191.53.115.49
IP Intelligence Briefing: 191.53.115.49
Date: 2026-06-08
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**1. Core Profile**
- Risk Score: Moderate (55/100)
- Ownership:
- ISP: MASTER S/A (AS28202)
- Country: Brazil (SP, Taubaté)
- Geolocation:
- City: Taubaté, Brazil
- Coordinates: Lat: -23.07, Lon: -45.5
- Threat Indicators:
- No malicious indicators, abuse confidence score null.
- Not listed in DNSBLs or threat feeds.
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**2. Network & DNS**
- Subnet: 191.53.115.0/24
- Neighbors:
- 191.53.115.23 (Risk Score: 40)
- DNS Associations:
- Resolves to `191-53-115-49.bet-wr.mastercabo.com.br` (Mastercabo, Brazil).
- No email auth (SPF/DKIM) or domain hosting detected.
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**3. Historical Observations**
- Recent Activity (30 Days):
- 13 observations, including DNS and routing data.
- No persistent threats or malicious campaigns detected.
- DNSSEC Valid: Yes.
- BGP Stability: Route changes: 0 (stable).
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**4. Relationships**
- Linked Entities:
- Same network (AS28202, MASTER S/A).
- DNS hostname `191-53-115-49.bet-wr.mastercabo.com.br`.
- No connections to known malicious organizations, Tor, or CDN networks.
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**5. Neighborhood Analysis**
- Subnet Abuse Density: 0% (low risk).
- Neighbor Risk:
- 191.53.115.23: Moderate risk (40/100).
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**6. Recommendations**
1. Monitor Subnet: Track 191.53.115.23 for potential risk escalation.
2. DNS Verification: Confirm legitimacy of `mastercabo.com.br` DNS records.
3. Geolocation Context: No anomalies detected in Brazil-based network.
4. No Immediate Action: No active threats, but maintain surveillance due to neighbor risk.
Conclusion: The IP is associated with a Brazilian ISP and shows no direct malicious activity. Focus on subnet stability and DNS legitimacy.
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*Generated by IPDebrief intelligence tools.*
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 | 191-53-115-49.bet-wr.mastercabo.com.br |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 191-53-115-49.bet-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 | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| 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 | 13% | 1 | 1 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 24% | 2 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 13% | 1 | 1 |
| Overall | 13% | 6 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-18 15:26:05 UTC |
| Last Seen | 2026-06-08 14:27:13 UTC |
| Profile Built | 2026-06-08 14:44:48 UTC |
| Data Freshness | Live |
| Signal Types | 17 |
| Total Observations | 22 |
Full dossier details are available via our API.