81.205.157.109
81.205.157.109 is an IPv4 address operated by KPN - KPN B.V., NL (AS1136), with approximate network location The Hague, Netherlands. Its reverse DNS name is 81-205-157-109.fixed.kpn.net. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | KPN-MNT |
| ASN | AS1136 |
| Network Name | KPN |
| CIDR Block | 81.205.0.0/16 |
| RIR | RIPE |
| Network registration country | NL |
| Routing operator | KPN - KPN B.V., NL |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 81-205-157-109.fixed.kpn.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 81-205-157-109.fixed.kpn.net |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| caa | Present / verified kpn.net |
| spf | Unknown / lookup inconclusive 81-205-157-109.fixed.kpn.net |
| dmarc | Unknown / lookup inconclusive _dmarc.81-205-157-109.fixed.kpn.net |
| dnssec | Unknown / lookup inconclusive 109.157.205.81.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive 81-205-157-109.fixed.kpn.net |
☁️ 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
| Port | Latest capture attempt |
|---|---|
| 443 | Certificate not captured; current certificate unknown (unreachable) |
| 8443 | Certificate not captured; current certificate unknown (unreachable) |
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS1136 |
| Network Prefix | 81.204.0.0/14 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 30% | 2 | 5 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 31% | 2 | 5 |
| reputation | 23% | 1 | 4 |
| geolocation | 25% | 2 | 3 |
| Overall | 21% | 10 | 20 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-11 08:23:21 UTC |
| Last Seen | 2026-11-13 18:54:14 UTC |
| Profile Built | 2026-11-13 19:07:38 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 36 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 81.205.157.109
Who owns the IP address 81.205.157.109?
81.205.157.109 is registered to KPN-MNT. The address falls within the 81.205.0.0/16 network block. Registration is held at RIPE.
Where is 81.205.157.109 located?
Geolocation data places 81.205.157.109 in The Hague, South Holland, Netherlands. The local time zone is Europe/Amsterdam. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 81.205.157.109 malicious or safe?
81.205.157.109 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 81.205.157.109?
The reverse DNS (PTR) record for 81.205.157.109 is 81-205-157-109.fixed.kpn.net. This hostname is forward-confirmed, meaning it resolves back to the same address.