## IP INTELLIGENCE BRIEFING: 66.175.213.4
Classification: Moderate Risk / Scanning Infrastructure
Risk Score: 55/100
Last Updated: 2026-06-16
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OWNERSHIP & INFRASTRUCTURE
Organization: Linode (ASN 63949)
Network: 66.175.208.0/20
Location: Cedar Knolls, NJ, US
Infrastructure Type: Cloud Compute / Hosting
Status: Active cloud infrastructure with firewalled/no services detected
THREAT INDICATORS
Primary Indicators:
- Reverse DNS: `vilnius.scan.bufferover.run`
- DNS Association: Bufferover vulnerability scanning service
- Blacklist Status: Not listed on major blacklists
- Threat Observation Count: 1
Risk Assessment:
The IP resolves to a Bufferover scanning service hostname, indicating association with automated vulnerability scanning infrastructure. While the IP is not flagged as a known attacker or spam source, the DNS association suggests reconnaissance activity. Risk score of 55 reflects moderate concern due to scanning service affiliation.
NETWORK CONTEXT
Neighborhood Analysis (66.175.213.0/24):
- Subnet Classification: Mostly Clean
- Abuse Density: 0-1 (low threat concentration)
- Threat Siblings: 1
- Total Active Siblings: 1
Relationship Graph:
- 19 relationship entries identified
- Primary associations: LINODE network infrastructure
- DNS associations: Multiple entries pointing to `vilnius.scan.bufferover.run`
OBSERVATION HISTORY
Temporal Analysis:
- Total Observations: 21
- Threat Persistence: Single observation (not persistent)
- Ownership Changes: 0 (stable ownership)
- Recent Activity: Consistent scanning service association
RECOMMENDED ACTIONS
SOC Analyst Guidance:
1. Monitor but do not block: The IP is not actively malicious but represents scanning infrastructure. Allow-list consideration if legitimate vulnerability scanning is required.
2. Correlate DNS activity: Investigate `vilnius.scan.bufferover.run` for broader scanning campaigns.
3. Review egress/ingress: If this IP is observed scanning your infrastructure, it may be part of legitimate security testing or potentially unauthorized reconnaissance.
4. Monitor subnet trends: The 66.175.213.0/24 subnet shows low abuse density. Track for escalation.
Firewall Recommendation: No immediate action required. If scanning activity is detected against your systems, implement rate limiting or geolocation-based restrictions pending further investigation.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ Ownership & Registration
| Organization | Linode |
| ASN | AS63949 |
| Network Name | LINODE |
| CIDR Block | 66.175.208.0/20 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
π DNS Intelligence
| PTR | vilnius.scan.bufferover.run |
| Forward Confirmed | Yes β FCrDNS verified |
| Forward Hostnames | vilnius.scan.bufferover.run |
π DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Not configured |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
βοΈ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 β Basic operator with some routing infrastructure |
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 | 36% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 30% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 19% | 2 | 2 |
| Overall | 24% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-06-02 12:04:34 UTC |
| Last Seen | 2026-06-21 08:53:38 UTC |
| Profile Built | 2026-06-21 09:03:38 UTC |
| Data Freshness | Live |
| Signal Types | 25 |
| Total Observations | 29 |
Full dossier details are available via our API.