171.243.148.53📋 Copy

# IP Intelligence Briefing: 171.243.148.53/32

## Executive Summary

Target IP 171.243.148.53 is a Vietnamese residential broadband address assigned to Viettel Group (ASN 7552) with a moderate risk score of 40/100. The address is firewalled with no active services and no current threat indicators. Historical data indicates periodic scanning activity and DNSBL listings on 2 of 8 threat feeds. The /24 subnet exhibits moderate abuse density with 9 medium-risk siblings.

## Ownership and Geolocation

• Organization: IRT-VNNIC-AP (Viettel Group)
• ASN: 7552
• Country: Vietnam (VN)
• City: Da Nang (14.06°N, 108.28°E)
• CIDR: 171.224.0.0/11
• BGP Prefix: 171.243.148.0/22
• PTR: dynamic-ip-adsl.viettel.vn

## Risk Assessment

• Overall Risk Score: 40 (Moderate)
• Abuse Confidence: Not applicable
• Blacklist Status: Listed on 2 of 8 DNSBLs
• Threat Indicators: None active
• Known Campaigns: None associated
• Tor Exit/Proxy/VPN: No

## Network Behavior

• Service Status: Firewalled / No Services Detected
• Open Ports: None
• TLS/Certificates: None
• Network Role: Residential broadband consumer
• DNS Resolution: Confirmed (forwardConfirmed: false)
• Traceroute: 23 hops, 6 timed out, transit networks include Comcast and Cogent

## Historical Observations (19 Total)

Recent signals show:

• Port scanning activity detected (2026-07-29T10:23:39)
• Geolocation inference consistently resolves to Vietnam (52% confidence)
• 7 threat pulses recorded in AlienVault OTX
• No persistent malicious behavior detected
• No ownership changes observed

## Subnet Neighborhood Analysis (171.243.148.0/24)

• Total Neighbors: 18
• Risk Distribution: 0 High, 9 Medium, 9 Low
• Abuse Density: 0.0
• Notable Siblings:

- 171.243.148.97: Risk 65 (highest in subnet)

- 171.243.148.105: Risk 55

- 171.243.148.70, .69, .88, .101: Risk 40

- Multiple IPs with Risk 15-25 (low-medium)

## Relationship Graph

• 6 total relationships identified
• 3 network relationships to VIETTEL-VN
• 3 DNS hostname associations to dynamic-ip-adsl.viettel.vn

## Recommended Actions

Based on risk profile and observed behavior:

1. Monitor for service activity changes (currently firewalled)

2. Allow traffic by default (no active threats detected)

3. Log all connections for baseline comparison

4. Block only if specific malicious activity is confirmed

5. No immediate firewall rules required for defensive purposes

## Intelligence Assessment

This is a residential broadband IP with moderate risk primarily due to subnet-level activity. The address itself shows no active malicious behavior. The moderate risk score derives from DNSBL listings and neighborhood context rather than direct threat indicators. No immediate blocking action is recommended, but maintain monitoring for service activation or behavioral changes.

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*Report generated: 2026-07-29*

*Data Source: IPDebrief Intelligence Platform*

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