121.43.67.153
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: 121.43.67.153
Date: 2026-06-09
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**Risk Assessment**
- Overall Risk Score: Low (25/100)
- Threat Indicators: No malicious activity detected (no malware, phishing, or C2 indicators).
- DNSBL Listing: Flagged in 1 of 8 DNSBLs (low confidence, likely false positive).
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**Ownership & Geolocation**
- ISP: ALIBABA-CN-NET (ASN 37963, APNIC)
- Location: Hangzhou, Zhejiang, China (30.29°N, 120.17°E)
- Network: Part of 121.42.0.0/15 subnet, registered to "security trouble" (ALISOFT).
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**Network Behavior**
- Services: No open ports or TLS/HTTP services detected.
- BGP: Route stability flagged as "Minimal" operator risk (0.13 score).
- Subnet Abuse: 0% abuse density in 121.43.67.0/24 subnet.
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**Historical Observations**
- Recent Activity:
- DNSBL listing (2026-06-09, low confidence).
- Network ownership confirmed via Cymru DNS (2026-06-09).
- No persistent threat activity or ownership changes.
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**Relationships**
- Linked Entities:
- Same network as ALIBABA-CN-NET (AS37963).
- No known connections to Tor, CDN, or malicious infrastructure.
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**Neighbor Analysis**
- Subnet: 121.43.67.0/24 (0 active IPs, 0 risky siblings).
- Abuse Density: 0% (no malicious neighbors).
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**Recommendations**
- Monitor: Track DNSBL listings and network ownership changes.
- No Action Required: No immediate mitigation needed for this IP.
- Context: Likely a low-risk corporate IP with no active threats.
End of Briefing
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | security trouble |
| ASN | AS37963 |
| Network Name | ALISOFT |
| CIDR Block | 121.40.0.0/14 |
| 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 | 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 | |||
| 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 | 2026-05-22 03:08:11 UTC |
| Last Seen | 2026-06-09 16:40:03 UTC |
| Profile Built | 2026-06-09 17:08:28 UTC |
| Data Freshness | Live |
| Signal Types | 14 |
| Total Observations | 26 |
🔍 14 signal types · 26 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.