INTELLIGENCE BRIEFING: IP Address 146.190.83.66/32
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EXECUTIVE SUMMARY
IP address 146.190.83.66 is associated with DigitalOcean, LLC (ASN 14061) and is located in Singapore. The IP exhibits moderate risk (score: 50) with evidence of DNSBL listing (1 of 8 total lists) and no active open services. The subnet environment is clean with zero abuse density.
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OWNERSHIP AND INFRASTRUCTURE
| Attribute | Value |
|---|---|
| Organization | DigitalOcean, LLC |
| ASN | 14061 |
| Network Prefix | 146.190.80.0/20 |
| RIR | ARIN |
| Infrastructure Type | CloudCompute |
| Provider Classification | Yes |
| Hosting | Yes |
| Cloud Platform | Yes |
Control Plane Status:
- Route Stability: False (route changes detected)
- RPKI State: Not validated
- DNSSEC: Valid
- Operator Score: 0.1304 (Minimal)
- Route Changes (30d): 0
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GEOLOCATION
- Country: Singapore (SG)
- City: Singapore
- Coordinates: 1.35, 103.82
- Timezone: Asia/Singapore
- Accuracy Radius: 45 km
- Geo Consensus: True
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THREAT ASSESSMENT
| Indicator | Status |
|---|---|
| Risk Score | 50 (Moderate Risk) |
| Is Tor Exit | No |
| Is Known Attacker | No |
| Is Spam Source | No |
| Blacklist Count | 0 |
| DNSBL Listed | 1 of 8 lists |
| Threat Feeds | None |
| Known Campaigns | None |
| Is Persistently Malicious | No |
Service Exposure:
- Open Ports: None detected
- TLS Certificate: None
- HTTP Banner: None
- Hosted Domains: 0
- Email Authentication: No SPF/DMARC configured
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NEIGHBORHOOD ANALYSIS (146.190.83.0/24)
- Subnet Classification: Clean
- Abuse Density: 0
- Inherited Risk: 0
- Total Siblings: 2
- Active Siblings: 0
- Threat Siblings: 0
- Notable Neighbor: 146.190.83.75 (Risk: 25, Authority: 50)
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OBSERVATION HISTORY
16 total observations recorded. Key historical signals:
- 2026-06-15T05:31:09Z: DNSBL listing detected across 8 lists (2 listed with high severity)
- 2026-06-15T05:27:58Z: Subnet classified as clean with zero abuse density
- 2026-06-15T05:23:53Z: Geo-inference confirmed Singapore coordinates
- 2026-06-20T05:19:06Z: Current operator score 0.1304 (Minimal)
No persistent malicious behavior observed.
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RELATED ENTITIES
The IP shares network relationships with multiple entities classified as "DO-13" (DigitalOcean network designation). No certificate matches, banner matches, or correlated IPs detected.
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RECOMMENDED ACTIONS
Based on risk profile (score: 50), the following blocking rules are recommended:
Firewall Rules:
- iptables: `iptables -A INPUT -s 146.190.83.66 -j DROP`
- nftables: `nft add rule inet filter input ip saddr 146.190.83.66 drop`
- nginx: `deny 146.190.83.66;`
- pfSense: `146.190.83.66/32`
- Cloudflare WAF: Block with expression `ip.src eq 146.190.83.66`
- AWS WAF: Add IP to block list
Action Notes:
- No specific threat indicators justify aggressive blocking
- Consider context before implementing blocking measures
- Verify against internal logs and threat intelligence correlation
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ASSESSMENT CONCLUSION
IP 146.190.83.66 represents a moderate-risk infrastructure asset operating within the DigitalOcean cloud platform in Singapore. While the subnet environment remains clean, the presence of DNSBL listings warrants monitoring. No active exploit campaigns, honeypot hits, or enumeration activity detected. Recommendation: Monitor or block based on organizational risk tolerance and traffic correlation analysis.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ Ownership & Registration
| Organization | DigitalOcean, LLC |
| ASN | AS14061 |
| Network Name | β |
| CIDR Block | β |
| RIR | ARIN |
| Country | β |
| Abuse Contact | Available via RDAP |
π DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No β PTR hostname does not resolve back to this IP (weak signal) |
π DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
βοΈ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Hosting β Infrastructure provider without advanced routing |
π Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | β |
| 443 | https | tcp | β |
| Closed Ports | 22, 25, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | Apache |
| HTTP Title | β |
π TLS Certificate
CN=agen-slot.abcdental.com.co was found on this IP. This may indicate a previously hosted website, a decommissioned service, or stale infrastructure.| SANs | agen-slot.abcdental.com.co |
| Valid From | 2025-11-07T08:24:36+00:00 |
| Valid Until | 2026-02-05T08:24:35+00:00 (expired) |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 89 days |
| Serial Number | 0666A3B2C5BCFBAEFD90E805AA8684218FEE |
| Thumbprint | E72A2C04CE9ADAE71937E2ED35E0CC8C81D9645C |
π― Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 36% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 35% | 2 | 3 |
| ownership | 24% | 2 | 3 |
| reputation | 26% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 27% | 10 | 17 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-05-18 15:25:32 UTC |
| Last Seen | 2026-06-28 07:26:01 UTC |
| Profile Built | 2026-06-29 01:32:23 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 23 |
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