217.12.75.108
🏢 Ownership & Registration
| Organization | Network Operation Center CJSC ER-Telecom Holding Saint-Petersburg branch |
| ASN | AS51570 |
| Network Name | ERTH-SPB-PPPOE-39-NET |
| CIDR Block | 217.12.72.0/22 |
| RIR | RIPE |
| Country | RU |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 217x12x75x108.dynamic.rostov.ertelecom.ru |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 217x12x75x108.dynamic.rostov.ertelecom.ru |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User — Residential ISP endpoint |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS51570 |
| Network Prefix | 217.12.72.0/21 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 0% | 0 | 0 |
| routing | 0% | 0 | 0 |
| services | 0% | 0 | 0 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 17% | 1 | 1 |
| Overall | 2% | 1 | 1 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-03 16:58:13 UTC |
| Last Seen | 2026-08-22 13:36:50 UTC |
| Profile Built | 2026-08-29 10:45:16 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 217.12.75.108
Who owns the IP address 217.12.75.108?
217.12.75.108 is registered to Network Operation Center CJSC ER-Telecom Holding Saint-Petersburg branch. The address falls within the 217.12.72.0/22 network block. Registration is held at RIPE.
Where is 217.12.75.108 located?
Geolocation data places 217.12.75.108 in St Petersburg, St.-Petersburg, Russia. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 217.12.75.108 malicious or safe?
217.12.75.108 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 217.12.75.108?
The reverse DNS (PTR) record for 217.12.75.108 is 217x12x75x108.dynamic.rostov.ertelecom.ru. This hostname is not forward-confirmed, so it should be treated as a weak signal.
Is 217.12.75.108 a VPN, proxy, or data center address?
217.12.75.108 is classified as a residential network based on network ownership and behavioural analysis.