192.210.213.176
IP Intelligence Briefing: 192.210.213.176
Date: 2026-06-17
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**Risk Profile**
- Overall Risk: Moderate (Risk Score: 40)
- Provider: RackNerd LLC (AS36352, ARIN)
- Geolocation: Marietta, GA, US (geo-plausible: false due to RTT anomaly)
- Threat Indicators: No malicious activity detected (no indicators, blacklists, or campaigns).
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**Network & DNS**
- Firewalled/No Services: No open ports or TLS services detected.
- DNS:
- PTR hostname: `mail2.sdjingao.com` (forward resolution confirmed).
- Email security: Missing SPF/DMArc records.
- No hosted domains or email authentication.
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**Observation History**
- Stability: Minimal changes (0 route changes in 30 days).
- Geolocation Validation: ICMP blocked; RTT discrepancy suggests spoofed location.
- Network Role: Residential-like subnet (192.210.213.0/24) with no CDN/VPN/cloud indicators.
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**Relationships**
- Subnet: Linked to `192.210.213.0/24` (abuse density: 0%).
- Hostnames: Associated with `mail2.sdjingao.com` (DNS PTR).
- No Threat Links: No correlated IPs, certificates, or campaigns.
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**Neighborhood**
- Subnet Neighbors: 0 active IPs detected.
- Abuse Density: Low (0% malicious siblings).
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**SOC Recommendations**
1. Monitor DNS: Investigate `sdjingao.com` for misconfigurations or phishing risks.
2. Verify Geolocation: Confirm if the IP’s claimed location is spoofed or misconfigured.
3. Check Email Security: Ensure `sdjingao.com` implements SPF/DMArc to prevent email spoofing.
4. Maintain Network Segmentation: Ensure firewalled subnet (192.210.213.0/24) is isolated from critical assets.
No immediate mitigation required due to lack of active threats, but ongoing monitoring is advised.
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*Generated via IPDebrief intelligence tools.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | RackNerd LLC |
| ASN | AS36352 |
| Network Name | — |
| CIDR Block | — |
| RIR | ARIN |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | mail2.sdjingao.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | mail2.sdjingao.com |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| 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 | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 30% | 2 | 3 |
| routing | 8% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 17% | 1 | 2 |
| geolocation | 32% | 2 | 3 |
| Overall | 21% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:04:03 UTC |
| Last Seen | 2026-06-23 02:40:58 UTC |
| Profile Built | 2026-06-23 02:53:39 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 23 |
Full dossier details are available via our API.