IP Intelligence Briefing: 177.130.168.12/32
*Generated via IPDebrief tools: Profile, History, Relationships, and Neighbors Analysis*
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**Core Profile**
- Risk Score: 80 (High Risk)
- Owner: MASTER S/A (AS28202, Brazil)
- Geolocation: Registered to Miami, Florida, US (but DNS resolves to `com.br` domain).
- Network Role: Firewalled / No Services (no open ports, TLS, or HTTP detected).
- Threat Indicators:
- 4 DNSBL listings (out of 8 monitored lists).
- No direct malware, phishing, or exploit indicators.
- BGP prefix `177.130.168.0/23` linked to AS28202.
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**Observation History**
- Recent Activity (June 12, 2026):
- 4 DNSBL flags (e.g., Spamhaus, TOR.exit, etc.).
- DNSSEC-valid zone (`12.168.130.177.in-addr.arpa`).
- No significant changes in risk signals over time.
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**Relationships & Associations**
- Network Links:
- Same network (AS28202) and subnet `194832`.
- DNS PTR hostname: `177-130-168-12.pcs-wr.mastercabo.com.br` (Brazilian domain).
- Hosting/Services:
- No active web services or TLS certificates detected.
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**Neighborhood Analysis**
- Subnet: `177.130.168.0/24` (14 total IPs).
- Risk Distribution:
- 14 neighbors (7 medium-risk, 0 high-risk).
- Abuse density: 0% (no malicious IPs in subnet).
- Notable Neighbors:
- IPs with risk scores of 55โ70 (e.g., 177.130.168.111, 177.130.168.226).
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**Actionable Insights**
1. Risk Context:
- High risk score (80) driven by DNSBL listings, despite no direct threat indicators.
- Geolocation mismatch (US registration vs. Brazilian domain).
2. SOC Recommendations:
- Monitor for unexpected DNS changes or new service activity.
- Block the IP in firewalls (e.g., iptables, AWS WAF) due to high risk profile.
- Investigate the `mastercabo.com.br` domain for potential ties to malicious infrastructure.
3. Subnet Review:
- While neighbors show low abuse density, the IPโs DNSBL flags warrant closer scrutiny.
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*End of Briefing*
*Generated by IPDebrief โ Threat Intelligence for Network Defense*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | MASTER S/A |
| ASN | AS28202 |
| Network Name | 194832 |
| CIDR Block | 177.130.160.0/19 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | โ |
๐ DNS Intelligence
| PTR | 177-130-168-12.pcs-wr.mastercabo.com.br |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 177-130-168-12.pcs-wr.mastercabo.com.br |
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 | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown โ Insufficient routing data to classify |
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 | 0% | 0 | 0 |
| routing | 0% | 0 | 0 |
| services | 0% | 0 | 0 |
| ownership | 19% | 2 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 13% | 1 | 1 |
| Overall | 5% | 3 | 3 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-06-03 12:21:13 UTC |
| Last Seen | 2026-06-22 12:46:19 UTC |
| Profile Built | 2026-06-12 21:18:09 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 22 |
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