23.21.238.164
23.21.238.164 is an IPv4 address operated by AMAZON-AES - Amazon.com, Inc., US (AS14618), with approximate network location Ashburn, United States. Its reverse DNS name is ec2-23-21-238-164.compute-1.amazonaws.com. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Amazon Data Services Northern Virginia |
| ASN | AS14618 |
| Network Name | AMAZON-IAD |
| CIDR Block | 23.20.0.0/14 |
| RIR | ARIN |
| Network registration country | — |
| Registrant address country | United States |
| Routing operator | AMAZON-AES - Amazon.com, Inc., US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-23-21-238-164.compute-1.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-23-21-238-164.compute-1.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.
Partial coverage: 1 conclusive IP DNS checks.
| caa | Not found at queried name com |
| spf | Not found at queried name ec2-23-21-238-164.compute-1.amazonaws.com |
| dmarc | Not found at queried name _dmarc.ec2-23-21-238-164.compute-1.amazonaws.com |
| dnssec | Unknown / lookup inconclusive 164.238.21.23.in-addr.arpa |
| fcrDns | Present / verified ec2-23-21-238-164.compute-1.amazonaws.com |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Web Server |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 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 | Latest capture attempt |
|---|---|
| 443 | Certificate captured (captured) |
| 8443 | Certificate not captured; current certificate unknown (unreachable) |
| Port | Probe target | Certificate finding |
|---|---|---|
| 443 | 23.21.238.164 (IP-targeted) | CN=receive-lp1.dg.srv.nintendo.net, OU=Network & Information Systems Department, O="Nintendo Co., Ltd.", L=Minami-ku, S=Kyoto, C=JP Within validity period when last observed |
| SANs | None |
| Valid From | 2016-05-17T14:48:16Z |
| Valid Until | 2041-11-02T14:48:16Z |
| TLS Protocol | Tls12 |
| Cipher Suite | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 9300 days |
🛡️ Public Network Snapshot
| Origin ASN | AS14618 |
| Network Prefix | 23.20.0.0/15 |
| Route mapping | Found |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Not detected |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-11-14 06:35:24 UTC |
| Last Seen | 2026-11-14 06:35:24 UTC |
| Profile Built | 2026-11-14 06:45:08 UTC |
| Data Freshness | Live |
| Signal Types | 14 |
| Total Observations | 14 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 23.21.238.164
Who owns the IP address 23.21.238.164?
23.21.238.164 is registered to Amazon Data Services Northern Virginia. The address falls within the 23.20.0.0/14 network block. Registration is held at ARIN.
Where is 23.21.238.164 located?
Geolocation data places 23.21.238.164 in Ashburn, VA, United States. The local time zone is America/New_York. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 23.21.238.164 malicious or safe?
23.21.238.164 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 23.21.238.164?
The reverse DNS (PTR) record for 23.21.238.164 is ec2-23-21-238-164.compute-1.amazonaws.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 23.21.238.164?
Responsive ports observed on 23.21.238.164 include 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.