## IP Intelligence Briefing: 191.36.169.76/32
Date: 2026-07-25
Classification: LOW RISK
Analyst: IPDebrief Intelligence Team
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EXECUTIVE SUMMARY
IP address 191.36.169.76 is a customer endpoint from Brazilian ISP Extreme WI (EXTREME WI), ASN 263336. The IP demonstrates no active threat indicators, no open services, and resides in a clean network neighborhood. Risk score: 25/100 (Low Risk). No actionable threat indicators identified.
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OWNERSHIP & NETWORK ATTRIBUTES
- ASN: 263336 (EXTREME WI)
- Network: 224581 / 191.36.168.0/21
- RIR: LACNIC
- Geolocation: Brazil, São Paulo region, Jales (accuracy radius: 2,500km)
- Registration: LACNIC registry member
SERVICE & NETWORK ROLE ANALYSIS
- Network Role: Firewalled / No Services
- Open Ports: None detected
- Infrastructure Type: Customer endpoint (not cloud, CDN, VPN, proxy, hosting, or mobile)
- DNS Resolution: 191-36-169-76.clientes.extremewi.com (forward confirmed)
- Email Authentication: SPF/DMARC not configured
THREAT INDICATORS
- Risk Score: 25 (Low Risk)
- Abuse Confidence Score: Not reported
- Blacklist Count: 0 (dnsbl listed on 1 of 8 total lists)
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
- Threat Feeds: Empty
- Known Campaigns: None identified
- DNSBL Status: Minimal operator score (0.1304)
NETWORK NEIGHBORHOOD ANALYSIS
- Subnet: 191.36.169.76/24
- Abuse Density: 0 (clean)
- Classification: Clean
- Active Siblings: 0
- Threat Siblings: 0
- Neighbor Count: 0
OBSERVATION HISTORY (16 signals on 2026-07-25)
Recent observations show consistent benign behavior:
- Subnet classification: Clean
- No ownership changes
- No persistent malicious activity
- No threat persistence observed
- Confidence scores: 0.21–0.85 (low to moderate)
RELATIONSHIP GRAPH ANALYSIS
- Network Relationships: Multiple associations to network 224581 (same network)
- DNS Associations: Hostname 191-36-169-76.clientes.extremewi.com
- External Threat Links: None identified
SECURITY ACTIONS & RECOMMENDATIONS
No firewall rules or blocking actions recommended. IP demonstrates characteristics of a legitimate residential/customer endpoint.
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INTELLIGENCE ASSESSMENT
IP 191.36.169.76 is classified as a low-risk endpoint. The IP belongs to a Brazilian ISP customer base with no evidence of malicious activity. Network neighborhood shows zero abuse density. The single DNSBL listing represents minimal concern and does not warrant blocking. Continue monitoring as a standard customer IP.
Recommendation: No action required.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | EXTREME WI |
| ASN | AS263336 |
| Network Name | 224581 |
| CIDR Block | 191.36.168.0/21 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 191-36-169-76.clientes.extremewi.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 191-36-169-76.clientes.extremewi.com |
🔐 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 | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS263336 |
| Network Prefix | 191.36.169.0/24 |
| Route mapping | Found |
🎯 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 | 25% | 1 | 1 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 20% | 5 | 5 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-09 07:23:58 UTC |
| Last Seen | 2026-08-27 09:17:16 UTC |
| Profile Built | 2026-08-29 04:50:07 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 191.36.169.76
Who owns the IP address 191.36.169.76?
191.36.169.76 is registered to EXTREME WI. The address falls within the 191.36.168.0/21 network block. Registration is held at LACNIC.
Where is 191.36.169.76 located?
Geolocation data places 191.36.169.76 in Jales, SP, Brazil. The local time zone is America/Sao_Paulo. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 191.36.169.76 malicious or safe?
191.36.169.76 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 191.36.169.76?
The reverse DNS (PTR) record for 191.36.169.76 is 191-36-169-76.clientes.extremewi.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.