# 18.233.105.141 — IP Intelligence Summary

18.233.105.141 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 ec2-18-233-105-141.compute-1.amazonaws.com. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/18.233.105.141
- Last updated: 2026-11-13

## Ownership

- Organization: Amazon Technologies Inc.
- Network name: AT-88-Z
- Allocated block: 18.32.0.0/11
- ASN: AS14618 (https://ipdebrief.com/asn/14618)
- Regional registry: ARIN
- Registered holder: Amazon Technologies Inc.
- Routing operator: AMAZON-AES - Amazon.com, Inc., US
- Network registration country: United States
- Registrant address country: —
- Cloud / hosting provider: Amazon Web Services

## Location

- City: Ashburn
- Region: VA
- Country: United States
- Time zone: America/New_York

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

- ec2-18-233-105-141.compute-1.amazonaws.com
- Forward-confirmed: yes

## Exposed services

- 80/tcp — http
- 443/tcp — https

## DNS posture

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

- caa: Not found at queried name (com)
- spf: Unknown / lookup inconclusive (ec2-18-233-105-141.compute-1.amazonaws.com, smartthings.com)
- dmarc: Unknown / lookup inconclusive (_dmarc.ec2-18-233-105-141.compute-1.amazonaws.com, _dmarc.smartthings.com)
- dnssec: Unknown / lookup inconclusive (141.105.233.18.in-addr.arpa)
- fcrDns: Unknown / lookup inconclusive (ec2-18-233-105-141.compute-1.amazonaws.com)

## TLS observations

- CN=*.smartthings.com; port unknown; target —; Historical certificate; current certificate unknown; valid until 2027-05-07T23:59:59.0000000+00:00

## Addresses sharing infrastructure

- 3.12.53.182 — Same TLS certificate (https://ipdebrief.com/3.12.53.182)
- 3.16.71.57 — Same TLS certificate (https://ipdebrief.com/3.16.71.57)
- 3.16.191.204 — Same TLS certificate (https://ipdebrief.com/3.16.191.204)
- 3.19.144.252 — Same TLS certificate (https://ipdebrief.com/3.19.144.252)
- 3.20.211.101 — Same TLS certificate (https://ipdebrief.com/3.20.211.101)
- 3.23.226.248 — Same TLS certificate (https://ipdebrief.com/3.23.226.248)
- 3.131.180.50 — Same TLS certificate (https://ipdebrief.com/3.131.180.50)
- 3.143.57.97 — Same TLS certificate (https://ipdebrief.com/3.143.57.97)
- 3.150.58.8 — Same TLS certificate (https://ipdebrief.com/3.150.58.8)
- 3.151.186.40 — Same TLS certificate (https://ipdebrief.com/3.151.186.40)
- 3.221.132.241 — Same TLS certificate (https://ipdebrief.com/3.221.132.241)
- 3.232.199.151 — Same TLS certificate (https://ipdebrief.com/3.232.199.151)

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Source: IPDebrief, "18.233.105.141 IP intelligence", https://ipdebrief.com/18.233.105.141, updated 2026-11-13. Assessments are probabilistic.