43.203.50.253
43.203.50.253 is an IPv4 address operated by AMAZON-02 - Amazon.com, Inc., US (AS16509), with approximate network location Incheon, South Korea. It belongs to datacenter or hosting infrastructure with reverse DNS name ec2-43-203-50-253.ap-northeast-2.compute.amazonaws.com. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | AMAZON ASIA-PACIFIC RESOURCES PRIVATE LIMITED - ne |
| ASN | AS16509 |
| Network Name | AMAZON-AS-AP |
| CIDR Block | 43.200.0.0/13 |
| RIR | APNIC |
| Network registration country | US |
| Routing operator | AMAZON-02 - Amazon.com, Inc., US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-43-203-50-253.ap-northeast-2.compute.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-43-203-50-253.ap-northeast-2.compute.amazonaws.com |
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 found at queried name com |
| spf | Unknown / lookup inconclusive di.runestone.samsung.com, ec2-43-203-50-253.ap-northeast-2.compute.amazonaws.com |
| dmarc | Unknown / lookup inconclusive _dmarc.di.runestone.samsung.com, _dmarc.ec2-43-203-50-253.ap-northeast-2.compute.amazonaws.com |
| dnssec | Unknown / lookup inconclusive 253.50.203.43.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive ec2-43-203-50-253.ap-northeast-2.compute.amazonaws.com |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 80, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| Port | Probe target | Certificate finding |
|---|---|---|
| (IP-targeted) | CN=*.di.runestone.samsung.com, O="SAMSUNG ELECTRONICS CO,.LTD", S=Gyeonggi-do, C=KR Previously observed certificate has since expired; current certificate unknown |
| SANs | *.di.runestone.samsung.comdi.runestone.samsung.com |
| Valid From | 2025-10-14T00:00:00+00:00 |
| Valid Until | 2026-11-14T23:59:59+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 396 days |
🛡️ Public Network Snapshot
| Origin ASN | AS16509 |
| Network Prefix | 43.200.0.0/14 |
| 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 | 25% | 1 | 1 |
| ownership | 50% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 25% | 6 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Fresh
| First Seen | 2026-11-02 00:31:23 UTC |
| Last Seen | 2026-11-09 11:05:21 UTC |
| Profile Built | 2026-11-13 09:48:45 UTC |
| Data Freshness | Fresh |
| Signal Types | 21 |
| Total Observations | 28 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 43.203.50.253
Who owns the IP address 43.203.50.253?
43.203.50.253 is registered to AMAZON ASIA-PACIFIC RESOURCES PRIVATE LIMITED - ne. The address falls within the 43.200.0.0/13 network block. Registration is held at APNIC.
Where is 43.203.50.253 located?
Geolocation data places 43.203.50.253 in Incheon, Incheon, 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 43.203.50.253 malicious or safe?
43.203.50.253 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 43.203.50.253?
The reverse DNS (PTR) record for 43.203.50.253 is ec2-43-203-50-253.ap-northeast-2.compute.amazonaws.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 43.203.50.253?
Responsive ports observed on 43.203.50.253 include 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 43.203.50.253 a VPN, proxy, or data center address?
43.203.50.253 is classified as cloud infrastructure and hosting infrastructure based on network ownership and behavioural analysis.