# IP Intelligence Briefing: 198.244.183.58
Classification: MODERATE RISK | Date: 2026-06-23 | Analyst: SOC Intelligence
---
## Executive Summary
IP address 198.244.183.58 is a cloud-based infrastructure endpoint associated with Ahrefs Pte Ltd, operated through OVH cloud services in London, England. The IP presents moderate risk (score: 40) with no active threat indicators or known malicious campaigns. However, the /24 subnet exhibits elevated abuse density, suggesting potential lateral threat activity from neighboring addresses.
---
## Technical Profile
Ownership & Infrastructure:
- ASN: 16276 (OVH)
- Organization: Ahrefs Pte Ltd Dmytro
- Geolocation: London, England, GB (RIR: ARIN)
- Infrastructure Type: CloudCompute (OVH Hosting)
- BGP Prefix: 198.244.128.0/17
- IP Classification: Firewalled / No Services Detected
Network Role:
- Is Cloud: Yes
- Is Hosting: Yes
- Connection Type: Not specified
- DNS Resolvable: Yes (proxy-uk004-san58.ahrefs.net)
---
## Threat Assessment
Current Risk Profile:
- Risk Score: 40 (Moderate Risk)
- Abuse Confidence: Not applicable
- Blacklist Status: 0 blacklists, 1 DNSBL listing
- Known Attacker: No
- Tor Exit Node: No
- Spam Source: No
Control Plane Analysis:
- Operator Score: 0.2174 (Minimal)
- DNSSEC Valid: Yes
- RPKI State: Unspecified
- Route Stability: False (0 route changes in 30 days)
---
## Neighborhood Analysis (198.244.183.0/24)
Subnet Abuse Metrics:
- Abuse Density: 0.6875 (High Abuse Classification)
- Total Siblings: 256
- Active Siblings: 212
- Threat Siblings: 176
- Inherited Risk Score: 27
Risk Distribution: 100 medium-risk neighbors detected across the /24 subnet. This indicates a shared infrastructure environment with elevated abuse potential from adjacent IP addresses.
---
## Observation History
Temporal Analysis (25 total observations):
- 2026-06-23: Abuse density 0.6875, inherited risk 27
- 2026-06-19: Abuse density 0.7539, inherited risk 30
Trend: Slight decrease in abuse density and inherited risk over the 4-day observation window. No persistent malicious behavior detected (threat persistence days: 0).
---
## Intelligence Relationships
Network Associations:
- Primary network: OVH_282347340
- Total relationships: 60 entries
- Multiple same-network associations to OVH infrastructure
---
## SOC Recommendations
1. MONITOR, DO NOT BLOCK:
The IP shows no active threat indicators. Blocking is not recommended without correlation to malicious activity.
2. MONITOR NEIGHBORING ADDRESSES:
The /24 subnet exhibits high abuse density with 176 threat-sibling IPs. Consider implementing monitoring rules for the following pattern:
```
subnet: 198.244.183.0/24
alert: High abuse density detected
```
3. DNS VALIDATION:
PTR hostname resolves to proxy-uk004-san58.ahrefs.net. Verify legitimacy against Ahrefs known infrastructure.
4. CONTINUED OBSERVATION:
Maintain observation of the IP for 7-14 days. Monitor for escalation in abuse indicators or campaign correlations.
---
End of Briefing
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Ahrefs Pte Ltd Dmytro |
| ASN | AS16276 |
| Network Name | โ |
| CIDR Block | โ |
| RIR | ARIN |
| Country | โ |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR | proxy-uk004-san58.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk004-san58.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 | 26% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 30% | 2 | 3 |
| Overall | 21% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-07 23:04:06 UTC |
| Last Seen | 2026-06-27 02:42:15 UTC |
| Profile Built | 2026-06-27 20:48:27 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 29 |
Full dossier details are available via our API.