# IP Intelligence Briefing: 198.244.242.37/32
Classification: Moderate Risk | Date: 2026-06-28
## Executive Summary
IP address 198.244.242.37 is a cloud hosting infrastructure address owned by Ahrefs Pte Ltd, operated through OVH network. The IP resolves to ahosting domain (ahrefs.net) with PTR hostname proxy-uk007-san37.ahrefs.net. While the IP itself shows no active threat indicators or known malicious activity, the /24 subnet demonstrates elevated abuse characteristics with a 0.6523 abuse density classification.
## Ownership and Infrastructure
- ASN: 16276 (OVH)
- Organization: Ahrefs Pte Ltd Dmytro
- Geolocation: London, England, GB
- Infrastructure Type: CloudCompute (Cloud-hosted)
- Network Classification: Hosting Provider
- CIDR Block: 198.244.128.0/17 (Origin BGP Prefix)
## Network Classification
- Provider: OVH
- Connection Type: Cloud infrastructure
- Status: Firewalled / No Services (no open ports detected)
- CDN/Proxy/Tor: Not identified as CDN, VPN, proxy, or Tor exit
- Anycast: No
## DNS Analysis
- PTR Hostname: proxy-uk007-san37.ahrefs.net
- Forward Resolution: Confirmed (ahrefs.net)
- Domain: ahrefs.net
- CAA Records: Present (1 issuer)
- DNSSEC: Valid
- Email Authentication: SPF and DMARC records not configured
## Threat Assessment
- Risk Score: 40 (Moderate Risk)
- Known Attacker: No
- Spam Source: No
- Blacklist Count: 0
- Threat Indicators: None
- Known Campaigns: None
- DNSBL Status: Listed on 1 of 8 DNSBL providers
## Neighborhood Analysis (198.244.242.0/24)
- Abuse Density: 0.6523 (High Abuse Classification)
- Total Siblings: 256 IPs
- Active Siblings: 219
- Threat Siblings: 167
- Risk Distribution: 37 Medium, 63 Low, 0 High
- Inherited Risk Score: 26
The /24 subnet shows significant abuse activity with 167 threat siblings out of 219 active IPs. This elevated neighborhood risk should be considered when evaluating traffic from this subnet.
## Observation History
- Total Observations: 22 signals
- Most Recent: 2026-06-28 11:45:33 UTC
- Ownership Stability: 0 changes recorded
- Provider Consistency: OVH (consistent across observations)
- Subnet Classification: Consistently classified as high_abuse
## Security Recommendations
Based on the moderate risk profile and subnet abuse density:
1. Monitor, Not Block: The IP itself shows no active threat indicators. No immediate blocking is recommended.
2. Traffic Baseline: Establish baseline traffic patterns for this IP given its hosting nature and subnet abuse characteristics.
3. Subnet Awareness: Exercise caution when evaluating other IPs from 198.244.242.0/24 subnet due to 0.6523 abuse density.
4. DNS Reputation: The IP is associated with ahrefs.net, a legitimate SEO analytics service. False positives are possible.
5. Geographic Context: Traffic originates from London, GB. Verify if this aligns with expected operational patterns.
## Risk Indicators
- Primary Concern: Subnet abuse density (0.6523)
- Secondary Concern: DNSBL listing (1 of 8 providers)
- Mitigating Factors: No known attacks, no spam indicators, established legitimate domain ownership
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*Intelligence generated by IPDebrief platform. Data accuracy dependent on source feed completeness. For operational decisions, correlate with internal threat intelligence and traffic patterns.*
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-uk007-san37.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk007-san37.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 | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 25% | 2 | 2 |
| Overall | 21% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-20 11:46:18 UTC |
| Last Seen | 2026-06-28 11:45:47 UTC |
| Profile Built | 2026-06-29 05:48:25 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 25 |
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