87.236.176.211
IP Intelligence Briefing: 87.236.176.211
Date: 2026-06-11
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**1. Risk Profile**
- Risk Score: 40 (Moderate Risk)
- Provider: Driftnet Hostmaster (AS211298)
- Geolocation: London, UK (GB)
- Network Role: Firewalled / No Services (no open ports, no TLS/HTTP services)
- Threat Indicators: No direct malicious activity detected (no blacklists, spam, or known attacker associations).
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**2. Network Context**
- Subnet: 87.236.176.0/24
- Subnet Abuse Density: 35.96% (mixed risk, 73 threat siblings in subnet)
- Neighbor Risk:
- 1 high-risk neighbor (score 55), 74 medium-risk (40), and 25 low-risk (0–20) IPs.
- Subnet includes 100 total IPs, with 72 active and 203 total siblings.
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**3. Threat Observations**
- DNS Listings:
- Listed in 2 out of 8 DNSBLs (low-severity, no high-risk entries).
- Resolves to `r3-211-d3.monitoring.internet-measurement.com` (no known malicious domains).
- BGP/Network:
- RPKI valid, no route anomalies.
- Operator score: 0.26 (Basic risk rating).
- Historical Activity:
- No persistent malicious behavior (0 threat persistence days).
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**4. Relationships & Connections**
- Linked Entities:
- DNS hostname: `r3-211-d3.monitoring.internet-measurement.com` (no malicious indicators).
- Same network: UK-DRIFTNET-20050831 (abuse contact available via RDAP).
- Email Security:
- SPF and DMARC records present (no email-based threats detected).
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**5. Recommendations**
- Monitor Subnet: The /24 subnet has a 35.96% abuse density with 73 threat siblings. Investigate traffic patterns to identify anomalies.
- Block High-Risk Neighbors: Consider blocking the high-risk neighbor (87.236.176.2, score 55) if it correlates with suspicious activity.
- Verify DNS: Confirm the legitimacy of `r3-211-d3.monitoring.internet-measurement.com` via WHOIS or domain reputation checks.
- No Immediate Action: The IP itself shows no direct malicious indicators, but its subnet warrants closer scrutiny.
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Source: IPDebrief Threat Intelligence Platform | © 2026 Jason Alberino. All rights reserved.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Driftnet Hostmaster |
| ASN | AS211298 |
| Network Name | — |
| CIDR Block | — |
| RIR | RIPE |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | r3-211-d3.monitoring.internet-measurement.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | r3-211-d3.monitoring.internet-measurement.com |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| 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 | |||
| 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 | 13% | 1 | 1 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 27% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 13% | 1 | 1 |
| Overall | 13% | 6 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-26 00:51:19 UTC |
| Last Seen | 2026-06-11 02:52:48 UTC |
| Profile Built | 2026-06-11 02:57:02 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 18 |
Full dossier details are available via our API.