51.195.244.221📋 Copy

# IP Intelligence Briefing: 51.195.244.221/32

## Executive Summary

IP 51.195.244.221 is a cloud hosting infrastructure endpoint operated by OVH in London, England, presenting moderate risk (score: 40) with high subnet-level abuse activity. The IP resolves to an Ahrefs domain but shows no active services, no known threat indicators, and no open ports.

## Ownership and Infrastructure

• ASN: 16276 (OVH)
• Organization: Ahrefs Pte Ltd Dmytro
• Infrastructure Type: CloudCompute / Hosting
• Geolocation: London, England, GB (validated via 5 probes, 473.7 km from claimed position)
• DNS Resolution: proxy-uk000-san221.ahrefs.net (ahrefs.net)
• Services: No open ports detected; connection appears firewalled

## Risk Assessment

• Overall Risk Score: 40/100 (Moderate Risk)
• Abuse Confidence: Not applicable (no active threat indicators)
• Blacklist Status: Listed on 1 of 8 DNSBL feeds (max severity: high)
• Network Role: Cloud hosting provider infrastructure
• Known Campaigns: None identified

## Neighborhood Analysis

The IP resides in subnet 51.195.244.0/24, which exhibits elevated abuse characteristics:

• Subnet Classification: High abuse density (0.8281)
• Inherited Risk Score: 33
• Subnet Statistics: 256 total siblings, 220 active, 212 threat-classified
• Risk Distribution: 100 medium-risk neighbors, no high-risk neighbors detected

## Historical Observations

Analysis of 21 historical observations reveals:

• Recent DNS blacklist activity (June 2026)
• Consistent subnet abuse classification
• Validated geolocation with minimal RTT variance (86-91ms)
• No persistent malicious behavior patterns detected

## Recommended Actions

Based on risk profile and neighborhood context, the following firewall rules are recommended:

iptables:

```

iptables -A INPUT -s 51.195.244.221 -j DROP

```

nftables:

```

nft add rule inet filter input ip saddr 51.195.244.221 drop

```

Cloudflare WAF:

```json

{

"description": "Block 51.195.244.221 — IPDebrief risk score 40",

"action": "block",

"filter": {

"expression": "ip.src eq 51.195.244.221"

}

}

```

AWS WAF:

```json

{

"Addresses": ["51.195.244.221/32"],

"Description": "IPDebrief risk 40"

}

```

## Intelligence Notes

While the IP lacks active threat indicators and no services are publicly accessible, the subnet context suggests potential for abuse. The moderate risk score combined with high subnet abuse density warrants monitoring. No correlation to known APT campaigns or coordinated malicious activity was identified. The IP should be blocked at network perimeter and monitored for any changes in behavior or service exposure.

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.