77.54.41.203📋 Copy

# THREAT INTELLIGENCE BRIEFING

Target IP: 77.54.41.203/32

Classification: Moderate Risk | Date: Current Analysis Cycle

## EXECUTIVE SUMMARY

IP 77.54.41.203 is a Vodafone-operated infrastructure address in Porto, Portugal (ASN 12353). Current risk assessment scores 40/100 (Moderate Risk), with evidence of historical blacklist listings and current DNSBL presence. The IP exhibits no active services and shows signs of being firewall-protected.

## OWNERSHIP & GEOLOCATION

• Organization: AS12353-MNT (Vodafone Portugal)
• Network: 77.54.0.0/16 (BGP stable)
• Location: Porto, Portugal (39.4°N, -8.22°W)
• Registrar: RIR RIPE
• DNS: Forward confirmed to 203.41.54.77.rev.vodafone.pt; PTR record resolved

## RISK ASSESSMENT

## NETWORK BEHAVIOR

• Service Status: No open ports detected (Firewalled / No Services)
• Campaign Indicators: None identified
• Threat Persistence: No persistent malicious activity observed
• Control Plane: BGP stable, route changes: 0 in 30 days

## OBSERVATION HISTORY

27 historical observations recorded. Notable findings:

• June 18, 2026: Multiple blacklist listings detected (medium to high severity)
• June 23, 2026: Continued blacklist presence with varying confidence levels
• Service scanning detected in historical records, but no current open ports
• Ownership signals consistent with Vodafone infrastructure

## NEIGHBORHOOD CONTEXT

• Subnet: 77.54.41.203/24
• Abuse Density: 0 (Clean)
• Classification: Mostly Clean
• Active Siblings: 1 threat sibling identified
• Risk Distribution: No high-risk neighbors in immediate subnet

## RELATIONSHIPS

63 relationship entities identified:

• DNS Association: 203.41.54.77.rev.vodafone.pt
• Network Association: PTVDF-172 (Vodafone infrastructure network)
• Multiple same-network relationships with Vodafone routing infrastructure

## RECOMMENDED ACTIONS

Based on risk profile and historical indicators:

1. Monitor: Maintain passive monitoring for outbound connections from this IP

2. Blocklist Consideration: Consider blocking on egress if internal traffic patterns indicate abuse

3. Allowlist Consideration: If this IP is used for legitimate Vodafone services, allowlist with restricted access

4. Firewall Rule: No services detected; existing firewall rules may be sufficient

5. Historical Context: Investigate historical blacklist listings to determine if IP was previously compromised

## INTELLIGENCE CONFIDENCE

High - Multiple data sources confirm Vodafone ownership, consistent geolocation, and stable infrastructure characteristics. Historical blacklist activity provides context for current risk posture.

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*Report generated via IPDebrief intelligence platform. All data sourced from network analysis and threat intelligence feeds.*

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