# IP Intelligence Briefing: 198.244.168.99/32
Date: 2026-06-15
Classification: Moderate Risk
Risk Score: 40/100
---
## Executive Summary
IP address 198.244.168.99 is a cloud-compute infrastructure endpoint associated with OVH (ASN 16276) hosting in London, United Kingdom. The endpoint is classified as a firewalled/no-services host with no direct active threat indicators, though it resides within a high-abuse-density subnet (0.8047) with 206 threat siblings identified in the /24 block.
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## Risk Profile
- Risk Score: 40 (Moderate Risk)
- Provider: OVH (Cloud Computing Infrastructure)
- Registration: Ahrefs Pte Ltd Dmytro (ASN 16276)
- Geolocation: London, England, GB (750km accuracy radius)
- Infrastructure Type: CloudCompute / Hosting
- DNS Resolution: proxy-uk001-san99.ahrefs.net (ahrefs.net)
---
## Network Environment Assessment
The /24 subnet (198.244.168.0/24) exhibits high abuse classification with 0.8047 abuse density. Of 256 sibling IPs:
- Active: 191
- Threat Siblings: 206
- Inherited Risk: 32
Control plane analysis shows route stability issues with minimal operator score (0.2174). The IP is not Tor-related, not a known attacker, and shows zero blacklist hits.
---
## Behavioral History
21 signal observations recorded through 2026-06-15. Recent activity indicates:
- No persistent malicious behavior
- Ownership changes: 0
- Threat persistence days: 0
- DNSSEC valid with CAA records present
---
## Recommended Actions
Block Recommendations:
| Platform | Rule |
|---|---|
| iptables | `iptables -A INPUT -s 198.244.168.99 -j DROP` |
| nftables | `nft add rule inet filter input ip saddr 198.244.168.99 drop` |
| nginx | `deny 198.244.168.99;` |
| pfSense | `198.244.168.99/32` |
| Cloudflare WAF | Block IP with expression `ip.src eq 198.244.168.99` |
| AWS WAF | Add IP to blocked addresses list |
---
## Intelligence Narrative
The endpoint presents a moderate-risk profile characteristic of cloud infrastructure hosting. While no direct threat indicators are active, the high-abuse neighborhood context warrants monitoring. The IP is associated with Ahrefs.net domain infrastructure and appears to be part of a larger cloud-hosting operation. The firewalled/no-services status suggests the IP may be reserved, staging, or used for non-public-facing services.
Threat Context: The subnet's elevated abuse density (206 threat siblings) indicates potential association with compromised infrastructure or botnet activity. However, this specific IP shows no active malicious behavior in recent observations.
Recommendation: Block inbound traffic to this IP at perimeter firewalls. Monitor outbound connections if this IP appears in internal logs. Consider subnet-level blocking (198.244.168.0/24) if threat intelligence indicates broader campaign activity.
---
Generated by: IPDebrief Intelligence Platform
Analysis: Defensive Security Intelligence
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-uk001-san99.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk001-san99.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 | 33% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 31% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 24% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-21 20:59:56 UTC |
| Last Seen | 2026-06-28 15:44:45 UTC |
| Profile Built | 2026-06-29 03:49:19 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 25 |
Full dossier details are available via our API.