# 35.172.77.121 — IP Intelligence Summary

35.172.77.121 is an IPv4 address operated by Amazon Web Services (AS14618), with approximate network location Ashburn, United States. Its reverse DNS name is ec2-35-172-77-121.compute-1.amazonaws.com. As of November 11, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/35.172.77.121
- Last updated: 2026-11-11

## Ownership

- Organization: Amazon Technologies Inc.
- Network name: AT-88-Z
- Allocated block: 35.152.0.0/13
- ASN: AS14618 (https://ipdebrief.com/asn/14618)
- Regional registry: ARIN
- Registered holder: Amazon Technologies Inc.
- Routing operator: —
- 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

- ec2-35-172-77-121.compute-1.amazonaws.com
- Forward-confirmed: yes

## 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

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Source: IPDebrief, "35.172.77.121 IP intelligence", https://ipdebrief.com/35.172.77.121, updated 2026-11-11. Assessments are probabilistic.