# 166.117.220.181 — IP Intelligence Summary

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.

- Canonical page: https://ipdebrief.com/166.117.220.181
- Last updated: 2026-11-13

## Ownership

- Organization: Amazon.com, Inc.
- Network name: AMAZO-4
- Allocated block: 166.117.0.0/16
- ASN: AS16509 (https://ipdebrief.com/asn/16509)
- Regional registry: ARIN
- Registered holder: Amazon.com, Inc.
- Routing operator: AMAZON-02 - Amazon.com, Inc., US
- Network registration country: United States
- Registrant address country: —
- Cloud / hosting provider: Amazon Web Services

## Location

- City: —
- Region: —
- Country: United States
- Time zone: —

Approximate network location; registration and certificate addresses are not server-location evidence.

## Network classification

- Infrastructure type: Unknown
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: Unverified (not proof of unicast)
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (0/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- a139bbb9abb3c20a4.awsglobalaccelerator.com
- Forward-confirmed: no

## Exposed services

- 80/tcp — http
- 443/tcp — https

## DNS posture

Mail authentication and CAA are optional domain policies, not IP-wide requirements.

- 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

## TLS observations

- CN=us-west-2.console.aws.amazon.com; port unknown; target —; Historical certificate; current certificate unknown; valid until 2027-04-05T23:59:59.0000000+00:00

## 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.

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Source: IPDebrief, "166.117.220.181 IP intelligence", https://ipdebrief.com/166.117.220.181, updated 2026-11-13. Assessments are probabilistic.