# IP Intelligence Briefing: 18.206.147.181
## Executive Summary
The IP address 18.206.147.181 is identified as an Amazon Web Services EC2 instance with a moderate risk score of 50. No active threat indicators or malicious behavior were detected during the intelligence assessment.
## Infrastructure Profile
Ownership and Classification:
- ASN: 14618 (Amazon Technologies Inc.)
- Netname: AT-88-Z
- CIDR Block: 18.32.0.0/11
- Network Role: Amazon Web Services infrastructure
- DNS Resolution: ec2-18-206-147-147.181.compute-1.amazonaws.com
Geolocation:
- Country: United States (US)
- Region: Virginia (VA)
- City: Ashburn
- Coordinates: 39.04, -77.49
- Timezone: America/New_York
## Threat Assessment
Risk Indicators:
- Overall Risk Score: 50 (Moderate Risk)
- Blacklist Count: 0
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
Control Plane Analysis:
- DNSBL Listed: 2 of 8 lists
- Operator Score: 0.2609 (Basic)
- Route Stability: Unstable (isRouteStable: false)
- DNSSEC Valid: Yes
- ICMP Validation: Unable to validate (ICMP blocked)
Services and Open Ports:
- Open Ports: None detected
- TLS Certificate: None
- HTTP Title: None
- Classification: Firewalled / No Services
## Neighborhood Analysis
- Subnet: 18.206.147.181/24
- Abuse Density: 0 (Clean)
- Threat Siblings: 0
- Active Siblings: 0
The IP exists in a clean subnet with no neighboring IPs showing abuse characteristics.
## Observation History
Recent signal observations (as of 2026-08-05) indicate:
- Multiple port scans detected
- DNS resolution confirmed
- Geographic validation attempted but ICMP blocked
- No persistent malicious activity observed
- Ownership changes: 0
## Intelligence Narrative
The IP address 18.206.147.181 resolves to an Amazon EC2 instance in Ashburn, Virginia. The instance presents no open services and is properly registered within the AWS ecosystem. While the IP shows a moderate risk score, this appears to be baseline scoring for cloud infrastructure rather than active malicious activity. The subnet demonstrates clean abuse density with no sibling threats.
The 2 DNSBL listings suggest historical or passive reputation considerations, but no active threat campaigns or known attacker associations were identified. The control plane shows route instability, which is consistent with dynamic cloud infrastructure allocation.
## Recommended Actions
No blocking is recommended at this time. The IP exhibits standard cloud infrastructure characteristics with no active threat indicators. Monitor for any changes in risk profile or emergence of threat indicators.
Firewall Rules (if blocking required):
- iptables: `iptables -A INPUT -s 18.206.147.181 -j DROP`
- nftables: `nft add rule inet filter input ip saddr 18.206.147.181 drop`
---
*Generated by IPDebrief Intelligence Platform*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ Ownership & Registration
| Organization | Amazon Technologies Inc. |
| ASN | AS14618 |
| Network Name | AT-88-Z |
| CIDR Block | 18.32.0.0/11 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
π DNS Intelligence
| PTR | ec2-18-206-147-181.compute-1.amazonaws.com |
| Forward Confirmed | Yes β FCrDNS verified |
| Forward Hostnames | ec2-18-206-147-181.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 | 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 | 37% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 21% | 2 | 2 |
| ownership | 35% | 2 | 3 |
| reputation | 17% | 1 | 2 |
| geolocation | 32% | 2 | 3 |
| Overall | 26% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-07-29 16:41:35 UTC |
| Last Seen | 2026-08-12 23:43:37 UTC |
| Profile Built | 2026-08-12 23:55:16 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 22 |
Full dossier details are available via our API.