202.8.42.41
# IP INTELLIGENCE BRIEFING
Target IP: 202.8.42.41/32
Classification: Moderate Risk Infrastructure Node
Date of Assessment: Current Session
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## EXECUTIVE SUMMARY
IP 202.8.42.41 is identified as a firewalled crawler node associated with Ahrefs Pte Ltd. The IP operates within a dedicated crawler subnet (AHREFS-CRAWLER-B-USA) and presents moderate risk due to DNSBL listings and operational characteristics typical of SEO/web crawling infrastructure. No active malicious activity detected.
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## OWNERSHIP & INFRASTRUCTURE
| Attribute | Details |
|---|---|
| ASN | 140577 |
| Organization | Ahrefs Pte Ltd administrator |
| Network | 202.8.42.0/23 |
| RIR | APNIC |
| Geolocation | United States (VA, Ashburn) |
| Service Role | Firewalled / No Services |
The IP is registered under Ahrefs infrastructure with DNS PTR hostname `sardine553.ahrefs.net`. Forward DNS resolution is confirmed.
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## RISK PROFILE
- Overall Risk Score: 50/100 (Moderate)
- Abuse Confidence Score: Not applicable
- DNSBL Listings: 2/8 total lists (2 active)
- Threat Indicators: None detected
- Known Campaigns: None
- Tor Exit Node: No
- Known Attacker: No
- Spam Source: No
The IP is classified as infrastructure, not actively malicious. Risk elevation stems primarily from DNSBL presence, consistent with crawler operations.
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## OBSERVATION HISTORY
Twelve signal observations recorded with the following notable signals:
- 2026-07-31 00:07:54: Operator score 0.3478, DNSSEC valid, CAA records present
- 2026-07-31 00:07:42: Ownership confirmed as Ahrefs Pte Ltd administrator via APNIC
- 2026-07-31 00:07:42: Listed on 8 DNSBLs (2 high severity)
No persistent malicious activity observed. Threat observation count: 0.
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## NEIGHBORHOOD ANALYSIS
| Metric | Value |
|---|---|
| Subnet | 202.8.42.0/24 |
| Total Neighbors | 100 |
| Abuse Density | 0 |
| High Risk | 0 |
| Medium Risk | 8 |
| Low Risk | 92 |
The /24 subnet demonstrates low abuse density with the vast majority (92%) of neighbors classified as low risk. This indicates the IP is part of a legitimate, controlled infrastructure deployment.
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## RELATIONSHIP GRAPH
- Network Association: AHREFS-CRAWLER-B-USA (Same Network)
- DNS Association: sardine553.ahrefs.net
- Related Entities: 2 total relationships
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## SECURITY ACTIONS
| Action | Recommendation |
|---|---|
| Firewall | Allow or block based on organizational policy; no active threats detected |
| WAF Rules | No specific rules required |
| Monitoring | Monitor for changes in DNSBL status or service emergence |
| Reputation | Treat as moderate risk infrastructure; no immediate block advised |
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## INTELLIGENCE CONCLUSION
IP 202.8.42.41 represents standard web crawler infrastructure associated with Ahrefs. The moderate risk classification is attributable to DNSBL presence typical of crawler operations. No active malicious indicators, campaigns, or peer abuse in the neighborhood suggest this IP is operating within normal parameters.
Recommended Action: Monitor for service emergence or DNSBL changes. No immediate blocking required.
---
*Generated by IPDebrief 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 | sardine553.ahrefs.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | sardine553.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 | Tier 3 — Basic operator with some routing infrastructure |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 22 | ssh | tcp | |
| Closed Ports | 25, 80, 443, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
| SSH Version | SSH-2.0-OpenSSH_10.0p2 Debian-7+deb13u4 |
🔐 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 | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 20% | 5 | 6 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-29 22:50:11 UTC |
| Last Seen | 2026-07-31 19:32:49 UTC |
| Profile Built | 2026-07-31 00:16:59 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 19 |
Full dossier details are available via our API.