37.221.157.87
37.221.157.87 is an IPv4 address operated by Radio Service Ltd. (AS62384), geolocated to Lviv, Ukraine. As of November 5, 2026, IPDebrief rates it High Risk (80/100); no anonymizing service was detected.
## THREAT INTELLIGENCE BRIEFING
Target: 37.221.157.87/32
Classification: Low Risk Infrastructure IP
Date: 2026-07-24
EXECUTIVE SUMMARY
IP 37.221.157.87 is a low-risk infrastructure address assigned to Radio Service Ltd. (ASN 62384). The IP is currently firewalled with no active services, no detected threat indicators, and zero persistent malicious activity. While the /24 neighborhood shows moderate abuse density (0.081), this specific host remains clean.
OWNERSHIP & GEOLOCATION
- Organization: Radio Service Ltd.
- Network: RADIOSERVICE-201801 (37.221.144.0/20)
- ASN: 62384 (RIPE)
- Geolocation: Ukraine (UA), Lviv region
- Registration: RIPE RIR
RISK PROFILE
| Metric | Value |
|---|---|
| Risk Score | 30 (Low Risk) |
| Reputation | Low Risk |
| Abuse Confidence | N/A |
| Blacklist Count | 0 |
| DNSBL Listings | 2/8 lists |
| Honeypot Hits | 0 |
| WAF Violations | 0 |
THREAT INDICATORS
- Tor Exit Node: No
- Known Attacker: No
- Spam Source: No
- Known Campaigns: None
- Threat Persistence: 0 days
- Observation Count: 0
NETWORK STATE
- Service Status: Firewalled / No Services
- Open Ports: None detected
- TLS Certificates: None
- DNS: No PTR records, no forward resolution, no hosted domains
- Email Auth: No SPF/DMARC records
- Route Stability: Unstable (false)
- DNSSEC: Valid
NEIGHBORHOOD ANALYSIS (37.221.157.0/24)
- Total Siblings: 38
- Active Siblings: 20
- Abuse Density: 0.081 (moderate)
- Risk Distribution: 3 high, 27 medium, 7 low
- Threat Siblings: 1
Notable High-Risk Neighbors:
- 37.221.157.161 (Risk: 80)
- 37.221.157.212 (Risk: 80)
- 37.221.157.245 (Risk: 80)
OBSERVATION HISTORY
15 observations recorded through 2026-07-24. No ownership changes detected. Threat persistence days: 0. No persistent malicious activity observed.
SOC ACTIONS & RECOMMENDATIONS
1. BLOCK: No immediate blocking required. IP classified as low risk with no active services.
2. MONITOR: Add to monitoring list due to moderate neighborhood abuse density. Watch for service activation.
3. FW RULE: If traffic observed, allow with logging; no deny rule recommended.
4. NEIGHBOR CONTEXT: Investigate high-risk neighbors (37.221.157.161, .212, .245) if similar traffic patterns emerge.
INTELLIGENCE CONCLUSION
This IP represents benign infrastructure with no active threat indicators. The moderate neighborhood risk score (0.081 abuse density) suggests the /24 contains some problematic addresses, but 37.221.157.87 remains clean. No defensive action required at this time.
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-201801 |
| CIDR Block | 37.221.144.0/20 |
| 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 | 20% | 2 | 4 |
| routing | 28% | 1 | 4 |
| services | 8% | 2 | 2 |
| ownership | 7% | 2 | 3 |
| reputation | 8% | 1 | 2 |
| geolocation | 14% | 2 | 3 |
| Overall | 14% | 10 | 18 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-08 13:03:26 UTC |
| Last Seen | 2026-11-05 05:34:43 UTC |
| Profile Built | 2026-11-05 05:43:27 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 62 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 37.221.157.87
Who owns the IP address 37.221.157.87?
37.221.157.87 is registered to Radio Service Ltd.. The address falls within the 37.221.144.0/20 network block. Registration is held at RIPE.
Where is 37.221.157.87 located?
Geolocation data places 37.221.157.87 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 37.221.157.87 malicious or safe?
37.221.157.87 currently carries a high risk assessment, meaning indicators associated with malicious or abusive activity have been observed. This assessment is generated from continuously collected signals and can change over time.