198.244.242.81
IP Intelligence Briefing: 198.244.242.81/32
Date: 2026-06-09
---
**1. Core Profile**
- Risk Score: Moderate (40/100)
- Provider: OVH (ASN 16276)
- Organization: Ahrefs Pte Ltd (Dmytro)
- Geolocation: London, England, UK (high plausibility, 750km accuracy radius)
- Network Role: Cloud compute infrastructure (hosting, no public services)
- Threat Indicators: No malicious activity detected (no blacklists, spam, or campaigns).
---
**2. Subnet Analysis**
- Subnet: 198.244.242.81/24
- Abuse Density: 54.69% (high abuse classification)
- Neighbor Risk: 90% of sibling IPs in the subnet are medium/low risk, but the subnet is flagged for high abuse.
- Key Neighbors:
- 198.244.242.0–198.244.242.4 (medium risk, 40/100 score).
- 198.244.242.81/32 (this IP) is isolated but part of a high-risk subnet.
---
**3. Relationships & DNS**
- DNS Associations:
- Resolves to `proxy-uk007-san81.ahrefs.net` (Ahrefs domain).
- No suspicious email auth (no SPF/DKIM records).
- Network Links:
- Same subnet as OVH network `OVH_282347343` (high abuse classification).
- No direct links to known malicious entities.
---
**4. Historical Trends**
- Observation History:
- Single observation (2026-06-09) with moderate confidence.
- No persistent malicious activity or ownership changes.
- Behavioral Flags:
- No honeypot hits, no TLS/HTTP anomalies, and no HSTS/CSP headers.
---
**5. Recommendations**
1. Monitor Subnet: The 198.244.242.81/24 subnet is high abuse. Investigate if other IPs in the subnet are compromised.
2. Block Subnet: Consider blocking the entire subnet in firewalls (e.g., iptables, Cloudflare WAF) to mitigate potential lateral movement.
3. Validate Ahrefs DNS: Confirm legitimacy of `proxy-uk007-san81.ahrefs.net` to ensure no misconfiguration or compromise.
4. Check for Anomalies: Monitor for unexpected DNS queries or outbound traffic from this IP.
---
Note: This IP appears legitimate but is part of a high-risk subnet. Prioritize subnet-level mitigation over individual IP blocking.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Ahrefs Pte Ltd Dmytro |
| ASN | AS16276 |
| Network Name | — |
| CIDR Block | 198.244.128.0/17 |
| RIR | ARIN |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | proxy-uk007-san81.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk007-san81.ahrefs.net |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 29% | 2 | 4 |
| routing | 33% | 2 | 3 |
| services | 12% | 2 | 2 |
| ownership | 37% | 3 | 6 |
| reputation | 31% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 29% | 12 | 21 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-19 23:49:37 UTC |
| Last Seen | 2026-06-28 10:35:54 UTC |
| Profile Built | 2026-06-29 04:40:50 UTC |
| Data Freshness | Live |
| Signal Types | 25 |
| Total Observations | 31 |
Full dossier details are available via our API.