202.8.41.8📋 Copy

# IP Intelligence Briefing: 202.8.41.8/32

Classification: LOW RISK | Generated: 2026-06-11

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## EXECUTIVE SUMMARY

IP address 202.8.41.8 is a low-risk infrastructure endpoint belonging to Ahrefs Pte Ltd, identified as part of the AHREFS-CRAWLER-A-USA network. The IP shows no active threat indicators, no open services, and is classified as firewalled with no accessible ports.

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## OWNERSHIP & INFRASTRUCTURE

• Organization: Ahrefs Pte Ltd administrator
• ASN: 140577 (AHREFS-AS-AP)
• Netname: AHREFS-CRAWLER-A-USA
• CIDR Block: 202.8.40.0/23
• RIR: APNIC (allocated 2003-12-17)
• Geolocation: Ashburn, VA, US (consensus from 1 source)
• DNS PTR: sardine264.ahrefs.net

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## RISK ASSESSMENT

• Overall Risk Score: 25/100 (Low Risk)
• Reputation: Low Risk
• Abuse Confidence Score: Not available
• Blacklist Count: 0
• Known Campaigns: None detected

Risk Breakdown

• Provider Score: 0
• Authority Score: 0
• Stability Score: 0
• Is Tor Exit: No
• Is Known Attacker: No
• Is Spam Source: No

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## NETWORK BEHAVIOR

• Service Status: Firewalled / No Services
• Open Ports: None detected
• TLS Certificate: None
• HTTP Banner: None
• Connection Type: Non-residential, non-cloud, non-CDN infrastructure

Neighborhood Analysis (202.8.41.0/24)

• Total Siblings: 99
• Active Siblings: 31
• Threat Siblings: 29
• Abuse Density: 0.2929 (moderate)
• Risk Distribution: 0 high-risk, 6 medium-risk, 94 low-risk

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## OBSERVATION HISTORY

19 total observations recorded. Key signals include:

• 2026-06-11: Multiple DNS listings with high severity categorization; ASN 140577 confirmed from team-cymru-dns
• 2026-06-10: Subnet abuse density measured at 0.2929 with mixed classification
• Network Classification: Consistently identified as non-hosting, non-residential infrastructure

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## RELATIONSHIP GRAPH

• DNS Associations: sardine264.ahrefs.net (primary hostname)
• Network Associations: AHREFS-CRAWLER-A-USA (28 instances)
• Cert Matches: 0
• Correlated IPs: 0

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## CONTROL PLANE & ROUTING

• BGP Prefix: 202.8.40.0/23
• Route Stability: False
• RPKI State: Not available
• DNSSEC: Valid
• DNSBL Listings: 1 of 8 total lists
• Hop Count: 20 (8 timeouts)
• RTT Validation: Geo validation flagged implausible (measured 31ms RTT vs 126.2ms minimum for stated location)

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## SECURITY ACTIONS & RECOMMENDATIONS

Current Action: No specific blocking or filtering recommended.

Justification:

• Risk score of 25 indicates low threat level
• No active threat indicators detected
• No open services or ports accessible
• Known crawler infrastructure with legitimate use case

Suggested Monitoring:

• Monitor for service emergence (port scans indicate no current services)
• Track subnet abuse density trends (current: 0.2929)
• Watch for DNS resolution changes to non-ahrefs.net domains

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## ANALYST NOTES

This IP represents routine web crawler infrastructure. The hostname sardine264.ahrefs.net indicates this is part of Ahrefs' web crawling operations. No blocking action is warranted unless specific threat indicators emerge. Standard logging and monitoring is sufficient.

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