# 52.91.154.76 — IP Intelligence Summary

52.91.154.76 is an IPv4 address operated by Amazon Web Services, with approximate network location Ashburn, United States. Its reverse DNS name is ec2-52-91-154-76.compute-1.amazonaws.com. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/52.91.154.76
- Last updated: 2026-11-12

## Ownership

- Organization: —
- Network name: —
- Allocated block: —
- ASN: —
- Regional registry: —
- Registered holder: —
- Routing operator: —
- Network registration country: —
- 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

- ec2-52-91-154-76.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.

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

## TLS observations

- CN=learn.5783dfb9d7a43.use1.prod-02.core.blackboard.com; port unknown; target —; Historical certificate; current certificate unknown; valid until 2027-02-28T23:59:59.0000000+00:00

## Nearby addresses

- 52.91.154.239 (https://ipdebrief.com/52.91.154.239)

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Source: IPDebrief, "52.91.154.76 IP intelligence", https://ipdebrief.com/52.91.154.76, updated 2026-11-12. Assessments are probabilistic.