172.234.162.56
IP Intelligence Briefing: 172.234.162.56
Date: 2026-06-08
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**1. Core Profile**
- Risk Score: 40 (Moderate Risk)
- Ownership: Registered to Linode (ASN 63949).
- Geolocation: United States, Paris (Region: Île-de-France).
- Network Role: Hosting provider (Linode infrastructure).
- Threat Indicators: No direct malicious activity detected.
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**2. Observation History**
- Recent Activity (2026-06-08):
- DNS association with `prod51client01.academyforinternetresearch.org`.
- Network classification as "Firewalled / No Services" (no open ports).
- Operator score labeled "Basic" (low confidence in network stability).
- No spam, Tor, or known attacker indicators.
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**3. Relationships**
- Linked Entities:
- Hostname: `prod51client01.academyforinternetresearch.org` (DNS PTR record).
- Network: Linode (same provider).
- Subnet: 172.234.162.0/24 (abuse density: 0.5, classified as "mostly_clean").
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**4. Neighborhood Analysis**
- Subnet: 172.234.162.0/24.
- Neighbors:
- 172.234.162.31: Risk score 25 (low risk).
- Total Siblings: 2 (1 active, 1 flagged).
- Abuse Density: 0.5 (moderate risk in subnet).
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**5. Recommended Actions**
- Firewall Rules (Precautionary):
- Block IP using:
- iptables: `iptables -A INPUT -s 172.234.162.56 -j DROP`
- Cloudflare WAF: Block IP with risk score 40.
- AWS WAF: Add `172.234.162.56/32` to rules.
- Monitoring: Track changes in network behavior or new threat indicators (e.g., open ports, DNS anomalies).
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**6. Summary**
This IP is part of Linode’s hosting infrastructure and is associated with a research organization. While no direct malicious activity is detected, its role as a hosted server and moderate risk score warrant monitoring. The subnet has a low abuse density, but the neighbor with a flagged IP suggests cautious vigilance. Use the recommended firewall rules as a baseline for mitigation.
Next Steps: Investigate DNS associations, validate geolocation anomalies, and monitor for unexpected network changes.
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 | prod51client01.academyforinternetresearch.org |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | prod51client01.academyforinternetresearch.org |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Not configured |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Present |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Single-Service Host |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 22 | ssh | tcp | |
| Closed Ports | 25, 80, 443, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
| SSH Version | SSH-2.0-OpenSSH_8.9p1 Ubuntu-3ubuntu0.15 |
🔐 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 | 33% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 20% | 2 | 3 |
| ownership | 20% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 23% | 10 | 17 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-17 09:09:51 UTC |
| Last Seen | 2026-06-28 04:50:14 UTC |
| Profile Built | 2026-06-28 22:55:37 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 25 |
Full dossier details are available via our API.