116.99.171.33📋 Copy

# Intelligence Briefing: 116.99.171.33/32

## Executive Summary

IP address 116.99.171.33 is a low-risk Vietnamese residential IP assigned to Viettel-VN infrastructure. The IP demonstrates minimal threat indicators but exhibits geographic inconsistencies and maintains one DNSBL listing. Current risk assessment scores 15/100.

## Infrastructure Profile

Network Assignment:

• ASN: 24086 (IRT-VNNIC-AP / VIETTEL-VN)
• CIDR Block: 116.96.0.0/12
• RIR: APNIC
• PTR Hostname: dynamic-ip-adsl.viettel.vn

Geolocation:

• Current profile indicates US/Chicago with conflicting geoConsensus status
• Historical observations consistently identify Vietnam (VN) with high confidence (0.85-0.95)
• Coordinates: 16.1667°N, 107.8333°E

Service Status:

• No open ports detected
• No TLS certificates or HTTP services
• Classification: Firewalled / No Services
• Not identified as cloud, CDN, VPN, proxy, or hosting infrastructure

## Threat Assessment

Risk Indicators:

• Overall Risk Score: 15 (Low Risk)
• Abuse Confidence Score: Not available
• Blacklist Count: 0 (current), 1 DNSBL listing detected
• Known Attacker Status: False
• Spam Source Status: False
• Tor Exit Node: False
• Campaign Association: None detected

Control Plane:

• Route Stability: False
• DNSSEC Valid: True
• RPKI State: Not available
• Operator Score: 0.1304 (Minimal)

## Neighborhood Analysis

Subnet Context (116.99.171.0/24):

• Total Neighbors: 17
• Abuse Density: 0%
• Risk Distribution: 0 High, 3 Medium, 6 Low

Notable Neighbors:

• 116.99.171.69 (Risk: 25, Authority: 50)
• 116.99.171.109 (Risk: 40, Authority: 50)
• 116.99.171.123 (Risk: 25, Authority: 50)
• 116.99.171.134 (Risk: 35, Authority: 50)
• 116.99.171.254 (Risk: 50, Authority: 50)

## Historical Observations

15 Total Signals Recorded:

• Recent geolocation signals consistently resolve to Vietnam with confidence levels 0.70-0.95
• Organization data confirms IRT-VNNIC-AP assignment
• No persistent malicious activity detected
• Ownership changes: 0
• Threat persistence days: 0

## Relationship Network

Identified Associations:

• Same Network: VIETTEL-VN (2 entries)
• DNS Associations: dynamic-ip-adsl.viettel.vn (2 entries)

## Security Recommendations

Firewall Policy:

• Permit traffic from this IP with standard monitoring
• No immediate blocking required based on current risk profile
• Monitor for service openings or behavioral changes

Detection Rules:

• Alert on first port scan activity
• Monitor for DNSBL listing additions
• Track geographic inconsistency patterns

Threat Hunting:

• Review 116.99.171.0/24 for correlated malicious activity
• Investigate neighbors with risk scores ≥35
• Monitor for any escalation in threat indicators

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*Classification: UNCLASSIFIED | Intelligence Source: IPDebrief Threat Intelligence Platform*

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