202.8.42.131
IP Intelligence Briefing: 202.8.42.131
Date: 2026-06-07
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**1. Risk Profile**
- Overall Risk: Low Risk (Risk Score: 25)
- Provider Score: 0 (No associated ISP/Provider risks)
- Authority Score: 0 (No authority-related risks)
- Stability: Unstable (Signal stability score: 0)
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**2. Ownership & Geolocation**
- Organization: Ahrefs Pte Ltd (Administrator)
- ASN: 140577 (Netname: AHREFS-CRAWLER-B-USA)
- Location:
- Country: United States (US)
- Region: Virginia (VA)
- City: Ashburn
- Coordinates: Latitude 39.05, Longitude -77.49
- Registration: APNIC (Regional Internet Registry)
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**3. Threat Indicators**
- Malicious Activity: None detected (0 threat indicators)
- Blacklists: Not listed (0 blacklist entries)
- Tor/VPN/Proxy: Not identified (No Tor exit, VPN, or proxy flags)
- DNS Security: DNSSEC validated, CAA records present
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**4. Network Behavior**
- Subnet: 202.8.42.0/23
- Neighbor Risk:
- Total Neighbors: 100
- High Risk: 0
- Medium Risk: 42
- Low Risk: 57
- Abuse Density: 0% (No malicious activity in subnet)
- Services: No open ports or TLS services detected.
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**5. Historical Observations (Last 30 Days)**
- Total Signals: 14
- Key Trends:
- No persistent malicious activity or ownership changes.
- Basic and routing signals observed with moderate confidence.
- No correlation with known campaigns or threats.
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**6. Relationships**
- DNS Associations:
- `sardine643.ahrefs.net` (PTR record)
- Network Relationships:
- Linked to `AHREFS-CRAWLER-B-USA` (same subnet)
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**7. Recommendations**
- No Immediate Action Required: The IP is associated with a legitimate entity (Ahrefs) and shows no malicious indicators.
- Monitor Subnet: While the subnet has low risk, continue monitoring for unusual activity due to the presence of medium-risk neighbors.
- Verify DNS: Confirm DNS records for `sardine643.ahrefs.net` to ensure no spoofing or misconfigurations.
End of Briefing
*Generated via IPDebrief threat intelligence platform.*
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-B-USA |
| CIDR Block | 202.8.42.0/23 |
| RIR | APNIC |
| Country | US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | sardine643.ahrefs.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | sardine643.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 | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 13% | 1 | 1 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 35% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 13% | 1 | 1 |
| Overall | 15% | 6 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-15 14:45:57 UTC |
| Last Seen | 2026-06-26 18:11:05 UTC |
| Profile Built | 2026-06-07 14:24:42 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 20 |
Full dossier details are available via our API.