166.117.220.181
166.117.220.181 is an IPv4 address operated by AMAZON-02 - Amazon.com, Inc., US (AS16509), with approximate network location United States. Its reverse DNS name is a139bbb9abb3c20a4.awsglobalaccelerator.com. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
Witness AI IP Assessment (AI-generated)
AI-generated assessment. Verify critical details independently.
IP address 166.117.220.181 is registered to Amazon.com, Inc. (AS16509) under the network name AMAZO-4 within the 166.117.0.0/16 block. Geolocation data places the host in the United States, though specific city and region details are unavailable. The infrastructure profile identifies the entity as a web server hosted on Amazon Web Services, with cloud, CDN, and proxy classifications remaining unverified.
Network hygiene assessments returned no evaluated checks for SPF, DMARC, CAA, or DNSSEC, resulting in a null assessment score. A historical TLS certificate probe indicated an expiration window between September 2026 and April 2027, issued by Amazon RSA 2048 M01 for the subject us-west-2.console.aws.amazon.com. No active TLS endpoints were observed at the time of probing. Due to the lack of active protocol evaluations and the historical nature of the certificate data, the current operational posture regarding security configurations remains unverified.
🏢 Ownership & Registration
| Registered holder | Amazon.com, Inc. |
| ASN | AS16509 |
| Network Name | AMAZO-4 |
| CIDR Block | 166.117.0.0/16 |
| RIR | ARIN |
| Network registration country | United States |
| Routing operator | AMAZON-02 - Amazon.com, Inc., US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | a139bbb9abb3c20a4.awsglobalaccelerator.com |
| 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 | Unknown / lookup inconclusive awsglobalaccelerator.com |
| spf | Not checked |
| dmarc | Not checked |
| dnssec | Unknown / lookup inconclusive 181.220.117.166.in-addr.arpa |
| fcrDns | Not checked |
☁️ Network Classification
| Infrastructure | Unknown |
| 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
| Port | Probe target | Certificate finding |
|---|---|---|
| (IP-targeted) | CN=us-west-2.console.aws.amazon.com Historical certificate; current certificate unknown |
| SANs | us-west-2.console.aws.amazon.comus-west-2.lightsail.aws.amazon.com |
| Valid From | 2026-09-20T00:00:00+00:00 |
| Valid Until | 2027-04-05T23:59:59+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 197 days |
🛡️ Public Network Snapshot
| Origin ASN | AS16509 |
| Network Prefix | 166.117.208.0/20 |
| 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 | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Recent
| First Seen | 2026-11-09 04:15:08 UTC |
| Last Seen | 2026-11-14 15:06:25 UTC |
| Profile Built | 2026-11-13 09:06:24 UTC |
| Data Freshness | Recent |
| Signal Types | 20 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 166.117.220.181
Who owns the IP address 166.117.220.181?
166.117.220.181 is registered to Amazon.com, Inc.. The address falls within the 166.117.0.0/16 network block. Registration is held at ARIN.
Where is 166.117.220.181 located?
Geolocation data places 166.117.220.181 in United States. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 166.117.220.181 malicious or safe?
166.117.220.181 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 166.117.220.181?
The reverse DNS (PTR) record for 166.117.220.181 is a139bbb9abb3c20a4.awsglobalaccelerator.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.
What ports are open on 166.117.220.181?
Responsive ports observed on 166.117.220.181 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.