121.237.51.147
IP Intelligence Dossier
Your IP: 216.73.216.123
🤖 Witness AIThis summary was generated by AI and may contain inaccuracies. Verify critical details independently.
IP Intelligence Briefing: 121.237.51.147
*Generated using IPDebrief tools: Profile, History, Relationships, & Neighbors*
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**1. Risk Profile**
- Risk Score: 40 (Moderate Risk)
- Ownership: China Telecom (AS4134, CHINANET-JS)
- Geolocation: China (Shanghai), Latitude 34.77, Longitude 113.72
- Threat Indicators: Clean; no malicious activity, spam, or known attacker associations detected.
- Network Role: Mobile carrier (China Telecom) with LTE/5G technology.
- Control Plane: BGP prefix 121.224.0.0/12; DNSSEC validated; no route instability.
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**2. Observation History (30-Day Window)**
- Abuse Density: 0 (clean subnet).
- DNSBL Listings: Listed on 2/8 DNSBLs (high-severity lists).
- Ownership Stability: No changes; persistent ownership since 2006.
- Threat Persistence: No observed malicious campaigns or persistent threats.
- Routing Stability: Route stability score 0.13 (minimal risk).
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**3. Relationships**
- Network Affiliation: Linked to CHINANET-JS (China Telecom backbone network).
- No External Relationships: No subnets, hostnames, or certificates tied to this IP.
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**4. Neighborhood Analysis**
- Subnet: 121.237.51.147/24
- Neighbor Count: 0 active IPs in subnet; no siblings or threats detected.
- Abuse Density: 0% (clean subnet).
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**5. Recommendations**
- Monitor: Track DNSBL listings and routing stability, as the IP is part of a high-profile mobile carrier network.
- Block/Allow: Consider blocking based on DNSBL status, but no immediate action is required due to low risk.
- Contextual Analysis: Investigate if this IP is part of a broader network showing suspicious activity.
Note: No critical threats detected. This IP appears to be a legitimate mobile carrier IP with no active malicious indicators.
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*Generated by IPDebrief. Data as of 2026-06-09.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Chinanet Hostmaster |
| ASN | AS4134 |
| Network Name | CHINANET-JS |
| CIDR Block | 121.224.0.0/12 |
| RIR | APNIC |
| Country | CN |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Mobile |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
No certificate
Issued by —
N/A
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 13% | 1 | 1 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 30% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 13% | 1 | 1 |
| Overall | 14% | 6 | 7 |
Coverage: 5/6 dimensions · Data sufficiency: partial
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-20 11:45:13 UTC |
| Last Seen | 2026-06-09 02:49:25 UTC |
| Profile Built | 2026-06-09 02:53:10 UTC |
| Data Freshness | Live |
| Signal Types | 14 |
| Total Observations | 14 |
🔍 14 signal types · 14 observations collected
This report is generated from 14+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
Full dossier details are available via our API.
ℹ️ About This Report
All data shown is publicly available network metadata — IP addresses do not reliably identify individuals.
Assessments are probabilistic and should not be used as sole basis for access control decisions.
To report an issue or request data review, contact admin@ipdebrief.com.