# 18.156.238.166 — IP Intelligence Summary

18.156.238.166 is an IPv4 address operated by Amazon Web Services (AS16509), with approximate network location Frankfurt, Germany. Its reverse DNS name is ec2-18-156-238-166.eu-central-1.compute.amazonaws.com. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/18.156.238.166
- Last updated: 2026-11-12

## Ownership

- Organization: A100 ROW GmbH
- Network name: AMAZO-ZFRA
- Allocated block: 18.156.0.0/14
- ASN: AS16509 (https://ipdebrief.com/asn/16509)
- Regional registry: ARIN
- Registered holder: A100 ROW GmbH
- Routing operator: —
- Network registration country: Germany
- Registrant address country: —
- Cloud / hosting provider: Amazon Web Services

## Location

- City: Frankfurt
- Region: HE
- Country: Germany
- Time zone: Europe/Berlin

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

- ec2-18-156-238-166.eu-central-1.compute.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

## Nearby addresses

- 18.156.238.2 (https://ipdebrief.com/18.156.238.2)
- 18.156.238.18 (https://ipdebrief.com/18.156.238.18)

---

Source: IPDebrief, "18.156.238.166 IP intelligence", https://ipdebrief.com/18.156.238.166, updated 2026-11-12. Assessments are probabilistic.