202.8.40.37 is an IPv4 address operated by Ahrefs Pte Ltd administrator (AS140577), geolocated to Ashburn, United States. Its reverse DNS name is sardine037.ahrefs.net. As of September 1, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
# INTELLIGENCE BRIEFING: 202.8.40.37
Date: 2026-07-24
Classification: LOW RISK
Analyst: SOC Intelligence Team
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## EXECUTIVE SUMMARY
IP address 202.8.40.37 is classified as a low-risk infrastructure endpoint with no active threat indicators. The address resolves to Ahrefs network infrastructure and presents minimal operational risk to defensive networks. No immediate blocking or mitigation actions are recommended.
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## PROFILE ANALYSIS
Basic Information
- IP Address: 202.8.40.37/32
- Reputation: Low Risk
- Risk Score: 0.00
- Provider Score: 0.00
- Authority Score: 0.00
- Stability Score: 0.00
Geolocation
- Country: United States (US)
- Region: Virginia
- City: Ashburn
- Coordinates: 39.05°N, -77.49°W
- Timezone: America/New_York
- Geo Validation: Consensus verified across multiple sources
Network Registration
- Origin ASN: 140577
- BGP Prefix: 202.8.40.0/23
- Control Plane Operator Score: 0.3478 (Basic)
- Route Stability: Unstable (isRouteStable: false)
- Route Changes (30d): 0
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## OWNERSHIP & INFRASTRUCTURE
DNS Resolution
- PTR Hostname: sardine037.ahrefs.net
- Forward Resolution: Confirmed
- Domain: ahrefs.net
- Hosted Domain Count: 0
Network Role Classification
- Infrastructure Type: Infrastructure
- Services: Firewalled / No Services
- Open Ports: None detected
- TLS Certificate: Not present
- HTTP Banner: Not present
Security Classifications
- Is Cloud: False
- Is CDN: False
- Is VPN: False
- Is Proxy: False
- Is Tor Exit: False
- Is Hosting: False
- Is Mobile: False
- Is Residential: False
- Is Bogon: False
- Is Anycast: False
---
## THREAT INDICATORS
Active Threat Status: CLEAN
Threat Feed Analysis
- Blacklist Count: 0
- Abuse Confidence Score: Not applicable (low risk profile)
- Known Campaigns: None
- Threat Feeds: None
Historical Observations
- Total Signal Observations: 14
- Threat Persistence Days: 0
- Is Persistently Malicious: False
- Honeypot Hits: 0
- Enumeration Strikes: 0
- WAF Violations: 0
- Total Incidents: 0
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## NETWORK NEIGHBORHOOD ANALYSIS
Subnet: 202.8.40.0/24
Abuse Metrics
- Abuse Density: 0.1135 (Low)
- Subnet Classification: Mostly Clean
- Inherited Risk: 4/100
Neighbor Distribution
- Total Siblings: 141
- Active Siblings: 59
- Threat Siblings: 16
- High Risk Neighbors: 0
- Medium Risk Neighbors: 5
- Low Risk Neighbors: 95
Notable Neighbor Risk Scores
- 202.8.40.1: Risk Score 25, Authority Score 60
- 202.8.40.2: Risk Score 0, Authority Score 60
- 202.8.40.3: Risk Score 0, Authority Score 60
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## RELATIONSHIP GRAPH
Connected Entities
- Type: DNS Association
- Target: sardine037.ahrefs.net (hostname)
- Total Relationships: 1
Cert Matches: 0
Correlated IPs: 0
Campaign Likelihood: Not applicable
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## OBSERVATION HISTORY
Timeline of Signals (Recent 14 Observations)
| Timestamp | Signal Type | Key Finding |
|---|---|---|
| 2026-07-24 23:09:44 | Threat Indicator | ASN AS134078 (netpluz holdings private limited), Singapore |
| 2026-07-24 23:09:36 | Subnet Analysis | Abuse density 0.1135, classification mostly_clean |
| 2026-07-24 23:08:47 | Geolocation | Ashburn, Virginia, US (MaxMind GeoLite2) |
| 2026-07-24 23:08:37 | Network Role | Not cloud/VPN/proxy/Tor/hosting |
| 2026-07-24 23:08:10 | Operator Score | Basic (0.3478) |
Temporal Analysis
- Ownership Changes: 0
- Avg Ownership Days: Not applicable
- Threat Observation Count: 0
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## RECOMMENDED ACTIONS
Security Recommendations: None
Firewall Rules: Not applicable
Rationale: The IP address presents no active threat indicators, has a clean reputation score of 0, and is associated with Ahrefs infrastructure. No blocking or rate-limiting actions are warranted at this time.
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## TRACERoute & Performance
Hop Count: 22
First Hop RTT: 0.2ms
Last Hop RTT: 31ms
Timed Out Hops: 13
Transit Networks: Comcast, Zayo
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## CONCLUSION
IP 202.8.40.37 is a low-risk infrastructure endpoint associated with Ahrefs. The address demonstrates stable DNS resolution with no open services, no threat indicators, and resides within a subnet with low abuse density (0.1135). Historical data shows 14 observations with no persistent malicious activity. The single relationship to airmail hostname sardine037.ahrefs.net confirms association with Ahrefs' operational infrastructure.
SOC Recommendation: Monitor passively. No blocking required.
---
Generated by: IPDebrief Intelligence Platform
Data Currency: Real-time as of 2026-07-24
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Ahrefs Pte Ltd administrator |
| ASN | AS140577 |
| Network Name | AHREFS-CRAWLER-A-USA |
| CIDR Block | 202.8.40.0/23 |
| RIR | APNIC |
| Country | US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | sardine037.ahrefs.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | sardine037.ahrefs.net |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Present |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS140577 |
| Network Prefix | 202.8.40.0/23 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 12% | 3 | 3 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-08 13:03:12 UTC |
| Last Seen | 2026-10-05 05:31:09 UTC |
| Profile Built | 2026-09-01 06:42:44 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 21 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 202.8.40.37
Who owns the IP address 202.8.40.37?
202.8.40.37 is registered to Ahrefs Pte Ltd administrator. The address falls within the 202.8.40.0/23 network block. Registration is held at APNIC.
Where is 202.8.40.37 located?
Geolocation data places 202.8.40.37 in Ashburn, Virginia, United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 202.8.40.37 malicious or safe?
202.8.40.37 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 202.8.40.37?
The reverse DNS (PTR) record for 202.8.40.37 is sardine037.ahrefs.net. This hostname is forward-confirmed, meaning it resolves back to the same address.