IP Intelligence Briefing: 177.37.233.19
*Last Updated: 2026-06-13*
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**1. Core Profile**
- Risk Score: Low (25/100) | Threat Indicators: None detected
- Ownership:
- ISP: BRISANET SERVICOS DE TELECOMUNICACOES S.A. (AS28126)
- Geolocation: Juazeiro do Norte, Ceará, Brazil (Lat: -7.15, Lon: -39.25)
- Network Role: Residential endpoint (no CDN, cloud, or mobile carrier flags)
- Threat Context:
- No known malicious activity, spam, or attacker associations.
- DNSSEC valid, no TLS certificates or open ports detected.
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**2. Observation History**
- Recent Activity:
- 11 observations over 30 days, with 90% residential infrastructure signals.
- One anomaly: A 0.75 confidence threat score (pulse count: 1) linked to "BRISANET" network.
- No persistent malicious behavior or campaign correlations.
- Stability:
- BGP route instability (routeChanges30d: 0, isRouteStable: false).
- Minimal operator risk (0.1304 score).
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**3. Relationships & Neighbors**
- Network Links:
- Subnet: 177.37.128.0/17 (BRISANET ASN: AS28126).
- No direct relationships to hostnames, certificates, or organizations.
- Neighborhood:
- No neighboring IPs in /24 subnet (0 siblings).
- Subnet abuse density: 0% (no malicious activity detected).
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**4. Actionable Insights**
- No Immediate Threat:
- Residential IP with no active threats, spam, or malicious indicators.
- No firewall rules or mitigation actions recommended.
- Monitor for Anomalies:
- Track BGP route stability and verify the 0.75 threat pulse (investigate if linked to BRISANETβs network).
- Ensure DNSSEC validation remains active for this subnet.
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Conclusion: 177.37.233.19 is a low-risk residential IP with no current security concerns. Focus on maintaining network stability and monitoring for unexpected changes in the subnet (177.37.128.0/17).
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ Ownership & Registration
| Organization | BRISANET SERVICOS DE TELECOMUNICACOES S.A |
| ASN | AS28126 |
| Network Name | 159644 |
| CIDR Block | 177.37.128.0/17 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | β |
π DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No β PTR hostname does not resolve back to this IP (weak signal) |
π DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
βοΈ Network Classification
| Infrastructure | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User β Residential ISP endpoint |
π 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 | β |
| HTTP Title | β |
π TLS Certificate
| SANs | None |
| Valid From | β |
| Valid Until | β |
π― Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 12% | 3 | 3 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-06-06 13:35:25 UTC |
| Last Seen | 2026-06-13 13:22:32 UTC |
| Profile Built | 2026-06-13 14:06:48 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 18 |
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