181.42.198.245📋 Copy

# INTELLIGENCE BRIEFING: 181.42.198.245/32

Classification: Residential Endpoint

Risk Assessment: Moderate Risk (Score: 40)

Generated: Based on IPDebrief intelligence platform

## EXECUTIVE SUMMARY

IP address 181.42.198.245 is a residential endpoint associated with Chilean telecommunications provider Entel PCS Telecomunicaciones S.A. (ASN 27651). The IP maintains a moderate risk profile with no active threat indicators detected. No malicious campaigns, known attacker signatures, or spam source classifications have been observed. The IP resolves to a residential hostname within the Entel mobile infrastructure.

## NETWORK OWNERSHIP & GEOLOCATION

• Organization: Entel PCS Telecomunicaciones S.A.
• ASN: 27651
• CIDR Block: 181.42.0.0/16
• Country: Chile (CL)
• Region: Santiago Metropolitan
• City: Santiago
• RIR: LACNIC
• Infrastructure Type: Residential Endpoint
• DNS PTR Record: client-181-42-198-245.imovil.entelpcs.cl

## THREAT ASSESSMENT

• Overall Risk Score: 40/100 (Moderate Risk)
• Blacklist Status: Clean (0 blacklists)
• DNSBL Listings: 2 of 8 total lists
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• Abuse Confidence Score: Not available
• Threat Feeds: No active indicators
• Known Campaigns: None detected

## NETWORK CHARACTERISTICS

• Route Stability: Unstable (route changes observed)
• BGP Prefix: 181.42.192.0/20
• Origin ASN: 27651
• Operator Score: 0.1304 (Minimal operator reputation)
• Open Ports: None detected
• TLS Certificate: None
• HTTP Services: None detected
• Infrastructure Flags: Not cloud, CDN, VPN, proxy, hosting, mobile, or anycast

## OBSERVATION HISTORY

Fifteen observation signals recorded, with the most recent activity on 2026-07-22. Historical analysis shows consistent residential classification and Chilean geolocation attribution with confidence levels ranging from 0.40 to 0.95. No escalation in threat indicators or malicious behavior detected over the observation period. The IP has demonstrated persistent benign network behavior.

## RELATIONSHIP ANALYSIS

The IP maintains two primary relationship associations:

1. Network Association: Same subnet (181.42.0.0/16)

2. DNS Association: client-181-42-198-245.imovil.entelpcs.cl (Entel mobile infrastructure)

No organizational, certificate, or cross-network relationships detected.

## NEIGHBORHOOD ANALYSIS

• Subnet: 181.42.198.245/24
• Abuse Density: 0 (Clean classification)
• Threat Siblings: 0
• Active Siblings: 0
• Risk Distribution: No high or medium risk neighbors detected

## RECOMMENDED ACTIONS

While the IP presents moderate risk due to its residential nature and DNSBL listings, no specific malicious activity has been observed. However, the following defensive measures are recommended:

• Firewall Rules: Apply blocking rules at perimeter
• Platforms Affected: iptables, nftables, nginx, pfSense, Cloudflare WAF, AWS WAF
• Action: Block 181.42.198.245/32 at perimeter devices

NOTE: Firewall recommendations are probabilistic. Correlate with additional threat intelligence before implementing blocking measures.

## ANALYST NOTES

The IP address is classified as a residential endpoint with no evidence of malicious activity. Moderate risk rating derives from DNSBL listings and residential classification rather than observed threat behavior. Monitor for any changes in reputation or threat indicator status.

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