223.166.226.120
IP Intelligence Dossier
Your IP: 216.73.217.131
🏢 Ownership & Registration
| Organization | ChinaUnicom Hostmaster |
| ASN | AS17621 |
| Network Name | UNICOM-SH |
| CIDR Block | 223.166.0.0/15 |
| 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 | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
No certificate
Issued by —
N/A
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS17621 |
| Network Prefix | 223.166.0.0/16 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
Coverage: 4/6 dimensions · Data sufficiency: partial
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-07 06:27:50 UTC |
| Last Seen | 2026-08-26 18:39:25 UTC |
| Profile Built | 2026-08-29 07:41:46 UTC |
| Data Freshness | Live |
| Signal Types | 16 |
| Total Observations | 17 |
🔍 16 signal types · 17 observations collected
This report is generated from 16+ 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.
❓ Frequently Asked Questions About 223.166.226.120
Who owns the IP address 223.166.226.120?
223.166.226.120 is registered to ChinaUnicom Hostmaster. The address falls within the 223.166.0.0/15 network block. Registration is held at APNIC.
Where is 223.166.226.120 located?
Geolocation data places 223.166.226.120 in Shanghai, Shanghai, China. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 223.166.226.120 malicious or safe?
223.166.226.120 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
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.