148.69.191.148📋 Copy

THREAT INTELLIGENCE BRIEFING: 148.69.191.148/32

Executive Summary

IP address 148.69.191.148 is classified as Low Risk (Risk Score: 25) with no active threat indicators. The address is assigned to Portuguese telecommunications infrastructure but exhibits DNS configuration anomalies requiring operational review.

Ownership & Network Context

• ASN: 12353
• Organization: AS12353-MNT, PT-TELECEL-19910411
• CIDR Block: 148.69.0.0/16
• RIR: ARIN
• Geolocation: Portugal (39.4°N, -8.22°W), Europe/Lisbon timezone
• Geolocation Confidence: 52% (2 sources, consensus unresolved)

DNS Analysis

• PTR Record: 148.191.69.148.rev.vodafone.pt
• Forward Resolution: Confirmed to vodafone.pt domain
• Email Authentication: SPF and DMARC records present
• DNSBL Status: Listed on 1 of 8 blacklists (requires operational review)

Network Services

• Open Ports: None detected
• Service Classification: Firewalled / No Services
• Infrastructure Type: Not cloud, CDN, VPN, proxy, or hosting
• HTTP Fingerprint: No HTTP services detected

Threat Indicators

• Known Attacker: No
• Spam Source: No
• Tor Exit Node: No
• Abuse Confidence Score: Not applicable
• Campaign Correlations: None identified
• Cert Matches: 0

Neighborhood Analysis

• Subnet: 148.69.191.148/24
• Abuse Density: 0 (clean classification)
• Risk Distribution: No high/medium/low risk neighbors detected
• Total Siblings: 1
• Threat Siblings: 0

Observation History

• Total Observations: 18 signals recorded
• Most Recent Activity: 2026-07-29
• Threat Persistence Days: 0
• Persistent Malicious Activity: No
• Ownership Changes: 0

Control Plane

• Route Stability: False
• Route Changes (30d): 0
• RPKI State: Not validated
• BGP Prefix: 148.69.0.0/16
• DNSSEC: Valid

Key Findings & Recommendations

1. DNS Configuration Anomaly: PTR record references vodafone.pt while ASN registration shows PT-TELECEL-19910411. Verify intended network ownership.

2. DNSBL Listing: IP appears on 1 of 8 blacklists. Investigate origin of listing if inbound traffic is expected.

3. Low Risk Profile: No active threat indicators, no open services, and clean neighborhood classification support defensive monitoring posture.

4. Geolocation Confidence: 52% confidence with 300km accuracy radius. Consider geolocation uncertainty in incident response contexts.

Recommended Actions

• Monitor for DNSBL listing updates
• Verify PTR record alignment with organizational intent
• Standard defensive monitoring appropriate for low-risk infrastructure
• No immediate blocking required; maintain observation posture

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