175.178.163.21 is an IPv4 address operated by TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited, CN (AS45090), with approximate network location Guangzhou, China. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | James Tian |
| ASN | AS45090 |
| Network Name | TencentCloud |
| CIDR Block | 175.178.0.0/16 |
| RIR | APNIC |
| Network registration country | CN |
| Routing operator | TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited, CN |
| Abuse Contact | — |
🌐 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 applicable |
| spf | Unknown / lookup inconclusive |
| dmarc | Unknown / lookup inconclusive |
| dnssec | Unknown / lookup inconclusive 21.163.178.175.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive |
☁️ 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
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS45090 |
| Network Prefix | 175.178.128.0/18 |
| Route mapping | Found |
| Certificates in transparency logs | 0 certificates |
🎯 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 | 35% | 2 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 35% | 2 | 2 |
| Overall | 24% | 7 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-06 12:08:34 UTC |
| Last Seen | 2026-11-11 10:00:37 UTC |
| Profile Built | 2026-11-13 04:32:38 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 21 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 175.178.163.21
Who owns the IP address 175.178.163.21?
175.178.163.21 is registered to James Tian. The address falls within the 175.178.0.0/16 network block. Registration is held at APNIC.
Where is 175.178.163.21 located?
Geolocation data places 175.178.163.21 in Guangzhou, Guangdong, China. The local time zone is Asia/Shanghai. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 175.178.163.21 malicious or safe?
175.178.163.21 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.