81.205.156.88
IP Intelligence Briefing: 81.205.156.88
*Generated via IPDebrief Analysis*
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Ownership:
- AS: AS1136 (KPN-MNT)
- Organization: KPN B.V. (Netherlands)
- Geolocation: The Hague, South Holland, Netherlands (52.07°N, 4.32°E)
- Network Role: Firewalled host with no open services or TLS certificates detected.
- Threat Indicators: Clean. No malware, phishing, or malicious activity observed.
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**2. Observation History**
- Latest Activity: June 6, 2026 (confidence 0.75).
- Key Signals:
- Linked to KPN infrastructure (AS1136).
- DNS resolution to `81-205-156-88.fixed.kpn.net`.
- Geolocation consistency with Netherlands.
- No Recent Threats: No malicious campaigns, spam, or DNS-based attacks detected.
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**3. Relationships**
- Network Associations:
- Same AS (AS1136) and subnet (81.204.0.0/14).
- DNS hostnames: `81-205-156-88.fixed.kpn.net` (multiple resolved).
- Email Security: SPF and DMARC records detected for `kpn.net`.
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**4. Neighborhood Analysis**
- Subnet: 81.205.156.88/24.
- Neighbor Data: No active siblings or threats in the subnet (abuse density: 0).
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**5. Recommendations**
- Monitoring: No immediate action required.
- SOC Action:
- Verify DNS records and ensure no unauthorized subdomains.
- Monitor for unexpected BGP route changes or subnet activity.
- Maintain baseline for geolocation consistency.
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*End of Briefing*
*Generated by IPDebrief | Copyright © 2026 Jason Alberino*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | KPN-MNT |
| ASN | AS1136 |
| Network Name | — |
| CIDR Block | — |
| RIR | RIPE |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 81-205-156-88.fixed.kpn.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 81-205-156-88.fixed.kpn.net |
🔐 DNS Hygiene
| Hygiene Score | 100% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Present |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 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 | 31% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 20% | 2 | 3 |
| reputation | 19% | 1 | 3 |
| geolocation | 35% | 2 | 3 |
| Overall | 21% | 9 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-11 21:11:34 UTC |
| Last Seen | 2026-06-26 13:05:23 UTC |
| Profile Built | 2026-06-26 13:38:11 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 21 |
Full dossier details are available via our API.