45.156.129.116📋 Copy

# IP INTELLIGENCE BRIEFING

## Target: 45.156.129.116/32

Classification: Low Risk Infrastructure IP

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EXECUTIVE SUMMARY

IP 45.156.129.116 is a low-risk infrastructure address associated with INAP-CHI-1 network (ASN 211680). The IP resolves to internet-census.org infrastructure with no active services detected. While the IP itself presents low risk, one blacklist listing with high severity was observed in recent monitoring.

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TECHNICAL PROFILE

Network Ownership:

• ASN: 211680
• Organization: Data Operations
• Netname: INAP-CHI-1
• RIR: ARIN
• CIDR Block: 45.156.129.0/24

Geolocation:

• Country: United States (US)
• Region: Massachusetts (MA)
• City: Boston
• *Note: Multiple geolocation signals detected with varying confidence; one signal inferred Kansas coordinates (confidence 0.28)*

DNS Resolution:

• PTR Hostname: sh-chi-us-gp6-wk110b.internet-census.org
• Forward Resolution: Confirmed to internet-census.org
• DNSSEC: Valid
• Domain: internet-census.org

Network Classification:

• Service Status: Firewalled / No Services (no open ports detected)
• Not classified as CDN, VPN, proxy, Tor, or hosting infrastructure
• Anycast: No
• Bogon: No

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THREAT INDICATORS

Risk Assessment:

• Overall Risk Score: 25 (Low Risk)
• Reputation: Low Risk
• Abuse Confidence Score: Not calculated
• Known Campaigns: None detected

Threat Signals:

• Blacklist Status: 1 listing on 8 total DNSBL lists
• Maximum Severity: High (single listing)
• Is Tor Exit: No
• Is Known Attacker: No
• Is Spam Source: No

Control Plane:

• Route Stability: False (route changes observed)
• MoAS: No
• RPKI State: Not determined
• Operator Score: 0
• DNSBL Listed Count: 1 of 8 total lists

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BEHAVIORAL ANALYSIS

Temporal Indicators:

• Ownership Changes: 0
• Threat Persistence Days: 0
• Threat Observation Count: 0
• Persistently Malicious: False

Monitoring History:

• Total Observations: 16 signals
• Most Recent: 2026-07-25
• DNSSEC Validation: Confirmed (signal confidence 0.90)
• Geographic Signals: Multiple US location signals with varying confidence levels

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NEIGHBORHOOD ANALYSIS

Subnet Assessment (45.156.129.0/24):

• Total Neighbors: 65
• Abuse Density: 0
• Risk Distribution:

- High Risk: 0 IPs

- Medium Risk: 23 IPs

- Low Risk: 42 IPs

Notable Neighbor Activity:

• 45.156.129.60: Risk Score 40
• 45.156.129.61: Risk Score 40
• 45.156.129.65: Risk Score 25
• 45.156.129.66: Risk Score 40

The subnet exhibits moderate activity with 35% medium-risk neighbors, though the target IP remains low risk.

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NETWORK RELATIONSHIPS

Identified Relationships:

• Same Network: INAP-CHI-1
• DNS Association: sh-chi-us-gp6-wk110b.internet-census.org
• Network Classification: INAP-CHI-1

Total relationships: 3

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RECOMMENDED ACTIONS

For SOC/Defensive Operations:

1. Monitor: Track the single high-severity blacklist listing; determine source and relevance

2. Allow: Low-risk profile suggests permissive treatment is acceptable for trusted networks

3. No Blocking: Current risk score (25) does not warrant default-block without additional context

4. Subnet Awareness: Monitor 45.156.129.0/24 for medium-risk neighbor activity (23 IPs with risk score 25-40)

Recommended Firewall Treatment:

• Default: Allow with logging
• Exception: Block if high-severity blacklist listing is confirmed malicious
• No immediate threat indicators requiring active blocking

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INTELLIGENCE QUALITY

Data freshness: Recent (2026-07-25 observations)

Signal confidence: Moderate to high across most indicators

Coverage: Comprehensive (profile, history, relationships, neighborhood)

Assessment: IP 45.156.129.116 represents low-risk infrastructure with minimal threat indicators. The single high-severity blacklist listing warrants investigation but does not indicate active malicious activity at this IP.

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*Briefing generated using IPDebrief intelligence platform. Data based on observed signals and reputation feeds.*

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