202.8.41.127
# IP INTELLIGENCE BRIEFING: 202.8.41.127/32
Classification: LOW RISK / INFRASTRUCTURE
Date: 2026-07-30
Analyst: IPDebrief Intelligence Team
---
## EXECUTIVE SUMMARY
IP 202.8.41.127 is classified as a low-risk infrastructure address belonging to Ahrefs Pte Ltd, a legitimate SEO analytics and web crawler infrastructure. The IP operates within the AHREFS-CRAWLER-A-USA network block and demonstrates consistent operational stability with no malicious indicators.
---
## OWNERSHIP & INFRASTRUCTURE
| Attribute | Value |
|---|---|
| **Organization** | Ahrefs Pte Ltd administrator |
| **Netname** | AHREFS-CRAWLER-A-USA |
| **ASN** | 140577 |
| **CIDR Block** | 202.8.40.0/23 |
| **RIR** | APNIC |
| **Abuse Contact** | Available via RDAP |
The IP is registered under Ahrefs' crawler infrastructure program, consistent with legitimate web-scraping and SEO analytics operations.
---
## GEOSPATIAL DATA
| Field | Value |
|---|---|
| **Country** | Singapore (SG) |
| **Coordinates** | 1.35°N, 103.82°E |
| **Timezone** | Asia/Singapore |
| **Accuracy Radius** | 30 km |
---
## NETWORK CLASSIFICATION
- Infrastructure Type: Single-Service Host
- Connection Type: Standard Internet Connection
- Proxy/VPN/CDN/Cloud: No
- Tor Exit Node: No
- Tor/Hosting/Residential: No
- Bogon Address: No
The IP demonstrates characteristics consistent with legitimate infrastructure hosting rather than malicious infrastructure.
---
## THREAT INDICATORS
| Indicator | Status |
|---|---|
| **Risk Score** | 25 / 100 |
| **Abuse Confidence Score** | Not Available |
| **Blacklist Count** | 0 |
| **Known Attacker** | No |
| **Spam Source** | No |
| **Known Campaigns** | None |
| **Threat Feeds** | None |
No active threat indicators detected. The IP shows no association with known malicious campaigns or threat actor infrastructure.
---
## SERVICE & PORT ANALYSIS
| Port | Protocol | Service | Status |
|---|---|---|---|
| 22 | TCP | SSH | Open |
| *Banner* | - | SSH-2.0-OpenSSH_10.0p2 Debian-7+deb13u4 | Standard |
SSH service detected with standard Debian OpenSSH build. No web services (HTTP/HTTPS) detected on common ports.
---
## DNS ANALYSIS
- PTR Hostname: sardine383.ahrefs.net
- Forward Resolution: Confirmed
- DNSBL Listed: 1 of 8 lists
- SPF Record: Not configured
- DMARC Record: Not configured
DNS records align with Ahrefs infrastructure naming conventions.
---
## NEIGHBORHOOD ANALYSIS
Subnet: 202.8.41.0/24
| Metric | Value |
|---|---|
| **Total Siblings** | 143 |
| **Active Siblings** | 71 |
| **Threat Siblings** | 11 |
| **Abuse Density** | 0.0769 (7.69%) |
| **Classification** | Mostly Clean |
| **Risk Distribution** | 0 High, 5 Medium, 95 Low |
The /24 subnet demonstrates low abuse density with the vast majority of addresses classified as low-risk. This IP exists within a predominantly clean subnet environment.
---
## OBSERVATION HISTORY
Signal Count: 20 observations
Key temporal findings:
- Classification Stability: Consistent "mostly_clean" classification across recent observations
- Ownership Changes: 0 changes recorded
- Threat Persistence: 0 days
- Campaign Correlation: 0 correlated IPs
- Banner Matches: 0
- Cert Matches: 0
The IP demonstrates stable operational characteristics with no escalating threat patterns over time.
---
## RELATIONSHIP MAPPING
DNS Associations: sardine383.ahrefs.net (multiple records)
Network Associations: AHREFS-CRAWLER-A-USA
Correlated Entities: None identified
All relationship mappings align with legitimate Ahrefs infrastructure operations.
---
## RECOMMENDED ACTIONS
| Action | Recommendation |
|---|---|
| **Firewall Rules** | No specific rules required |
| **Traffic Analysis** | Monitor for unusual outbound patterns |
| **Threat Intelligence** | No action required |
| **ISP Notification** | Not required |
| **Block Recommendation** | Do not block |
The IP presents no immediate threat requiring defensive action. Standard logging and monitoring practices are sufficient.
---
## CONCLUSION
IP 202.8.41.127 is a legitimate infrastructure address associated with Ahrefs' crawler operations. The address demonstrates:
1. Low Risk Profile: Risk score of 25 with no active threat indicators
2. Stable Operations: Consistent classification and no ownership changes
3. Clean Neighborhood: Exists within a predominantly low-risk subnet
4. Legitimate Infrastructure: Properly registered with APNIC and operational through Ahrefs
Recommendation: Allow traffic with standard monitoring. No blocking or alerting recommended.
---
*Report generated by IPDebrief Intelligence Platform. Data current as of 2026-07-30.*
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 | sardine383.ahrefs.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | sardine383.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 | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| 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 | 2026-07-25 08:45:19 UTC |
| Last Seen | 2026-07-30 03:12:54 UTC |
| Profile Built | 2026-07-30 03:25:13 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 21 |
Full dossier details are available via our API.