IP Intelligence Briefing: 186.216.176.21
Date: 2026-06-10
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**1. Core Profile**
- Risk Score: 65 (Moderate Risk)
- Ownership:
- ASN: 262753
- Organization: VOCE TELECOMUNICACOES LTDA
- Geolocation: Macapá, Amapá, Brazil (BR)
- Threat Indicators:
- No malicious indicators, blacklists, or known campaigns.
- DNSSEC valid; no Tor/VPN/proxy detection.
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**2. Network Behavior**
- Classification: Residential endpoint (no cloud, CDN, or hosting).
- Control Plane:
- BGP prefix: `186.216.176.0/23`
- DNSSEC validated; 8 DNSBL listings (2 high-severity).
- Subnet: `186.216.176.0/20` (no active neighbors detected).
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**3. Observation History (30 Days)**
- Residential Consistency: Stable residential classification (confidence: 0.40).
- DNS Listings:
- 2 high-severity DNSBL listings (e.g., Spamhaus, Emerging Threats).
- DNSSEC valid but no email authentication (SPF/DKIM/MX).
- Geolocation Plausibility: Inferred location (latitude -14.24, longitude -51.93) with 2500km accuracy.
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**4. Relationships & Context**
- Network Links:
- Same network (`179663`): 4 entries.
- DNS hostnames: `186.216.176.21.user.vctelecom.com.br` (10 entries).
- No Known Malicious Associations: No subnets, organizations, or certificates linked to threats.
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**5. Recommendations**
- Monitor: Track DNSBL listings and geolocation consistency.
- Investigate: Verify DNS hostname (`user.vctelecom.com.br`) for potential spoofing or misconfiguration.
- No Immediate Action: Low abuse density and no active threats, but residential IPs may require periodic re-evaluation.
SOC Analyst Note: This IP appears benign but should be monitored for unexpected behavior given its DNSBL exposure.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | VOCE TELECOMUNICACOES LTDA |
| ASN | AS262753 |
| Network Name | 179663 |
| CIDR Block | 186.216.176.0/20 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | โ |
๐ DNS Intelligence
| PTR | 186.216.176.21.user.vctelecom.com.br |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 186.216.176.21.user.vctelecom.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 | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User โ Residential ISP endpoint |
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 | 13% | 1 | 1 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 21% | 2 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 13% | 1 | 1 |
| Overall | 12% | 6 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-25 00:40:56 UTC |
| Last Seen | 2026-06-10 19:17:57 UTC |
| Profile Built | 2026-06-10 19:53:03 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 18 |
Full dossier details are available via our API.