# 18.88.21.78 — IP Intelligence Summary

18.88.21.78 is an IPv4 address operated by Amazon Data Services Northern Virginia (AS16509), geolocated to Dallas, United States. Its reverse DNS name is ec2-18-88-21-78.compute-1.amazonaws.com. As of October 17, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/18.88.21.78
- Last updated: 2026-10-17

## Ownership

- Organization: Amazon Data Services Northern Virginia
- Network name: AMAZON-IAD
- Allocated block: 18.88.0.0/18
- ASN: AS16509 (https://ipdebrief.com/asn/16509)
- Regional registry: ARIN
- Cloud / hosting provider: Amazon Web Services

## Location

- City: Dallas
- Region: TX
- Country: United States
- Time zone: America/Chicago

## Network classification

- Infrastructure type: Unknown
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: no
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (25/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- ec2-18-88-21-78.compute-1.amazonaws.com
- Forward-confirmed: yes

## Nearby addresses

- 18.88.21.83 (https://ipdebrief.com/18.88.21.83)
- 18.88.21.126 (https://ipdebrief.com/18.88.21.126)
- 18.88.21.188 (https://ipdebrief.com/18.88.21.188)

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Source: IPDebrief, "18.88.21.78 IP intelligence", https://ipdebrief.com/18.88.21.78, updated 2026-10-17. Assessments are probabilistic.