58.176.99.91
🏢 Ownership & Registration
| Organization | IRT-HKBN-HK |
| ASN | AS9269 |
| Network Name | HKBN |
| CIDR Block | 58.176.0.0/15 |
| RIR | APNIC |
| Country | HK |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 058176099091.ctinets.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 058176099091.ctinets.com |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | 0/3 domains |
| DMARC | 0/3 domains |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
| Domains Checked | 3 domains |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Web Server |
| Network Tier | End-User — Residential ISP endpoint |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 443 | https | tcp | — |
| 22 | ssh | tcp | Banner detected |
| 8443 | https-alt | tcp | — |
| Closed Ports | 25, 80, 3389, 8080 (3 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
CN=jaquesdong.asuscomm.com was found on this IP. This may indicate a previously hosted website, a decommissioned service, or stale infrastructure.| SANs | jaquesdong.asuscomm.com |
| Valid From | 2024-03-11T22:10:13+00:00 |
| Valid Until | 2024-06-09T22:10:12+00:00 (expired) |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_CHACHA20_POLY1305_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 89 days |
🛡️ Public Network Snapshot
| Origin ASN | AS9269 |
| Network Prefix | 58.176.64.0/18 |
| 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 | 35% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 50% | 2 | 3 |
| reputation | 25% | 1 | 1 |
| geolocation | 25% | 1 | 1 |
| Overall | 30% | 8 | 9 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-02 04:22:08 UTC |
| Last Seen | 2026-08-26 01:44:33 UTC |
| Profile Built | 2026-08-29 08:53:47 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 26 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 58.176.99.91
Who owns the IP address 58.176.99.91?
58.176.99.91 is registered to IRT-HKBN-HK. The address falls within the 58.176.0.0/15 network block. Registration is held at APNIC.
Where is 58.176.99.91 located?
Geolocation data places 58.176.99.91 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 58.176.99.91 malicious or safe?
58.176.99.91 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 is the hostname for 58.176.99.91?
The reverse DNS (PTR) record for 58.176.99.91 is 058176099091.ctinets.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 58.176.99.91?
Responsive ports observed on 58.176.99.91 include 443, 22, 8443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 58.176.99.91 a VPN, proxy, or data center address?
58.176.99.91 is classified as a residential network based on network ownership and behavioural analysis.