# IP Intelligence Briefing: 54.39.89.30/32
## Executive Summary
IP 54.39.89.30 is a cloud computing host (OVH, ASN 16276) classified as Moderate Risk (score: 50). The IP resolves to the legitimate ahrefs.net domain but shows concerning neighborhood-level abuse patterns. The subnet 54.39.89.0/24 is flagged as high_abuse with 75.78% abuse density and 194 threat siblings.
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## Technical Profile
| Attribute | Value |
|---|---|
| **Risk Score** | 50 (Moderate Risk) |
| **Provider** | OVH (ASN 16276) |
| **Organization** | Dmytro, Ahrefs Pte Ltd |
| **Network Block** | 54.39.89.0/24 |
| **Infrastructure** | Cloud Compute / Hosting |
| **Geolocation** | Beaucharnois, Quebec, Canada |
| **DNS** | proxy-ca012-san30.ahrefs.net |
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## Threat Assessment
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
- Proxy/VPN/CDN: No
- Blacklist Status: Listed on 2 of 8 DNSBLs
- Services: Firewalled / No open ports detected
---
## Neighborhood Analysis
The /24 subnet shows elevated abuse characteristics:
- Abuse Density: 0.7578 (high)
- Threat Siblings: 194 of 256 total IPs
- Inherited Risk Score: 30
- Classification: high_abuse
This IP shares the subnet with 166 active siblings, indicating shared infrastructure risk.
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## Historical Signals
19 observations recorded from 2026-06-24 to 2026-06-28. Recent signals confirm:
- Consistent cloud infrastructure classification
- OVH hosting provider
- DNS resolution to ahrefs.net domain
- Minimal operator routing concerns
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## Recommended Actions
Based on risk profile, the following firewall rules are recommended:
| Platform | Rule |
|---|---|
| **iptables** | `iptables -A INPUT -s 54.39.89.30 -j DROP` |
| **nftables** | `nft add rule inet filter input ip saddr 54.39.89.30 drop` |
| **nginx** | `deny 54.39.89.30;` |
| **pfSense** | `54.39.89.30/32` |
| **Cloudflare WAF** | `ip.src eq 54.39.89.30` โ block |
| **AWS WAF** | `Addresses: ["54.39.89.30/32"]` |
---
## Intelligence Notes
While the IP resolves to a legitimate domain (ahrefs.net), the high-abuse subnet classification and DNSBL listings suggest potential reputation pollution or shared infrastructure misuse. The lack of open ports suggests the IP may be used for outbound-only services or is actively blocked. Monitor for pattern changes in neighborhood activity.
---
*Report generated: IPDebrief Intelligence Platform*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Dmytro, Ahrefs Pte Ltd |
| ASN | AS16276 |
| Network Name | OVH-CUST-281059691 |
| CIDR Block | 54.39.89.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | โ |
๐ DNS Intelligence
| PTR | proxy-ca012-san30.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca012-san30.ahrefs.net |
๐ DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
โ๏ธ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting โ Infrastructure provider without advanced routing |
๐ Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 38% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 31% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 25% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) โ 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-21 08:56:03 UTC |
| Last Seen | 2026-06-28 13:19:39 UTC |
| Profile Built | 2026-06-29 07:22:53 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 23 |
Full dossier details are available via our API.