148.113.128.20📋 Copy

# IP INTELLIGENCE BRIEFING

Target: 148.113.128.20/32

Risk Assessment: Moderate Risk (Score: 40/100)

Analysis Date: [Current Date]

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## EXECUTIVE SUMMARY

IP address 148.113.128.20 is assigned to OVH SAS (ASN 16276) and registered to Dmytro, Ahrefs Pte Ltd under network block 148.113.128.0/24. The IP resolves to proxy-ca014-san20.ahrefs.net and is classified as cloud hosting infrastructure. While currently showing no active threat indicators, the IP resides within a high-abuse-density subnet (0.5898) with 151 of 256 sibling IPs flagged as threats.

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## OWNERSHIP & INFRASTRUCTURE

Geolocation Validation: Geovalidation flags indicate inconsistency—reported location (Beauharnois, QC) shows RTT violation (29ms observed vs. 121.6ms minimum required for 6,082km distance). Multiple geolocation sources provide conflicting data with consensus not achieved.

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## THREAT POSTURE

Current Status: No active threat indicators detected

• Known Attacker: No
• Spam Source: No
• Tor Exit Node: No
• Blacklist Count: 0
• Threat Feeds: None populated
• Pulsedive Risk: Null
• DNSBL Listings: 1 of 8 lists (dnsblListedCount: 1)

DNS Configuration:

• PTR Hostname: proxy-ca014-san20.ahrefs.net
• Forward Resolution: Confirmed (1 hostname)
• Email Authentication: No SPF/DMARC records detected
• CAA Records: Present

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## OBSERVATION HISTORY

Analysis of 21 historical observations reveals temporal volatility:

• June 20, 2026: High-severity listing detected on 1 of 8 threat lists
• June 28, 2026: Recent DNS resolution to ahrefs.net confirmed with valid CAA records
• Network Classification: Stable as OVH cloud infrastructure
• Ownership: No changes detected
• Threat Persistence: Single observation (0 persistence days)
• Status: Not persistently malicious

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## NEIGHBORHOOD ANALYSIS

Subnet: 148.113.128.0/24

Abuse Density: 0.5898 (High)

Inherited Risk: 23/100

The subnet shows elevated abuse activity, with approximately 59% of IPs flagged as threats. This context warrants heightened monitoring despite the target IP's current clean status.

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## NETWORK RELATIONSHIPS

35 relationships identified, primarily:

• Same Network: 30+ relationships to OVH-CUST-281059693 network block
• No relationships to external organizations, hostnames, or certificates detected

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## SECURITY RECOMMENDATIONS

Risk Score: 40/100 (Moderate)

Recommendation: Monitor with optional blocking based on operational requirements

Recommended Firewall Rules:

```

iptables: iptables -A INPUT -s 148.113.128.20 -j DROP

nftables: nft add rule inet filter input ip saddr 148.113.128.20 drop

nginx: deny 148.113.128.20;

```

Cloud Platform Rules:

• Cloudflare WAF: Block with expression `ip.src eq 148.113.128.20`
• AWS WAF: Add rule for `148.113.128.20/32`

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## ANALYST NOTES

1. Subnet Context: The high abuse density in 148.113.128.0/24 (151 threat siblings) suggests this IP block is frequently abused. Blocking may reduce lateral movement risk.

2. Ahrefs Association: DNS resolution to ahrefs.net indicates legitimate use case, but the hosting provider (OVH) is known for high-abuse density.

3. Temporal Signals: Historical data shows transient threat listings, suggesting the IP has been reused or reassigned previously.

4. Action Threshold: At Risk Score 40, this IP falls in the moderate-risk category. Blocking is recommended if the organization has strict threat posture requirements.

5. Monitoring Priority: Medium—maintain logging and monitor for service activity or reputation changes.

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