157.157.221.187📋 Copy

# IP INTELLIGENCE BRIEFING

Target: 157.157.221.187/32

Date: Current Analysis

Classification: LOW RISK / LEGITIMATE INFRASTRUCTURE

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## EXECUTIVE SUMMARY

IP 157.157.221.187 is classified as Low Risk with a risk score of 0. The address is associated with Icelandic ISP infrastructure (MILA-DC, ASN 6677) in Reykjavik. No active threat indicators, malware, or abuse patterns detected. Neighborhood analysis indicates low abuse density (0.25) with predominantly clean classification.

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## NETWORK OWNERSHIP & GEOLOCATION

• Organization: MILA-DC (MILAHF-MNT)
• ASN: 6677
• CIDR Block: 157.157.221.0/24
• Location: Reykjavik, Iceland (IS) - Capital Region
• Geolocation Confidence: Consensus verified across multiple sources
• RIR: ARIN

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## THREAT INDICATORS

• Risk Score: 0
• Provider Score: 0
• Authority Score: 0
• Blacklist Status: Not listed (0/8 DNSBL checks)
• Known Attacker: No
• Spam Source: No
• Tor Exit Node: No
• Active Threat Campaigns: None

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## NETWORK SERVICES & PORTS

• Open Ports: None detected
• Service Classification: Firewalled / No Services
• TLS Certificate: None
• HTTP Banner: None

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## DNS ANALYSIS

• PTR Record: 157-157-221-187.dsl.dynamic.simnet.is
• Forward Resolution: Confirmed (1 hostname)
• Domain: simnet.is
• Email Authentication: SPF and DMARC records present
• Reverse DNS Consistency: Valid

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## SUBNET NEIGHBORHOOD ANALYSIS

Neighbor Risk Distribution:

• High Risk: 0
• Medium Risk: 0
• Low Risk: 3
• Notable neighbors: 157.157.221.34, 157.157.221.246, 157.157.221.254 (risk score: 25)

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## OBSERVATION HISTORY

• Total Observations: 17
• Recent Activity: July 30, 2026
• Threat Persistence: 0 days
• Persistent Malicious Activity: No
• Recent Signals: Subnet analysis, ownership verification, port scanning, DNS resolution

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## RELATIONSHIP MAPPING

• Network Association: MILA-DC (multiple entries)
• DNS Associations: 157-157-221-187.dsl.dynamic.simnet.is (multiple entries)

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## RECOMMENDED ACTIONS

Current Risk Level: Minimal

Action Required: None

No firewall rules or blocking recommendations generated. IP demonstrates clean reputation with no actionable threat indicators. Monitor as part of standard traffic patterns.

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## INTELLIGENCE ASSESSMENT

This IP address represents legitimate Icelandic ISP infrastructure with normal operational characteristics. The dynamic DNS hostname and lack of open services suggest it may be a residential or small business connection. The subnet maintains low abuse density, and one threat sibling in the neighborhood does not elevate risk to this specific address. SOC analysts should treat this as benign traffic unless additional contextual intelligence suggests otherwise.

Status: CLEAR FOR MONITORING

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