163.181.246.191
🏢 Ownership & Registration
| Organization | Alibaba Cloud LLC |
| ASN | AS24429 |
| Network Name | AL-3 |
| CIDR Block | 163.181.0.0/16 |
| RIR | APNIC |
| Country | United States |
| 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 | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | *.certfallback.comcertfallback.com |
| Valid From | 2026-07-30T14:26:28+00:00 |
| Valid Until | 2027-02-14T14:26:28+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 199 days |
🛡️ Public Network Snapshot
| Origin ASN | AS24429 |
| Network Prefix | 163.181.246.0/24 |
| Route mapping | Found |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Enabled |
🎯 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 | 35% | 2 | 2 |
| ownership | 50% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 35% | 2 | 2 |
| Overall | 28% | 8 | 9 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-29 19:13:23 UTC |
| Last Seen | 2026-09-29 19:13:23 UTC |
| Profile Built | 2026-09-29 19:20:56 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 19 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 163.181.246.191
Who owns the IP address 163.181.246.191?
163.181.246.191 is registered to Alibaba Cloud LLC. The address falls within the 163.181.0.0/16 network block. Registration is held at APNIC.
Where is 163.181.246.191 located?
Geolocation data places 163.181.246.191 in Hangzhou, Zhejiang, China. The local time zone is Asia/Shanghai. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 163.181.246.191 malicious or safe?
163.181.246.191 currently carries a high risk assessment, meaning indicators associated with malicious or abusive activity have been observed. This assessment is generated from continuously collected signals and can change over time.
What ports are open on 163.181.246.191?
Responsive ports observed on 163.181.246.191 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 163.181.246.191 a VPN, proxy, or data center address?
163.181.246.191 is classified as cloud infrastructure and hosting infrastructure based on network ownership and behavioural analysis.