104.152.52.221
IP Intelligence Briefing: 104.152.52.221
*Generated from IPDebrief analysis (June 2026)*
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**Core Profile**
- Risk Score: 40 (Moderate Risk)
- Ownership: Rethem Hosting LLC (AS14987, ARIN-registered)
- Geolocation: Chicago, IL, US (2500km accuracy radius)
- Network Role: Colocation Hosting (no active services detected)
- Threat Indicators: No direct malicious activity observed; no blacklisted domains or campaigns linked.
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**Key Findings**
1. DNS Associations:
- PTR record points to internettl.org (SPF record present, no DMARC).
- No email authentication (DMARC/SPF mismatches).
2. Subnet Analysis (104.152.52.0/24):
- Abuse Density: 24.59% (moderate risk).
- Neighbor Risk: 42 IPs flagged as medium-risk (max 40), 29 low-risk.
- Notable high-risk neighbors: 104.152.52.60 (40/50 authority score).
3. Historical Observations:
- Scanned on June 2, 2026, with no open ports or active services.
- BGP prefix (104.152.52.0/22) shows stable routing with Rethem Hosting.
4. Relationships:
- Linked to internettl.org (DNS association).
- Part of Rethem Hosting’s network (AS14987).
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**Actionable Insights**
- Monitor Subnet: The 104.152.52.0/24 subnet contains 15 high-risk IPs. Investigate potential lateral movement or shared infrastructure risks.
- DNS Security: Internettl.org lacks DMARC, increasing phishing risk. Validate domain legitimacy and email security practices.
- Hosting Context: As a colocation host, the IP could be used for legitimate services. Verify if it’s part of a compromised network.
- Firewall Rules: Consider blocking high-risk neighbors (e.g., 104.152.52.60) to mitigate subnet-level threats.
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**Recommendations**
- Cross-reference with threat intelligence feeds for internettl.org.
- Flag the subnet for deeper analysis due to moderate abuse density.
- Monitor for changes in BGP routing or service activity on the IP.
*End of Briefing*
*Generated by IPDebrief (© 2026 Jason Alberino)*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Rethem Hosting LLC |
| ASN | AS14987 |
| Network Name | — |
| CIDR Block | — |
| RIR | ARIN |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | internettl.org |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | internettl.org |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Present |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 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 | 31% | 2 | 4 |
| routing | 17% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 26% | 1 | 3 |
| geolocation | 21% | 2 | 2 |
| Overall | 22% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:03:27 UTC |
| Last Seen | 2026-06-22 07:37:37 UTC |
| Profile Built | 2026-06-22 07:45:35 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 28 |
Full dossier details are available via our API.