37.221.139.203
IP Intelligence Briefing: 37.221.139.203
Date: 2026-05-29
---
**1. Profile Summary**
- Risk Score: 55 (Moderate Risk)
- Owner: Radio Service Ltd. (ASN 62384, Ukraine)
- Geolocation: Ukraine (UA), no city/region data.
- Network Role: Firewalled / No Services (no open ports, TLS, or HTTP detected).
- Threat Indicators: No direct malicious activity (no blacklists, campaigns, or scans).
- Control Plane: BGP prefix `37.221.128.0/20` with route instability (score 0.13).
---
**2. Observation History**
- Recent Activity (2026-05-29):
- BGP observation (Team-Cymru DNS) linked to Radio Service Ltd.
- Network scan detected no open services (ports scanned but no responses).
- Subnet abuse density: 45.45% (mixed classification).
- DNSSEC validation: Valid.
---
**3. Relationships**
- Linked Entities:
- Same network: `RADIOSERVICE-201712` (repeated 26 times).
- No external organizations, domains, or certificates tied to this IP.
---
**4. Neighborhood Analysis**
- Subnet: `37.221.139.203/24`
- Abuse Density: 45.45% (12 total siblings, 5 flagged as threats).
- Key Neighbors:
- High Risk: 37.221.139.46 (80), 37.221.139.124 (55), 37.221.139.90 (55).
- Low Risk: 37.221.139.15 (0), 37.221.139.74 (0).
- Inherited Risk: 12 (substantial threat presence in subnet).
---
**5. Recommendations**
- Monitor Neighbors: Focus on high-risk neighbors (e.g., 37.221.139.46, 37.221.139.124).
- Investigate BGP Stability: Route instability may indicate network misconfiguration or malicious activity.
- Check for Enumeration: Scan for open ports/services (no active services detected).
- Watch for Subnet Abuse: High abuse density suggests potential for lateral movement or compromised hosts.
Next Steps: Cross-reference with internal logs, monitor traffic patterns, and validate DNSSEC compliance.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Radio Service Ltd. |
| ASN | AS62384 |
| Network Name | — |
| CIDR Block | — |
| RIR | RIPE |
| Country | — |
| 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 | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| 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 | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 33% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 22% | 1 | 3 |
| geolocation | 19% | 2 | 2 |
| Overall | 22% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-13 06:38:24 UTC |
| Last Seen | 2026-06-21 18:29:42 UTC |
| Profile Built | 2026-06-06 19:17:21 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 28 |
Full dossier details are available via our API.