# IP Intelligence Briefing: 139.59.135.40/32
Classification: Low Risk / Standard Cloud Infrastructure
Date: 2026-08-12
Analyst: IPDebrief Intelligence
## Executive Summary
IP 139.59.135.40 is a DigitalOcean cloud compute address located in Frankfurt am Main, Germany (DE). The asset demonstrates a low-risk profile with no observed threat indicators, malicious activity, or blacklist associations. Historical monitoring indicates stable infrastructure with no persistent malicious behavior detected over the observation window.
## Technical Profile
| Attribute | Value |
|---|---|
| **Risk Score** | 0 (Low Risk) |
| **Provider** | DigitalOcean Inc. |
| **ASN** | 14061 (DIGITALOCEAN-AP) |
| **Network** | 139.59.128.0/19 |
| **Location** | Frankfurt am Main, Hesse, DE |
| **Infrastructure Type** | CloudCompute |
| **Service Status** | Firewalled / No Services |
## Threat Assessment
Current Threat Indicators: None
- Blacklist Count: 0
- Known Attacker: False
- Spam Source: False
- Tor Exit Node: False
- Abuse Confidence Score: Not applicable (clean profile)
- Campaign Associations: None identified
Control Plane Analysis:
- DNSSEC Valid: Yes
- Operator Score: 0.1304 (Minimal)
- Route Stability: Stable (no recent route changes)
- DNSBL Listed: 0/8 lists
## Network Neighborhood
Subnet: 139.59.135.0/24
- Abuse Density: 0 (minimal)
- Classification: mostly_clean
- Total Siblings: 1 (neighbor: 139.59.135.96)
- Threat Siblings: 0
- Risk Distribution: All neighbors classified as low-risk or clean
## Historical Analysis
Observation Count: 21 signals over monitoring period
- Threat Persistence Days: 0
- Is Persistently Malicious: False
- Ownership Changes: 0
- Recent Activity: Consistent geolocation (DE), stable provider attribution
Temporal Trends:
- No escalation in risk signals
- No new threat indicators
- No blacklist additions
- Stable network classification
## Network Relationships
- Primary Association: DIGITALOCEAN-AP network
- Related Entities: Network-level associations only
- Correlated IPs: 0
- Certificate Matches: 0
## Recommended Actions
Immediate Actions: None required
Monitoring Recommendations:
1. Continue standard passive monitoring for cloud infrastructure baseline
2. No firewall rules or blocking recommended
3. No DNS filtering actions required
Contextual Notes:
- This IP represents standard DigitalOcean cloud infrastructure
- No services currently listening on open ports
- No reverse DNS records configured
- Infrastructure appears to be properly maintained within cloud provider norms
## Conclusion
IP 139.59.135.40 presents no threat intelligence concerns. The address operates as clean cloud infrastructure with established provider attribution and no adverse security signals. No defensive actions are warranted based on current data.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Digital Ocean Inc administrator |
| ASN | AS14061 |
| Network Name | DIGITALOCEAN-AP |
| CIDR Block | 139.59.128.0/19 |
| RIR | ARIN |
| Country | DE |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
๐ DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
โ๏ธ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting โ Infrastructure provider without advanced routing |
๐ 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 | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 42% | 2 | 5 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 30% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 26% | 10 | 17 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-07-23 13:56:10 UTC |
| Last Seen | 2026-08-12 17:39:35 UTC |
| Profile Built | 2026-08-12 17:59:37 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 23 |
Full dossier details are available via our API.