121.202.142.137
121.202.142.137 is an IPv4 address operated by SMARTONE-MB-AS-AP - SmarTone Mobile Communications Ltd, HK (AS17924), with approximate network location Tin Shui Wai, Hong Kong. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Eric Chan |
| ASN | AS17924 |
| Network Name | SMARTONE-MB |
| CIDR Block | 121.202.0.0/15 |
| RIR | APNIC |
| Network registration country | HK |
| Routing operator | SMARTONE-MB-AS-AP - SmarTone Mobile Communications Ltd, 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 Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| caa | Not found at queried name com |
| spf | Not checked |
| dmarc | Not checked |
| dnssec | Unknown / lookup inconclusive 137.142.202.121.in-addr.arpa |
| fcrDns | Not checked |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Single-Service Host |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| Closed Ports | 22, 25, 443, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS17924 |
| Network Prefix | 121.202.142.0/24 |
| 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 | 25% | 1 | 1 |
| Overall | 20% | 5 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Recent
| First Seen | 2026-10-24 09:43:45 UTC |
| Last Seen | 2026-11-08 10:24:14 UTC |
| Profile Built | 2026-11-14 07:03:28 UTC |
| Data Freshness | Recent |
| Signal Types | 21 |
| Total Observations | 31 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 121.202.142.137
Who owns the IP address 121.202.142.137?
121.202.142.137 is registered to Eric Chan. The address falls within the 121.202.0.0/15 network block. Registration is held at APNIC.
Where is 121.202.142.137 located?
Geolocation data places 121.202.142.137 in Tin Shui Wai, Yuen Long District, Hong Kong. The local time zone is Asia/Hong_Kong. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 121.202.142.137 malicious or safe?
121.202.142.137 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.
What ports are open on 121.202.142.137?
Responsive ports observed on 121.202.142.137 include 80. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.