# IP INTELLIGENCE BRIEFING: 198.244.183.197
## Executive Summary
IP 198.244.183.197 is a moderate-risk infrastructure endpoint associated with Ahrefs Pte Ltd Dmytro (AS16276), hosted on OVH cloud infrastructure in London, England. While the IP itself shows no direct threat indicators, it resides within a high-abuse-density subnet (198.244.183.0/24) with 74.22% abuse density and 190 threat siblings out of 256 total addresses. The asset is firewalled with no open services and is DNS-resolved to proxy-uk004-san197.ahrefs.net.
## Technical Profile
Risk Assessment: Moderate Risk (Score: 40)
Infrastructure Type: CloudCompute / Hosting
Provider: OVH (AS16276)
Geolocation: London, England (GB) - 473.7km from claimed coordinates; 91-96ms RTT
DNS Resolution: proxy-uk004-san197.ahrefs.net (ahrefs.net)
Services: None detected (firewalled/no services)
TLS/Certificates: None active
Control Plane Indicators:
- DNSBL Listed: 1 of 8 lists
- Route Stability: False (not route-stable)
- RPKI State: Not reported
- BGP Prefix: 198.244.128.0/17
## Threat Intelligence Observations
Abuse Density: 0.7422 (High Abuse Classification)
Inherited Risk Score: 29-31
Threat Persistence: No persistent malicious activity detected
Campaign Correlation: No campaign matches or correlated IPs identified
Historical Signal Summary (22 observations):
- June 15, 2026: Abuse density 0.7422, 176 active siblings, 190 threat siblings
- June 20, 2026: Abuse density increased to 0.793, 211 active siblings, 203 threat siblings
- Geographic inference shows London coordinates with multi-signal evidence
- ASN AS16276 (OVH SAS) flagged with threat indicators in external feeds
## Network Context Analysis
Subnet Assessment: 198.244.183.0/24
- Classification: High Abuse
- Total Addresses: 256
- Active Siblings: 176
- Threat Siblings: 190
- Neighbor Risk Distribution: 100 medium-risk IPs (score 40), authority score 50
Relationship Graph (27 entries):
- Network associations: Multiple instances mapped to OVH_282347340
- DNS associations: 16 instances resolving to proxy-uk004-san197.ahrefs.net
## Recommended Actions
Firewall/Network Rules:
- Monitor for outbound connections from internal systems to this IP
- Allow traffic only if legitimate Ahrefs service is required
- Consider blocking if not a known business requirement
Detection Rules:
```
# Block if not business-required
iptables -A INPUT -d 198.244.183.197 -j DROP
# Log for monitoring
iptables -A INPUT -d 198.244.183.197 -j LOG --log-prefix "AHREFS-MONITOR: "
```
Contextual Considerations:
- The IP resolves to Ahrefs domain (legitimate SaaS platform for SEO tools)
- No direct threat indicators on the IP itself
- High neighborhood abuse density suggests broader infrastructure risk
- Recommended to whitelist if known business traffic, otherwise block at perimeter
## Confidence Assessment
- Geographic inference: Plausible (geoPlausible: true)
- Ownership attribution: Confirmed (AS16276, Ahrefs infrastructure)
- Threat classification: Moderate (neighborhood-driven risk)
- Activity monitoring: Recommended due to high-abuse subnet context
---
*Report generated from IPDebrief intelligence data. Review periodically for updates.*
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-san197.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk004-san197.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 | |||
| 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 | 34% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 20% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 35% | 2 | 3 |
| Overall | 23% | 9 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-20 11:46:15 UTC |
| Last Seen | 2026-06-28 11:40:57 UTC |
| Profile Built | 2026-06-29 11:46:55 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 24 |
Full dossier details are available via our API.