121.29.5.109
121.29.5.109 is an IPv4 address operated by ChinaUnicom Hostmaster (AS4837), geolocated to Beijing, China. It belongs to a mobile network. As of September 2, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | ChinaUnicom Hostmaster |
| ASN | AS4837 |
| Network Name | UNICOM-HE |
| CIDR Block | 121.28.0.0/15 |
| 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 | 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 | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS4837 |
| Network Prefix | 121.28.0.0/15 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 21% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 40% | 2 | 6 |
| reputation | 8% | 1 | 2 |
| geolocation | 17% | 2 | 3 |
| Overall | 18% | 10 | 18 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-14 09:42:42 UTC |
| Last Seen | 2026-10-06 09:46:39 UTC |
| Profile Built | 2026-09-02 01:13:33 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 26 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 121.29.5.109
Who owns the IP address 121.29.5.109?
121.29.5.109 is registered to ChinaUnicom Hostmaster. The address falls within the 121.28.0.0/15 network block. Registration is held at APNIC.
Where is 121.29.5.109 located?
Geolocation data places 121.29.5.109 in Beijing, Beijing, China. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 121.29.5.109 malicious or safe?
121.29.5.109 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.
Is 121.29.5.109 a VPN, proxy, or data center address?
121.29.5.109 is classified as a mobile network based on network ownership and behavioural analysis.