37.221.137.136
37.221.137.136 is an IPv4 address operated by Radio Service Ltd. (AS62384), geolocated to Lviv, Ukraine. As of October 7, 2026, IPDebrief rates it Moderate Risk (40/100); no anonymizing service was detected.
Intelligence assessment identified IP 37.221.137.136/32 as a Moderate Risk host with a risk score of 55. The address was registered to Radio Service Ltd. under ASN 62384 within the 37.221.128.0/20 block, located in Lviv, Ukraine. Network observations indicated a single open TCP port 22 (SSH). The endpoint was classified as a Blacklisted Host and listed on three DNS blocklists. Control plane analysis revealed poor DNS hygiene and generated a high severity recommendation to block the address due to elevated risk from multiple threat signals. The IP was first observed on 2026-07-15
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Radio Service Ltd. |
| ASN | AS62384 |
| Network Name | RADIOSERVICE-201712 |
| CIDR Block | 37.221.128.0/20 |
| RIR | RIPE |
| Country | UA |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
🔐 DNS Hygiene
| Hygiene Score | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ 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 | — |
🛡️ Public Network Snapshot
| Origin ASN | AS62384 |
| Network Prefix | 37.221.128.0/19 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 36% | 2 | 6 |
| routing | 8% | 1 | 1 |
| services | 20% | 2 | 3 |
| ownership | 17% | 2 | 3 |
| reputation | 18% | 1 | 4 |
| geolocation | 33% | 2 | 5 |
| Overall | 22% | 10 | 22 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-15 16:16:40 UTC |
| Last Seen | 2026-10-07 01:35:00 UTC |
| Profile Built | 2026-10-07 01:35:44 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 25 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 37.221.137.136
Who owns the IP address 37.221.137.136?
37.221.137.136 is registered to Radio Service Ltd.. The address falls within the 37.221.128.0/20 network block. Registration is held at RIPE.
Where is 37.221.137.136 located?
Geolocation data places 37.221.137.136 in Lviv, 15, Ukraine. The local time zone is Europe/Kyiv. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 37.221.137.136 malicious or safe?
37.221.137.136 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.