199.45.154.139
IP Intelligence Briefing: 199.45.154.139
*Generated via IPDebrief Threat Intelligence Platform*
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**1. Core Profile**
- Risk Score: 65 (Moderate Risk)
- Ownership: Censys, Inc. (ASN 398722)
- Geolocation: New York, NY, US (GeoConsensus: Plausible)
- Threat Indicators: No active malicious indicators, blacklists, or campaigns linked.
- Network Role: Firewalled with no open services (no HTTP/TLS/SSH detected).
- DNS: PTR hostname `139.154.45.199.censys-scanner.com` (linked to Censys scanning infrastructure).
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**2. Observation History**
- High-Risk Listings:
- Flagged in 8 threat feeds (2026-06-18) with high-severity indicators.
- Scanned on 2026-06-02, showing no active services but open ports.
- Subnet Analysis:
- Subnet `199.45.154.0/24` has 0.7083 abuse density (high risk).
- 34/48 sibling IPs are classified as threats.
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**3. Relationships & Context**
- DNS Associations:
- Linked to `censys-scanner.com` (Censys, Inc. infrastructure).
- Network Relationships:
- Part of subnet `CENSY` (likely Censys network).
- No direct ties to known malicious organizations or campaigns.
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**4. Subnet Neighborhood**
- Subnet: `199.45.154.0/24`
- Abuse Density: 70.83% (high risk).
- Neighbor Risks:
- 6 active IPs in subnet.
- 34 neighbors flagged as threats (risk scores up to 65).
- Inherited Risk: 28% (moderate).
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**5. Recommendations**
- Monitor Subnet: The high abuse density in the subnet (`199.45.154.0/24`) warrants continuous monitoring for lateral movement or compromised hosts.
- Block Subnet: Consider blocking the entire subnet in firewall rules due to the elevated risk profile.
- Verify DNS: Validate the Censys scanning infrastructure to ensure no misconfigured or malicious subdomains are being used.
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Conclusion: While the IP itself has no direct malicious indicators, its placement in a high-abuse subnet and historical threat feed activity suggest potential indirect risk. SOC teams should prioritize subnet-level monitoring and investigate neighboring IPs for potential threats.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Censys, Inc. |
| ASN | AS398722 |
| Network Name | — |
| CIDR Block | — |
| RIR | ARIN |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 139.154.45.199.censys-scanner.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 139.154.45.199.censys-scanner.com |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | 43% | 2 | 5 |
| routing | 8% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 29% | 1 | 4 |
| geolocation | 32% | 2 | 3 |
| Overall | 25% | 10 | 18 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:04:06 UTC |
| Last Seen | 2026-06-25 20:09:24 UTC |
| Profile Built | 2026-06-23 04:30:27 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 27 |
Full dossier details are available via our API.