# 15.228.133.91 — IP Intelligence Summary

15.228.133.91 is an IPv4 address operated by AMAZON-02 - Amazon.com, Inc., US (AS16509), with approximate network location São Paulo, Brazil. It belongs to datacenter or hosting infrastructure with reverse DNS name ec2-15-228-133-91.sa-east-1.compute.amazonaws.com. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/15.228.133.91
- Last updated: 2026-11-13

## Ownership

- Organization: Amazon Data Services Brazil
- Network name: AMAZON-GRU
- Allocated block: 15.228.0.0/15
- ASN: AS16509 (https://ipdebrief.com/asn/16509)
- Regional registry: ARIN
- Registered holder: Amazon Data Services Brazil
- Routing operator: AMAZON-02 - Amazon.com, Inc., US
- Network registration country: Brazil
- Registrant address country: —
- Cloud / hosting provider: Amazon Web Services

## Location

- City: São Paulo
- Region: SP
- Country: Brazil
- Time zone: America/Sao_Paulo

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

## Network classification

- Infrastructure type: —
- Datacenter / hosting: yes
- 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

- ec2-15-228-133-91.sa-east-1.compute.amazonaws.com
- Forward-confirmed: yes

## 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 (ec2-15-228-133-91.sa-east-1.compute.amazonaws.com)
- dmarc: Unknown / lookup inconclusive (_dmarc.ec2-15-228-133-91.sa-east-1.compute.amazonaws.com)
- dnssec: Unknown / lookup inconclusive (91.133.228.15.in-addr.arpa)
- fcrDns: Unknown / lookup inconclusive (ec2-15-228-133-91.sa-east-1.compute.amazonaws.com)

## Nearby addresses

- 15.228.133.100 (https://ipdebrief.com/15.228.133.100)
- 15.228.133.192 (https://ipdebrief.com/15.228.133.192)

---

Source: IPDebrief, "15.228.133.91 IP intelligence", https://ipdebrief.com/15.228.133.91, updated 2026-11-13. Assessments are probabilistic.