172.236.228.218
IP Intelligence Briefing: 172.236.228.218
Date: 2026-06-08
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**1. Core Profile**
- Risk Score: Moderate (55/100)
- Provider: Linode (ASN 63949)
- Geolocation: Los Angeles, CA, US
- Network Role: Cloud Compute (Hosting, No Public Services)
- Threat Indicators: None detected (no malware, spam, or campaign ties)
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**2. Observation History**
- Latest Scan (2026-06-08):
- Open ports scanned but no services identified (ports: 22, 80, 443, etc.).
- DNS resolution confirmed for `172-236-228-218.ip.linodeusercontent.com`.
- Subnet Abuse Density: 56.25% (high abuse classification).
- Trend: No persistent threats; low confidence in recent signals (0.2–0.7).
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**3. Relationships**
- DNS Associations:
- Linked to `172-236-228-218.ip.linodeusercontent.com` (Linode subdomain).
- Network Context:
- Same subnet as 15 IPs, 9 of which are flagged as high-risk (80+ score).
- Subnet classification: High Abuse (abuse density: 0.56).
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**4. Neighborhood Analysis**
- Subnet: 172.236.228.0/24
- Neighbor Risk Scores:
- 2 IPs at 80+ (elevated risk), 12 at 55 (moderate).
- 3 IPs with unknown risk (null scores).
- Abuse Density: 13.3% (moderate risk across the subnet).
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**5. Actionable Insights**
- Monitor Subnet: The 172.236.228.0/24 subnet has a high abuse density. Investigate neighboring IPs (e.g., 172.236.228.39, 172.236.228.208) for potential compromised hosts.
- Block High-Risk Neighbors: Consider blocking IPs with scores ≥80 if they are not authorized cloud instances.
- Verify Cloud Instance: Confirm if this Linode IP is associated with legitimate cloud workloads. Check for unexpected outbound traffic or service exposure.
- DNS Monitoring: Track DNS resolution for `linodeusercontent.com` to detect anomalous subdomain activity.
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Conclusion: This IP is a Linode cloud instance with no direct threat indicators, but its subnet contains elevated-risk neighbors. SOC teams should prioritize monitoring the subnet for lateral movement or compromised hosts.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Linode |
| ASN | AS63949 |
| Network Name | — |
| CIDR Block | — |
| RIR | ARIN |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 172-236-228-218.ip.linodeusercontent.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 172-236-228-218.ip.linodeusercontent.com |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 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 | 29% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 31% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 24% | 10 | 16 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-18 03:22:02 UTC |
| Last Seen | 2026-06-28 06:02:33 UTC |
| Profile Built | 2026-06-29 00:08:27 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 26 |
Full dossier details are available via our API.