202.8.42.17
IP Intelligence Dossier
Your IP: 216.73.217.135
🤖 Witness AIThis summary was generated by AI and may contain inaccuracies. Verify critical details independently.
IP Intelligence Briefing: 202.8.42.17
Date: 2026-06-08
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Ownership: Registered to Ahrefs Pte Ltd (ASN 140577), a legitimate SEO company.
- Geolocation: Ashburn, Virginia, USA (APNIC registry).
- Network Role: No active services detected; firewalled with no open ports.
- Threat Indicators: No malicious activity, blacklists, or campaigns linked.
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**2. Observation History**
- DNS Activity: Resolves to `sardine529.ahrefs.net`, a hostname associated with Ahrefs’ crawling infrastructure.
- Network Stability: Stable routing with no recent changes.
- Risk Trends: No observed escalation in threat signals over the past 30 days.
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**3. Relationships & Dependencies**
- DNS Associations: Linked to `sardine529.ahrefs.net` (Ahrefs’ crawler subnet).
- Network Affiliation: Part of the `AHREFS-CRAWLER-B-USA` subnet (ASN 140577).
- Subnet Context: Shared /23 network with 100 sibling IPs, 41 medium-risk and 54 low-risk neighbors.
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**4. Neighborhood Analysis**
- Subnet Abuse Density: 0% (low risk).
- Neighbor Risks: Majority of neighbors are low-risk; no malicious clusters detected.
- Geographic Consistency: All neighbors in Ashburn, Virginia, aligning with Ahrefs’ data center footprint.
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**5. Recommended Actions**
- Monitoring: Track DNS resolution patterns and network activity for anomalies.
- Contextual Analysis: Cross-reference with Ahrefs’ known infrastructure to confirm legitimacy.
- No Blocking Required: No firewall rules or actions recommended due to low risk.
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Conclusion:
202.8.42.17 is a legitimate IP associated with Ahrefs’ crawling infrastructure. No malicious indicators detected. Monitor for unexpected behavior but no immediate action required.
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 | sardine529.ahrefs.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | sardine529.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 | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
No certificate
Issued by —
N/A
| 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 |
Coverage: 6/6 dimensions · Data sufficiency: sufficient
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-19 21:39:57 UTC |
| Last Seen | 2026-06-08 22:43:20 UTC |
| Profile Built | 2026-06-05 05:01:21 UTC |
| Data Freshness | Live |
| Signal Types | 12 |
| Total Observations | 12 |
🔍 12 signal types · 12 observations collected
This report is generated from 12+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
Full dossier details are available via our API.
ℹ️ About This Report
All data shown is publicly available network metadata — IP addresses do not reliably identify individuals.
Assessments are probabilistic and should not be used as sole basis for access control decisions.
To report an issue or request data review, contact admin@ipdebrief.com.