191.53.129.169
IP Intelligence Briefing: 191.53.129.169
*Generated via IPDebrief tools: Profile, History, Relationships, Neighbors*
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**Core Risk Assessment**
- Risk Score: 80 (High Risk)
- Ownership: Owned by MASTER S/A (ASN 28202, Brazil)
- Geolocation: Brazil (Minas Gerais, Montes Claros)
- Network Role: Firewalled / No Services; no public DNS or TLS services detected
- Threat Indicators: No direct malicious activity observed (no blacklists, spam, or known attacker associations)
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**Neighborhood Analysis**
- Subnet: 191.53.129.0/24
- Abuse Density: 44.4% (mixed classification)
- High-Risk Neighbors: 4 IPs (e.g., 191.53.129.10, 191.53.129.162, 191.53.129.193) with risk scores ≥80
- Active Siblings: 2 (out of 10 total in subnet)
- Threat Correlation: 4 neighbors flagged as high-risk, suggesting potential lateral movement or shared infrastructure risks
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**Observation History**
- Recent Activity:
- DNS resolution for `191-53-129-169.pso-wr.mastercabo.com.br` observed (2026-06-06)
- No significant changes in geolocation, DNS, or threat signals over time
- Stability: Route instability detected (BGP route changes in last 30 days)
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**Relationships & Context**
- DNS Associations: Linked to `191-53-129-169.pso-wr.mastercabo.com.br` (PTR record)
- Network Relationships:
- Same network as ASN 28202 (MASTER S/A)
- No direct connections to known malicious networks or organizations
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**Recommendations**
1. Monitor Neighbors: High-risk IPs in the same subnet (e.g., 191.53.129.10, 191.53.129.162) may require closer scrutiny.
2. DNS Monitoring: Track DNS resolution for `191-53-129-169.pso-wr.mastercabo.com.br` for potential lateral movement.
3. Network Segmentation: Consider isolating this subnet due to mixed abuse density and route instability.
4. Threat Intelligence Feeds: Cross-reference with DNSBLs (4 listings) for additional context.
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*Note: No immediate action required for the IP itself, but contextual risks from neighbors and network instability warrant further investigation.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | MASTER S/A |
| ASN | AS28202 |
| Network Name | 227148 |
| CIDR Block | 191.53.0.0/16 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 191-53-129-169.pso-wr.mastercabo.com.br |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 191-53-129-169.pso-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
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 3 |
| routing | 19% | 1 | 2 |
| services | 13% | 1 | 1 |
| ownership | 19% | 2 | 2 |
| reputation | 13% | 1 | 2 |
| geolocation | 23% | 2 | 2 |
| Overall | 20% | 9 | 12 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-12 15:47:30 UTC |
| Last Seen | 2026-06-25 20:09:20 UTC |
| Profile Built | 2026-06-06 13:04:16 UTC |
| Data Freshness | Live |
| Signal Types | 17 |
| Total Observations | 22 |
Full dossier details are available via our API.