221.150.171.99
221.150.171.99 is an IPv4 address operated by KIXS-AS-KR-KR - Korea Telecom, KR (AS4766), with approximate network location Yongin-si, South Korea. It belongs to a mobile network. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | IP Manager |
| ASN | AS4766 |
| Network Name | KORNET-KR |
| CIDR Block | 221.144.0.0/12 |
| RIR | APNIC |
| Network registration country | KR |
| Routing operator | KIXS-AS-KR-KR - Korea Telecom, KR |
| 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 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 | Not checked |
| dmarc | Not checked |
| dnssec | Unknown / lookup inconclusive 99.171.150.221.in-addr.arpa |
| fcrDns | Not checked |
☁️ Network Classification
| Infrastructure | Mobile |
| Service Purpose | Single-Service Host |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 22 | ssh | tcp | Banner detected |
| Closed Ports | 25, 80, 443, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS4766 |
| Network Prefix | 221.144.0.0/13 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Recent
| First Seen | 2026-08-02 17:02:26 UTC |
| Last Seen | 2026-11-11 22:29:43 UTC |
| Profile Built | 2026-11-14 03:53:53 UTC |
| Data Freshness | Recent |
| Signal Types | 13 |
| Total Observations | 17 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 221.150.171.99
Who owns the IP address 221.150.171.99?
221.150.171.99 is registered to IP Manager. The address falls within the 221.144.0.0/12 network block. Registration is held at APNIC.
Where is 221.150.171.99 located?
Geolocation data places 221.150.171.99 in Yongin-si, Gyeonggi-do, South Korea. The local time zone is Asia/Seoul. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 221.150.171.99 malicious or safe?
221.150.171.99 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 ports are open on 221.150.171.99?
Responsive ports observed on 221.150.171.99 include 22. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 221.150.171.99 a VPN, proxy, or data center address?
221.150.171.99 is classified as a mobile network based on network ownership and behavioural analysis.