81.33.74.241
🏢 Ownership & Registration
| Organization | Administradores Telefonica de Espana |
| ASN | AS3352 |
| Network Name | RIMA |
| CIDR Block | 81.33.0.0/16 |
| RIR | RIPE |
| Country | ES |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 241.red-81-33-74.dynamicip.rima-tde.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 241.red-81-33-74.dynamicip.rima-tde.net |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Mobile |
| 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 | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS3352 |
| Network Prefix | 81.33.0.0/16 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 12% | 2 | 2 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 17% | 2 | 3 |
| reputation | 8% | 1 | 2 |
| geolocation | 20% | 2 | 2 |
| Overall | 13% | 10 | 12 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-13 15:25:19 UTC |
| Last Seen | 2026-09-03 01:24:47 UTC |
| Profile Built | 2026-09-03 01:26:49 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 24 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 81.33.74.241
Who owns the IP address 81.33.74.241?
81.33.74.241 is registered to Administradores Telefonica de Espana. The address falls within the 81.33.0.0/16 network block. Registration is held at RIPE.
Where is 81.33.74.241 located?
Geolocation data places 81.33.74.241 in Madrid, Madrid, Spain. The local time zone is Europe/Madrid. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 81.33.74.241 malicious or safe?
81.33.74.241 currently carries a moderate risk assessment, meaning some indicators warrant caution, but the evidence is mixed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 81.33.74.241?
The reverse DNS (PTR) record for 81.33.74.241 is 241.red-81-33-74.dynamicip.rima-tde.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 81.33.74.241 a VPN, proxy, or data center address?
81.33.74.241 is classified as a mobile network based on network ownership and behavioural analysis.