186.207.158.167
## IP Intelligence Briefing: 186.207.158.167/32
Classification: Moderate Risk Residential Mobile Endpoint
Overview:
Target 186.207.158.167 is a Brazilian residential IP address assigned to Claro NXT Telecomunicacoes Ltda (ASN 28573) within the 186.204.0.0/14 block. The endpoint operates as a mobile residential connection (LTE/5G technology via Claro carrier), located in Rio Verde, Goiás, Brazil. Current risk assessment scores 40 on a 0–100 scale, indicating moderate risk with no active threat indicators.
Network Context:
- ASN: 28573 (Claro NXT Telecomunicacoes Ltda)
- Country: Brazil (BR)
- Region: Goiás
- City: Rio Verde
- CIDR Block: 186.204.0.0/14
- Network Role: Residential Endpoint (Mobile)
- Subnet Analysis: /24 neighborhood shows zero abuse density with no sibling IPs flagged for threats
Threat Intelligence:
- DNSBL Status: Listed on 2 of 8 threat intelligence lists
- Known Threat Feeds: No active correlations to known campaigns or attacker IPs
- Reputation Sources: No explicit threat indicators detected
- DNS Records: Single PTR resolution (bacf9ea7.virtua.com.br); forward resolution not confirmed
- Email Auth: No SPF or DMARC records detected
Behavioral Observations:
Signal history indicates 17 observations with recent activity. One observation shows DNSSEC validation as valid. Blacklist monitoring detected 2 listings with high severity among 8 total lists. No persistent malicious behavior observed over observation window.
Recommended Actions:
Given moderate risk classification and DNSBL presence, consider blocking this IP at perimeter devices. Recommended firewall rules available for iptables, nftables, nginx, pfSense, Cloudflare WAF, and AWS WAF.
Summary:
This IP represents a residential mobile endpoint from a legitimate Brazilian ISP with moderate risk indicators primarily from blacklist listings. No evidence of active malicious activity or known campaign participation. Monitoring recommended but immediate blocking may be justified based on DNSBL presence.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Claro NXT Telecomunicacoes Ltda |
| ASN | AS28573 |
| Network Name | 143202 |
| CIDR Block | 186.204.0.0/14 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | bacf9ea7.virtua.com.br |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | bacf9ea7.virtua.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 | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User — Residential ISP endpoint |
🔌 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 | 0% | 0 | 0 |
| routing | 0% | 0 | 0 |
| services | 0% | 0 | 0 |
| ownership | 25% | 1 | 1 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 4% | 1 | 1 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-23 07:48:38 UTC |
| Last Seen | 2026-07-31 19:32:38 UTC |
| Profile Built | 2026-07-29 17:28:26 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 20 |
Full dossier details are available via our API.