# IP Intelligence Briefing: 51.195.215.97/32
## Executive Summary
IP address 51.195.215.97 is associated with OVH cloud infrastructure in London, United Kingdom. The IP carries a moderate risk score of 40 and is hosted in a high-abuse density subnet (51.195.215.0/24) with 207 of 256 total siblings flagged as threats. No direct attack indicators were observed on this specific IP, but neighborhood context suggests elevated threat presence.
## Ownership and Infrastructure
- ASN: 16276 (OVH SAS)
- Organization: Ahrefs Pte Ltd Dmytro
- Geolocation: London, England, GB (Europe/London)
- Infrastructure Type: CloudCompute (OVH)
- Registration: ARIN
- DNS: proxy-uk009-san97.ahrefs.net (ahrefs.net domain)
## Risk Assessment
- Overall Risk Score: 40 (Moderate Risk)
- Abuse Confidence Score: Not calculated
- Blacklist Status: Listed on 1 of 8 DNSBL feeds
- Threat Classification: Not flagged as Tor exit, known attacker, spam source, or known campaign
- Network Role: Hosting provider environment with no active services detected
## Neighborhood Analysis
- Subnet Classification: High Abuse
- Abuse Density: 0.8086 (elevated)
- Active Siblings: 211 of 256 addresses
- Threat Siblings: 207
- Inherited Risk: 32
- Risk Distribution: 100 medium-risk neighbors, no high or low-risk addresses detected
## Signal History
- Observation Count: 21 signals recorded
- Recent Activity: Signals observed June 15 and June 20, 2026
- Consistency: Persistent classification as high-abuse subnet with minimal operator score (0.2174)
- Threat Persistence: No persistent malicious behavior detected on this specific IP
## Relationships
- Total Relationships: 37
- Primary Type: Same Network (OVH_282347345)
- Correlated Entities: Network-level associations with 32+ additional IP relationships
## Recommended Actions
Based on risk profile and neighborhood context, the following blocking rules are recommended:
iptables:
```
iptables -A INPUT -s 51.195.215.97 -j DROP
```
nftables:
```
nft add rule inet filter input ip saddr 51.195.215.97 drop
```
nginx:
```
deny 51.195.215.97;
```
Cloudflare WAF:
```
{"description":"Block 51.195.215.97 โ IPDebrief risk score 40", "action":"block", "filter":{"expression":"ip.src eq 51.195.215.97"}}
```
AWS WAF:
```
{"Addresses":["51.195.215.97/32"], "Description":"IPDebrief risk 40"}
```
## Analyst Notes
This IP resides in a high-abuse OVH subnet. While the specific address shows no direct attack indicators and no open services, the 80% abuse density of the /24 subnet warrants caution. Consider blocking at the network perimeter and monitoring for associated activity from neighboring IPs in the 51.195.215.0/24 range. The low operator score suggests minimal operator-level malicious activity, but the subnet-level threat context justifies defensive blocking.
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-uk009-san97.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk009-san97.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 | 2 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 23% | 1 | 2 |
| geolocation | 40% | 2 | 3 |
| Overall | 23% | 10 | 13 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-23 00:21:09 UTC |
| Last Seen | 2026-06-28 20:20:56 UTC |
| Profile Built | 2026-06-29 02:24:54 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 22 |
Full dossier details are available via our API.