | 2026-06-07 10:01:05 UTC |
| Data Freshness | Live |
| Signal Types | 17 |
| Total Observations | 19 |
🔍 17 signal types · 19 observations collected
This report is generated from 17+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
Full dossier details are available via our API.
ℹ️ About This Report
All data shown is publicly available network metadata — IP addresses do not reliably identify individuals.
Assessments are probabilistic and should not be used as sole basis for access control decisions.
To report an issue or request data review, contact admin@ipdebrief.com.