37.40.225.230📋 Copy

# INTELLIGENCE BRIEFING: 37.40.225.230/32

Classification: High Risk (Score: 80)

Date: 2026-07-30

Analyst: IPDebrief Intelligence

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## EXECUTIVE SUMMARY

IP 37.40.225.230 presents a high-risk threat profile (Risk Score: 80/100) with significant reputation concerns. The address belongs to Oman Mobile (ASN 28885, OMANMOBILE-3G) within CIDR 37.40.0.0/16. Despite no active threat indicators or open services, the IP is listed on 4 DNS blacklists out of 8 total lists, indicating historical abuse activity. The subnet (37.40.225.0/24) shows moderate abuse density (14.3%) with 7 sibling IPs, 2 currently active, and 1 flagged as a threat.

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## NETWORK ATTRIBUTES

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## THREAT INDICATORS

• DNSBL Listings: 4 of 8 blacklists
• Risk Score: 80 (High)
• Abuse Confidence: Not scored
• Known Campaigns: None correlated
• Tor/VPN/Proxy: Not detected
• Spam Source: Not flagged

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## NETWORK BEHAVIOR

The IP shows no active services (firewalled/no ports open) with no TLS certificates or HTTP responses detected. Traceroute analysis reveals 29 hops with 14 timed-out hops, traversing Comcast and HE networks. BGP origin shows route instability (isRouteStable: false) with BGP prefix 37.40.224.0/23.

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## SUBNET ANALYSIS (37.40.225.0/24)

The /24 neighborhood contains 6 sibling IPs with the following risk distribution:

Subnet abuse density: 14.29% (mostly_clean classification). The target IP inherits risk score of 2 from neighborhood context.

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## OBSERVATION HISTORY

Fifteen observations recorded between 2026-07-30. Key signals include:

• Geolocation consensus: US-MA (Boston) with 85% confidence
• ASN attribution: AS28885 (Oman Mobile) with Muscat, OM coordinates
• Ownership stability: No changes observed
• Threat persistence: 0 days observed
• Not persistently malicious

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## RELATIONSHIPS

Five relationship entries all identify "Same Network" type pointing to OMANMOBILE-3G, confirming organizational affiliation. No correlations to specific hostnames, certificates, or subnets beyond network-level relationships.

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## RECOMMENDED ACTIONS

Given the high-risk classification and DNSBL listings:

1. Block at perimeter: Implement deny rules for 37.40.225.230/32

2. Monitor subnet: Consider broader monitoring of 37.40.225.0/24 due to 14.3% abuse density

3. Review email: Check outbound email logs for connections to this IP

4. Block related: Consider blocking sibling IPs 37.40.225.11 and 37.40.225.204 (Risk: 25)

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END OF BRIEFING

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