# 172.217.21.238 — IP Intelligence Summary

172.217.21.238 is an IPv4 address operated by GOOGLE - Google LLC, US (AS15169), with approximate network location New York, United States. Its reverse DNS name is lcsofa-ao-in-f14.1e100.net. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/172.217.21.238
- Last updated: 2026-11-13

## Ownership

- Organization: Google LLC
- Network name: GOOGLE
- Allocated block: 172.217.0.0/16
- ASN: AS15169 (https://ipdebrief.com/asn/15169)
- Regional registry: ARIN
- Registered holder: Google LLC
- Routing operator: GOOGLE - Google LLC, US
- Network registration country: United States
- Registrant address country: —

## Location

- City: New York
- Region: —
- Country: United States
- Time zone: —

Approximate network location; registration and certificate addresses are not server-location evidence.

## Network classification

- Infrastructure type: —
- 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

- lcsofa-ao-in-f14.1e100.net
- 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.

- caa: Present / verified (1e100.net)
- spf: Unknown / lookup inconclusive (invalid2.invalid, lcsofa-ao-in-f14.1e100.net)
- dmarc: Unknown / lookup inconclusive (_dmarc.invalid2.invalid, _dmarc.lcsofa-ao-in-f14.1e100.net)
- dnssec: Unknown / lookup inconclusive (238.21.217.172.in-addr.arpa)
- fcrDns: Unknown / lookup inconclusive (lcsofa-ao-in-f14.1e100.net)

## TLS observations

- CN=invalid2.invalid, OU=No SNI provided - please fix your client.; port unknown; target —; Historical certificate; current certificate unknown; valid until 2026-12-30T20:12:15.0000000+00:00

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Source: IPDebrief, "172.217.21.238 IP intelligence", https://ipdebrief.com/172.217.21.238, updated 2026-11-13. Assessments are probabilistic.