INTELLIGENCE BRIEFING: 216.40.74.143/32
Classification: LOW RISK / CLEAN
Executive Summary
IP 216.40.74.143 is a low-risk infrastructure IP assigned to PureKernel LLC (ASN 213954, PUREKERNEL-HOSTING) within the 216.40.72.0/22 CIDR block. No active threat indicators, malicious campaigns, or behavioral anomalies detected. The IP is currently firewalled with no open services.
Ownership & Geolocation
- Organization: PureKernel LLC
- ASN: 213954
- Network Block: 216.40.72.0/22
- RIR: ARIN
- Country: US
- Abuse Contact: apersotham@purekernel.net (via RDAP)
Threat Assessment
- Overall Risk Score: 0.00 (Low Risk)
- Abuse Confidence Score: Not applicable (no abuse signals)
- Blacklist Status: Clean (0 lists)
- Known Threats: None identified
- Campaign Association: No correlations to known campaigns
- Threat Persistence: 0 days
Network Behavior
- Service Status: Firewalled / No Services
- Open Ports: None detected
- DNS Resolution: No PTR records, no forward resolution, 0 hosted domains
- Email Authentication: No SPF or DMARC records
- Behavioral Indicators: No honeypot hits, no enumeration strikes, no WAF violations
Subnet Context (216.40.74.0/24)
- Abuse Density: 0.00 (Clean)
- Total Siblings: 1
- Active Threat Siblings: 0
- Risk Distribution: No high or medium risk neighbors
- Subnet Classification: Clean
Observation History (15 Observations)
Recent monitoring indicates stable ownership with 0 ownership changes. All observations completed without detection of malicious activity. Geovalidation shows minimal confidence in location assertions (geoPlausible: false), suggesting limited probing data.
Recommended Actions
No immediate defensive actions required. IP shows no indicators of compromise or malicious behavior. Standard monitoring practices recommended. No firewall rules or blocking measures suggested based on current risk profile.
SOC Analyst Notes
This IP represents legitimate hosting infrastructure with clean reputation metrics. The /24 subnet shows no adjacent malicious activity. No threat intelligence indicators warrant investigation or blocking.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ Ownership & Registration
| Organization | PureKernel LLC |
| ASN | AS213954 |
| Network Name | PUREKERNEL-HOSTING |
| CIDR Block | 216.40.72.0/22 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
π DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No β PTR hostname does not resolve back to this IP (weak signal) |
π DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
βοΈ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown β Insufficient routing data to classify |
π 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 | β |
| HTTP Title | β |
π TLS Certificate
| SANs | None |
| Valid From | β |
| Valid Until | β |
π― 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 | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-07-28 16:14:20 UTC |
| Last Seen | 2026-08-02 17:02:24 UTC |
| Profile Built | 2026-07-30 18:14:05 UTC |
| Data Freshness | Live |
| Signal Types | 17 |
| Total Observations | 17 |
Full dossier details are available via our API.