51.195.183.183
# IP INTELLIGENCE BRIEFING: 51.195.183.183/32
## EXECUTIVE SUMMARY
IP address 51.195.183.183 is a low-risk residential cloud compute endpoint hosted by OVH (ASN 16276) with a risk score of 25. The IP resolves to aforensics hostname associated with Ahrefs, operates with no open ports or active services, and shows minimal threat indicators.
## OWNERSHIP AND INFRASTRUCTURE
- Organization: Ahrefs Pte Ltd Dmytro
- ASN: 16276 (OVH SAS)
- Infrastructure Type: Cloud Compute / Hosting
- Country: United Kingdom (GB)
- Region/City: England, London
- Network Block: 51.195.0.0/16
- CIDR Block: 51.195.183.183/24
## DNS AND SERVICE PROFILE
- PTR Hostname: proxy-uk003-san183.ahrefs.net
- Forward Resolution: proxy-uk003-san183.ahrefs.net
- Domain: ahrefs.net
- Open Ports: None detected
- Services: Firewalled / No Services
- TLS Certificate: None observed
## THREAT ASSESSMENT
- Overall Risk Score: 25 (Low Risk)
- Abuse Confidence Score: Not applicable
- Blacklist Count: 0
- DNSBL Listings: 1 of 8 lists
- Tor Exit Node: No
- Known Attacker: No
- Spam Source: No
- Known Campaigns: None identified
## NETWORK CONTEXT
The IP resides in subnet 51.195.183.183/24 with a mixed abuse density classification of 0.3359. The subnet contains 256 total IP addresses with 225 active siblings and 86 threat-classified siblings. Risk distribution across the subnet shows: 0 high-risk, 72 medium-risk, and 28 low-risk IPs.
## OBSERVATION HISTORY
Twenty-four signal observations recorded. Recent activity (June 2026) confirms:
- ASN persistence: AS16276 OVH
- Geographic consistency: London, England (GB)
- Network role: Cloud hosting confirmed
- No persistent malicious activity detected
## INTERCONNECTED ENTITIES
Eighty relationship links identified, predominantly same-network relationships with OVH_282347339 network designation.
## RECOMMENDED ACTIONS
No specific firewall rules or blocking recommendations generated. The IP presents low-risk characteristics consistent with legitimate cloud hosting infrastructure.
## INTELLIGENCE ANALYSIS
The IP exhibits characteristics of a legitimate cloud hosting endpoint with minimal threat indicators. The hostname resolution to Ahrefs infrastructure suggests legitimate web proxy usage. While the subnet shows elevated abuse density (0.3359), the target IP itself maintains a low risk profile. SOC analysts should monitor for behavioral changes but no immediate defensive action is warranted based on current threat intelligence.
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*Report generated via IPDebrief intelligence platform. Data based on network observations and threat intelligence feeds.*
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 | — |
| RIR | ARIN |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | proxy-uk003-san183.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk003-san183.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 | Hosting — Infrastructure provider without advanced routing |
🔌 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 | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 37% | 2 | 3 |
| Overall | 24% | 10 | 16 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-08 17:18:08 UTC |
| Last Seen | 2026-06-27 13:57:40 UTC |
| Profile Built | 2026-06-28 08:02:27 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 29 |
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