35.77.156.228📋 Copy

# IP Intelligence Briefing: 35.77.156.228/32

Date: 2026-06-18

Classification: LOW RISK

Risk Score: 25/100

## Executive Summary

IP address 35.77.156.228 is a legitimate Amazon Web Services (AWS) cloud compute instance located in Tokyo, Japan. No active threat indicators were identified. The IP shows standard cloud infrastructure behavior with no evidence of malicious activity.

## Technical Profile

Ownership & Registration:

• Organization: Amazon Data Services Japan
• ASN: 16509
• RIR: ARIN
• Network: AMAZON-NRT (AWS Tokyo Region)
• Registration Type: Cloud Infrastructure

Geolocation:

• Country: Japan (JP)
• City: Tokyo
• Region: 13
• Coordinates: 35.68°N, 139.69°E
• Timezone: Asia/Tokyo
• GeoValidation: Plausible (ICMP probe blocked)

Network Classification:

• Infrastructure Type: CloudCompute
• Service Purpose: Firewalled / No Services
• Connection Type: Cloud-hosted
• Is CDN: No
• Is Proxy/VPN/Tor: No
• Is Mobile/Residential: No
• DNS Classification: Forward-confirmed reverse DNS

DNS & Hostname Resolution:

• PTR Record: ec2-35-77-156-228.ap-northeast-1.compute.amazonaws.com
• Forward Resolution: Confirmed (amazonaws.com)
• Forward Hostnames: 1 (EC2 compute endpoint)
• Email Auth: SPF present, DMARC present

## Threat Intelligence Assessment

Threat Indicators:

• Threat Indicators: None detected
• Blacklist Count: 0
• Abuse Confidence Score: Not applicable
• Known Campaigns: None
• Is Tor Exit Node: No
• Is Known Attacker: No
• Is Spam Source: No

Control Plane Data:

• BGP Prefix: 35.72.0.0/13
• Route Stability: Unstable
• RPKI State: Not available
• DNSSEC Valid: Yes
• DNSBL Listed: 1 of 8 lists (likely administrative)
• Operator Score: 0.2609 (Basic)
• Threat Observation Count: 1

Network Services:

• Open Ports: None detected
• TLS Certificate: None
• HTTP Title: None
• Server Banner: None

## Neighborhood Analysis

Subnet Overview (35.77.156.228/24):

• Abuse Density: 0 (Low)
• Classification: Mostly Clean
• Total Siblings: 1
• Active Siblings: 0
• Threat Siblings: 1

The /24 subnet shows minimal abuse activity with no active sibling IPs under investigation.

## Observation History

Total Observations: 23 signals

Recent Activity (2026-06-18):

• 07:40:58 JST: Port scanning detected (multiple ports probed)
• 07:06:55 JST: Subnet classification updated (abuse density: 1)
• 07:06:13 JST: Ownership stability confirmed (0 changes)
• 07:01:35 JST: Threat list status checked (no matches)
• 06:53:44 JST: Operator score calculated (0.2609)

Temporal Indicators:

• Ownership Changes: 0
• Threat Persistence Days: 0
• Is Persistently Malicious: No

## Relationship Graph

Total Relationships: 41

• Same Network: AMAZON-NRT (2 entries)
• DNS Association: ec2-35-77-156-228.ap-northeast-1.compute.amazonaws.com (3+ entries)

All relationships map to legitimate AWS infrastructure, with no external threat correlations.

## Recommended Actions

Security Recommendations: None

• Risk score (25) indicates low threat level
• No firewall rules required
• No blocking action recommended

SOC Analyst Guidance:

• Monitor as standard cloud infrastructure
• No immediate threat response required
• Include in baseline cloud traffic monitoring
• No evidence of compromise or malicious use

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*Intelligence generated from IPDebrief threat intelligence platform. Data current as of 2026-06-18.*

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.