3.255.100.34
IP Intelligence Briefing: 3.255.100.34
Date: 2026-06-17
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**1. Core Profile**
- Risk Score: Moderate (50/100)
- Provider: Amazon Web Services (AWS)
- Geolocation: Newark, NJ, US (latitude 39.83, longitude -98.58)
- Network Role: Firewalled / No Services (AWS EC2 instance)
- Ownership: Unattributed (no ASN/org data)
- Threat Indicators:
- 2/8 DNSBL listings (low-severity)
- No known attacker/spam/malware associations
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**2. Observation History**
- Latest Activity:
- Country Signal: Confirmed as US (confidence: 35%)
- DNSBL Listings: 2 high-risk lists (out of 8 total)
- BGP Data: Part of AWS ASN 16509 (prefix: 3.248.0.0/13)
- DNS Resolution: Linked to `ec2-3-255-100-34.eu-west-1.compute.amazonaws.com`
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**3. Relationships**
- DNS Association:
- Resolves to AWS EC2 hostname (`ec2-3-255-100-34.eu-west-1.compute.amazonaws.com`).
- BGP Context:
- Part of AWS infrastructure (AS 16509).
- Route stability: Unstable (route changes in last 30 days).
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**4. Neighborhood Analysis**
- Subnet: 3.255.100.34/24 (no active siblings detected).
- Abuse Density: 0% (no risky neighbors in subnet).
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**5. Recommendations**
- Monitor: Track DNSBL listings and BGP route stability.
- Allowlist: Legitimate AWS EC2 instance (no mitigation required).
- Context: No evidence of malicious activity; likely benign cloud infrastructure.
SOC Action: No immediate action required. Continue monitoring for anomalies.
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*Data sourced from IPDebrief threat intelligence platform.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Amazon Data Services Ireland Limited |
| ASN | AS16509 |
| Network Name | AMAZON-DUB |
| CIDR Block | 3.248.0.0/13 |
| RIR | ARIN |
| Country | Ireland |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-3-255-100-34.eu-west-1.compute.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-3-255-100-34.eu-west-1.compute.amazonaws.com |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| 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 | 2 |
| routing | 17% | 1 | 1 |
| services | 17% | 1 | 1 |
| ownership | 35% | 2 | 3 |
| reputation | 17% | 1 | 2 |
| geolocation | 17% | 1 | 1 |
| Overall | 21% | 8 | 10 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-06-16 12:27:07 UTC |
| Last Seen | 2026-06-22 00:27:57 UTC |
| Profile Built | 2026-06-22 00:31:27 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 20 |
Full dossier details are available via our API.