37.112.43.156
🏢 Ownership & Registration
| Organization | Network Operation Center CJSC ER-Telecom Holding Bryansk branch |
| ASN | AS57044 |
| Network Name | ERTH-BRYANSK-PPPOE-5-NET |
| CIDR Block | 37.112.40.0/21 |
| RIR | RIPE |
| Country | RU |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 37x112x43x156.dynamic.bryansk.ertelecom.ru |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 37x112x43x156.dynamic.bryansk.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 | |||
| 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 | AS57044 |
| Network Prefix | 37.112.40.0/22 |
| 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 | 25% | 1 | 1 |
| Overall | 4% | 1 | 1 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-02 04:21:50 UTC |
| Last Seen | 2026-08-24 11:34:18 UTC |
| Profile Built | 2026-08-29 09:51:46 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 21 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 37.112.43.156
Who owns the IP address 37.112.43.156?
37.112.43.156 is registered to Network Operation Center CJSC ER-Telecom Holding Bryansk branch. The address falls within the 37.112.40.0/21 network block. Registration is held at RIPE.
Where is 37.112.43.156 located?
Geolocation data places 37.112.43.156 in Bryansk, Bryansk Oblast, Russia. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 37.112.43.156 malicious or safe?
37.112.43.156 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 37.112.43.156?
The reverse DNS (PTR) record for 37.112.43.156 is 37x112x43x156.dynamic.bryansk.ertelecom.ru. This hostname is not forward-confirmed, so it should be treated as a weak signal.
Is 37.112.43.156 a VPN, proxy, or data center address?
37.112.43.156 is classified as a residential network based on network ownership and behavioural analysis.