172.235.36.197
IP Intelligence Briefing: 172.235.36.197
Date: 2026-05-31
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**Key Findings**
1. Ownership & Provider
- ISP: Linode (ASN 63949)
- Geolocation: Registered to Los Angeles, CA, US (arin).
- Network Role: CloudCompute infrastructure (hosting, no public services).
- Subnet: 172.235.36.197/24 (clean, no abuse density).
2. Threat Indicators
- No malicious activity detected: No indicators of spam, attacks, or blacklisted status.
- RTT Anomaly: Traceroute shows RTT of 79ms for a 9,014km distance, which is unusually low and may indicate spoofed geolocation or network optimization.
- DNS Associations: Linked to Linode's CDN (172-235-36-197.ip.linodeusercontent.com).
3. Observation History
- Stability: Low stability score (0) and unstable BGP routes.
- Risk Trends: No observed threats or persistence over time.
4. Network Relationships
- Connected to: Linode’s infrastructure (same ASN, /24 subnet).
- No malicious neighbors: Subnet has 0 threat siblings.
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**Actionable Intelligence**
- Monitor for Anomalies: Track unusual traffic patterns or deviations from baseline behavior due to the RTT discrepancy.
- Verify Geolocation: Investigate the low RTT for potential spoofing or misconfigured routing.
- Cloud Security: Ensure Linode-hosted workloads are secured with proper access controls, as cloud IPs can be exploited as attack vectors.
- No Immediate Mitigation Needed: The IP is clean, but its cloud provider context warrants ongoing monitoring.
Recommended Tools: Use DNS filtering to block malicious subnets, and correlate with Linode’s security logs for deeper visibility.
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Confidence: Moderate risk, no confirmed threats.
Priority: Low (monitor, no immediate action required).
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 | 172-235-36-197.ip.linodeusercontent.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 172-235-36-197.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 | 24% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 18% | 1 | 2 |
| geolocation | 33% | 2 | 3 |
| Overall | 20% | 10 | 14 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-15 20:47:02 UTC |
| Last Seen | 2026-06-28 02:44:58 UTC |
| Profile Built | 2026-06-28 20:49:14 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 25 |
Full dossier details are available via our API.