# IP INTELLIGENCE BRIEFING: 198.244.168.3/32
## Executive Summary
198.244.168.3 is a cloud-hosted IP address associated with OVH SAS infrastructure, resolving to the ahrefs.net domain. The IP carries a moderate risk score of 40 and operates within a high-abuse subnet (198.244.168.0/24) with significant threat activity. The address is currently firewalled with no open services, but presents elevated neighborhood risk due to 165 malicious siblings in the /24 subnet.
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## Technical Profile
| Attribute | Value |
|---|---|
| **IP Address** | 198.244.168.3/32 |
| **Risk Score** | 40 (Moderate Risk) |
| **Provider** | OVH SAS (AS16276) |
| **Organization** | Ahrefs Pte Ltd Dmytro |
| **Geolocation** | London, England, GB |
| **Infrastructure** | CloudCompute (Cloud-hosted) |
| **DNS Resolution** | proxy-uk001-san3.ahrefs.net |
| **Hosted Domain** | ahrefs.net |
| **Network Role** | Firewalled / No Services |
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## Threat Intelligence Assessment
Direct Threat Indicators: None detected at IP level. The IP is not classified as a Tor exit node, known attacker, or spam source. Direct blacklist count shows 0 in the current profile, though historical data indicates 1 out of 8 blacklist listings with "high" severity classification.
Neighborhood Risk Analysis: The /24 subnet (198.244.168.0/24) demonstrates elevated abuse characteristics:
- Abuse Density: 0.6445 (high_abuse classification)
- Active Siblings: 151 out of 256 total addresses
- Threat Siblings: 165 IPs classified as malicious
- Risk Distribution: 100 medium-risk neighbors, 0 high-risk neighbors detected
- Inherited Risk Score: 25
Geolocation Validation: Geo-validation confirms plausible London location with minimum possible RTT of 9.5ms and average RTT of 94.4ms across 5 probes.
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## Historical Observation Analysis
Observation Count: 23 signals recorded
Key Historical Signals:
1. Subnet Abuse Classification: Confirmed high-abuse subnet with 0.6445 abuse density (2026-06-14)
2. Geolocation Verification: London area coordinates (51.4964, -0.1224) with 473.7 km distance validation (2026-06-14)
3. DNS Resolution: ahrefs.net domain with CAA records present (2026-06-14)
4. ASN Attribution: AS16276 ovh sas with threat feed correlations (2026-06-14)
5. Blacklist Status: 1 of 8 blacklist listings, maximum severity rated as "high" (2026-06-14)
Temporal Persistence: No persistent malicious activity detected. Threat observation count shows single observation event with 0 threat persistence days.
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## Network Relationships
The IP maintains relationships with 60 network entities, primarily classified as "Same Network" entries pointing to OVH_282347337 network prefix. The control plane indicates stable BGP routing within the 198.244.128.0/17 prefix.
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## Recommended Security Actions
Firewall Recommendations:
- iptables: `iptables -A INPUT -s 198.244.168.3 -j DROP`
- nftables: `nft add rule inet filter input ip saddr 198.244.168.3 drop`
- nginx: `deny 198.244.168.3;`
- pfSense: Block 198.244.168.3/32
- Cloudflare WAF: Block expression `ip.src eq 198.244.168.3`
- AWS WAF: Add address set containing 198.244.168.3/32
Action Priority: MEDIUM. The IP presents moderate individual risk but operates within a high-abuse subnet with 165 malicious siblings. Blocking is recommended, particularly for web services and mail servers. Consider blocking the entire /24 subnet if traffic patterns justify network-wide protection.
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## Intelligence Confidence
Data Sources: 8+ geolocation sources, 5 probes, multiple threat feeds
Confidence Level: HIGH
Last Updated: 2026-06-14
Recommended Review Frequency: Quarterly or upon detection of related malicious activity
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-san3.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk001-san3.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 | 29% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 30% | 2 | 3 |
| Overall | 23% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-08 05:02:03 UTC |
| Last Seen | 2026-06-27 12:32:58 UTC |
| Profile Built | 2026-06-28 12:36:57 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 28 |
Full dossier details are available via our API.