# 3.115.66.243 — IP Intelligence Summary

3.115.66.243 is an IPv4 address operated by Amazon Web Services (AS16509), with approximate network location Tokyo, Japan. Its reverse DNS name is ec2-3-115-66-243.ap-northeast-1.compute.amazonaws.com. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/3.115.66.243
- Last updated: 2026-11-12

## Ownership

- Organization: Amazon Data Services Japan
- Network name: AMAZON-NRT
- Allocated block: 3.112.0.0/14
- ASN: AS16509 (https://ipdebrief.com/asn/16509)
- Regional registry: ARIN
- Registered holder: Amazon Data Services Japan
- Routing operator: —
- Network registration country: Japan
- Registrant address country: —
- Cloud / hosting provider: Amazon Web Services

## Location

- City: Tokyo
- Region: Tokyo
- Country: Japan
- Time zone: Asia/Tokyo

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

- ec2-3-115-66-243.ap-northeast-1.compute.amazonaws.com
- Forward-confirmed: yes

## Exposed services

- 443/tcp — https

## DNS posture

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

- spf: Not checked
- dmarc: Not checked
- fcrDns: Not checked
- dnssec: Not checked
- caa: Not checked

## TLS observations

- CN=HRM_SSM Primary Root CA, OU="(c) 2017 HRM_SSM, Inc. - For authorized use only", OU=Certification Services Division, O="Samsung, Inc.", C=KR, CN=*.samsunghrm.com; port unknown; target —; Historical certificate; current certificate unknown; valid until 2048-07-31T02:06:36.0000000+00:00

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Source: IPDebrief, "3.115.66.243 IP intelligence", https://ipdebrief.com/3.115.66.243, updated 2026-11-12. Assessments are probabilistic.