IP Intelligence Briefing: 161.178.3.105
*Generated via IPDebrief tools: Profile, History, Relationships, & Neighbors*
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**1. Core Profile**
- Risk Score: Moderate (50/100)
- Ownership:
- Provider: Amazon Data Services (AS14618)
- Network: AMAZON-IAD (CIDR: 161.178.0.0/18)
- Geolocation: US (Illinois, VA), with 2500km accuracy radius.
- Threat Indicators:
- No malicious indicators, spam, or known attacker associations.
- Listed in 2 DNSBLs (confidence: 0.85), but no confirmed abuse.
- Network Role:
- AWS infrastructure (CloudCompute, Hosting).
- No residential, mobile, or Tor associations.
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**2. Observation History**
- First Recorded: 2026-06-01 (subnet classification: "mostly_clean", abuse density 1).
- Latest Data (2026-06-11):
- Confirmed as Amazon AWS EC2 instance.
- DNS resolution to `ec2-161-178-3-105.compute-1.amazonaws.com`.
- No recent threats or abnormal activity detected.
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**3. Relationships**
- DNS Associations:
- Resolves to `ec2-161-178-3-105.compute-1.amazonaws.com` (AWS EC2).
- Network Affiliations:
- Linked to Amazon's "AMAZON-IAD" network (AS14618).
- Email Security:
- SPF and DMARC records present, but no email authentication data.
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**4. Neighborhood Analysis**
- Subnet: 161.178.3.105/24.
- Neighbor Data:
- No active or threat-linked sibling IPs in the subnet.
- Subnet classified as "mostly_clean" with low abuse density.
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**5. Recommendations**
- Monitor: Track DNSBL listings for potential spoofing or misuse.
- Verify: Confirm AWS infrastructure legitimacy via AWS console or ARIN records.
- Baseline: Use historical data to detect anomalies in traffic patterns.
- Firewall: Consider allowing traffic to AWS services but block unsolicited connections to this IP.
Note: This IP is part of Amazon's infrastructure, but its moderate risk score reflects potential spoofing or misconfigured services. SOC teams should prioritize verifying its legitimacy and monitoring for unexpected behavior.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ Ownership & Registration
| Organization | Amazon Data Services Northern Virginia |
| ASN | AS14618 |
| Network Name | AMAZON-IAD |
| CIDR Block | 161.178.0.0/18 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
π DNS Intelligence
| PTR | ec2-161-178-3-105.compute-1.amazonaws.com |
| Forward Confirmed | Yes β FCrDNS verified |
| Forward Hostnames | ec2-161-178-3-105.compute-1.amazonaws.com |
π DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
βοΈ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting β Infrastructure provider without advanced routing |
π Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| 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 | 27% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 27% | 2 | 3 |
| reputation | 22% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 21% | 9 | 14 |
| Data Coherence | Mostly Consistent (80%) β 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-05-26 18:56:59 UTC |
| Last Seen | 2026-06-29 03:15:33 UTC |
| Profile Built | 2026-06-29 03:19:28 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 22 |
Full dossier details are available via our API.