202.8.41.187
202.8.41.187 is an IPv4 address operated by Ahrefs Pte Ltd administrator (AS140577), geolocated to Ashburn, United States. Its reverse DNS name is sardine443.ahrefs.net. As of August 29, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
## INTELLIGENCE BRIEFING: 202.8.41.187/32
Classification: LOW RISK – LEGITIMATE INFRASTRUCTURE
Executive Summary:
The IP address 202.8.41.187 is identified as Ahrefs crawler infrastructure with no active threat indicators. The IP maintains a risk score of 0 and shows no evidence of malicious activity. Recommended action: ALLOW with monitoring.
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Profile Summary
| Attribute | Value |
|---|---|
| **Risk Score** | 0 (Low Risk) |
| **Organization** | Ahrefs Pte Ltd administrator |
| **ASN** | 140577 |
| **BGP Prefix** | 202.8.40.0/23 |
| **Geolocation** | US (Boston, MA consensus) |
| **DNS** | sardine443.ahrefs.net → ahrefs.net |
| **Services** | Firewalled / No Services |
| **Network Role** | Infrastructure |
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Threat Assessment
Active Threat Indicators: NONE
- No blacklisting (8 DNSBL total references, 0 active listings)
- Not classified as Tor exit, known attacker, or spam source
- No associated threat campaigns or abuse indicators
- Zero honeypot hits, enumeration strikes, or WAF violations
Control Plane:
- Route stability: UNSTABLE
- DNSSEC: Valid
- RPKI/IRR: Not verified
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Observation History (17 signals)
Recent activity (2026-07-24) confirms:
- RIR Registration: APNIC (Ahrefs Pte Ltd administrator)
- Netname: AHREFS-CRAWLER-A-USA
- Domain Association: ahrefs.net (CAA records present)
- DNS Resolution: Confirmed forward resolution to ahrefs.net
No temporal degradation in reputation observed.
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Subnet Neighborhood (202.8.41.0/24)
| Metric | Value |
|---|---|
| **Total Siblings** | 100 |
| **Abuse Density** | 0% |
| **High Risk** | 0 |
| **Medium Risk** | 5 |
| **Low Risk** | 95 |
Notable neighbor: 202.8.41.9 (Risk Score: 50)
The subnet demonstrates minimal abuse presence, with 95% of neighbors classified as low risk.
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Relationship Graph
| Type | Target |
|---|---|
| DNS Association | sardine443.ahrefs.net |
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Recommended Actions
Firewall/Security Policy:
- ALLOW inbound/outbound traffic (no blocking required)
- No firewall rules generated (risk score 0)
- Continue standard logging and monitoring
Monitoring Triggers:
- Alert if risk score increases above threshold
- Monitor for new threat indicator additions
- Track DNS resolution changes to non-ahrefs.net domains
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Analyst Notes
This IP belongs to Ahrefs' crawler infrastructure, which is a legitimate SEO analytics service. The IP is actively resolving to ahrefs.net with proper DNS configuration. The subnet shows minimal abuse density, supporting the conclusion of legitimate infrastructure operations. No immediate defensive action required, but maintain baseline monitoring for operational changes.
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 | sardine443.ahrefs.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | sardine443.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 | Single-Service Host |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 22 | ssh | tcp | Banner detected |
| Closed Ports | 25, 80, 443, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| 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 | 0% | 0 | 0 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 25% | 1 | 1 |
| geolocation | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-08 06:54:58 UTC |
| Last Seen | 2026-10-05 05:14:36 UTC |
| Profile Built | 2026-08-29 04:56:07 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 24 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 202.8.41.187
Who owns the IP address 202.8.41.187?
202.8.41.187 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 202.8.41.187 located?
Geolocation data places 202.8.41.187 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 202.8.41.187 malicious or safe?
202.8.41.187 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 202.8.41.187?
The reverse DNS (PTR) record for 202.8.41.187 is sardine443.ahrefs.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 202.8.41.187?
Responsive ports observed on 202.8.41.187 include 22. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.