103.73.162.33
🏢 Ownership & Registration
| Organization | IRT-CACHETELECOMM-HK |
| ASN | AS401696 |
| Network Name | CACHETELECOMM-HK |
| CIDR Block | 103.73.160.0/22 |
| RIR | APNIC |
| Country | HK |
| 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 | 40% (Fair) |
| SPF | Present |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Web Server |
| Network Tier | End-User — Residential ISP endpoint |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| 22 | ssh | tcp | Banner detected |
| Closed Ports | 25, 3389, 8080, 8443 (3 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | starisland.appwww.starisland.app |
| Valid From | 2026-06-18T00:00:00+00:00 |
| Valid Until | 2027-01-02T23:59:59+00:00 |
| TLS Protocol | Tls12 |
| Cipher Suite | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 198 days |
🛡️ Public Network Snapshot
| Origin ASN | AS401696 |
| Network Prefix | 103.73.160.0/22 |
| Route mapping | Found |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Not detected |
🎯 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 | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 35% | 2 | 2 |
| Overall | 22% | 6 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-17 11:03:26 UTC |
| Last Seen | 2026-09-13 23:02:09 UTC |
| Profile Built | 2026-09-11 21:47:01 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 22 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 103.73.162.33
Who owns the IP address 103.73.162.33?
103.73.162.33 is registered to IRT-CACHETELECOMM-HK. The address falls within the 103.73.160.0/22 network block. Registration is held at APNIC.
Where is 103.73.162.33 located?
Geolocation data places 103.73.162.33 in Hong Kong, HK, Hong Kong. The local time zone is Asia/Hong_Kong. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 103.73.162.33 malicious or safe?
103.73.162.33 currently carries a moderate risk assessment, meaning some indicators warrant caution, but the evidence is mixed. This assessment is generated from continuously collected signals and can change over time.
What ports are open on 103.73.162.33?
Responsive ports observed on 103.73.162.33 include 80, 443, 22. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 103.73.162.33 a VPN, proxy, or data center address?
103.73.162.33 is classified as a residential network based on network ownership and behavioural analysis.