# 18.100.101.26 — IP Intelligence Summary

18.100.101.26 is an IPv4 address operated by Amazon Data Services Spain (AS16509), geolocated to Madrid, Spain. Its reverse DNS name is ec2-18-100-101-26.eu-south-2.compute.amazonaws.com. As of November 7, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/18.100.101.26
- Last updated: 2026-11-07

## Ownership

- Organization: Amazon Data Services Spain
- Network name: AMAZON-ZAZ
- Allocated block: 18.100.0.0/15
- ASN: AS16509 (https://ipdebrief.com/asn/16509)
- Regional registry: ARIN
- Cloud / hosting provider: Amazon Web Services

## Location

- City: Madrid
- Region: MD
- Country: Spain
- Time zone: Europe/Madrid

## 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 (0/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- ec2-18-100-101-26.eu-south-2.compute.amazonaws.com
- Forward-confirmed: yes

## Exposed services

- 80/tcp — http
- 443/tcp — https

## Addresses sharing infrastructure

- 18.100.207.87 — Same TLS certificate (https://ipdebrief.com/18.100.207.87)
- 18.101.12.43 — Same TLS certificate (https://ipdebrief.com/18.101.12.43)

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Source: IPDebrief, "18.100.101.26 IP intelligence", https://ipdebrief.com/18.100.101.26, updated 2026-11-07. Assessments are probabilistic.