211.21.48.242
211.21.48.242 is an IPv4 address announced by AS3462, with approximate network location Taichung, Taiwan. It belongs to a mobile network with reverse DNS name 211-21-48-242.hinet-ip.hinet.net. As of November 11, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | HINET Network-Adm |
| ASN | AS3462 |
| Network Name | HINET-NET |
| CIDR Block | 211.21.0.0/16 |
| RIR | APNIC |
| Network registration country | TW |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 211-21-48-242.hinet-ip.hinet.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 211-21-48-242.hinet-ip.hinet.net |
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.
| spf | Not checked |
| dmarc | Not checked |
| fcrDns | Not checked |
| dnssec | Not checked |
| caa | Not checked |
☁️ Network Classification
| Infrastructure | Mobile |
| Service Purpose | Web Server |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 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 | www.tjc.org.twtjc-mms.tjc.org.twback.tjc.org.twodms.tjc.org.twts.tjc.org.twedu.tjc.org.twwedding.tjc.org.twsacredmusic.tjc.org.twjesus.org.twjoy.org.tw |
| Valid From | 2026-02-09T09:09:55+00:00 |
| Valid Until | 2027-02-24T15:59:59+00:00 |
| TLS Protocol | Tls12 |
| Cipher Suite | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 380 days |
🛡️ Public Network Snapshot
| Origin ASN | AS3462 |
| Network Prefix | 211.21.0.0/16 |
| 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 | 30% | 2 | 5 |
| routing | 8% | 1 | 1 |
| services | 17% | 2 | 3 |
| ownership | 23% | 2 | 4 |
| reputation | 23% | 1 | 4 |
| geolocation | 23% | 2 | 4 |
| Overall | 21% | 10 | 21 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Stale
| First Seen | 2026-07-15 04:06:06 UTC |
| Last Seen | 2026-10-06 09:08:31 UTC |
| Profile Built | 2026-11-11 14:21:41 UTC |
| Data Freshness | Stale |
| Signal Types | 24 |
| Total Observations | 29 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 211.21.48.242
Who owns the IP address 211.21.48.242?
211.21.48.242 is registered to HINET Network-Adm. The address falls within the 211.21.0.0/16 network block. Registration is held at APNIC.
Where is 211.21.48.242 located?
Geolocation data places 211.21.48.242 in Taichung, Taiwan, Taiwan. The local time zone is Asia/Taipei. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 211.21.48.242 malicious or safe?
211.21.48.242 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 211.21.48.242?
The reverse DNS (PTR) record for 211.21.48.242 is 211-21-48-242.hinet-ip.hinet.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 211.21.48.242?
Responsive ports observed on 211.21.48.242 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 211.21.48.242 a VPN, proxy, or data center address?
211.21.48.242 is classified as a mobile network based on network ownership and behavioural analysis.