# 172.204.88.38 — IP Intelligence Summary

172.204.88.38 is an IPv4 address operated by MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US (AS8075), with approximate network location Auckland, New Zealand. It belongs to datacenter or hosting infrastructure. As of November 14, 2026, IPDebrief rates it Low Risk (15/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/172.204.88.38
- Last updated: 2026-11-14

## Ownership

- Organization: MICROSOFT-MAINT
- Network name: cloud
- Allocated block: 172.204.0.0/16
- ASN: AS8075 (https://ipdebrief.com/asn/8075)
- Regional registry: ARIN
- Registered holder: MICROSOFT-MAINT
- Routing operator: MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US
- Network registration country: NZ
- Registrant address country: —
- Cloud / hosting provider: Microsoft Azure

## Location

- City: Auckland
- Region: Auckland
- Country: New Zealand
- Time zone: Pacific/Auckland

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

## Network classification

- Infrastructure type: CloudCompute
- Datacenter / hosting: yes
- Residential: no
- Mobile: no
- Anycast: Unverified (not proof of unicast)
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (15/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Exposed services

- 443/tcp — https

## DNS posture

Mail authentication and CAA are optional domain policies, not IP-wide requirements.

- caa: Not applicable (—)
- spf: Not found at queried name (ingress.local)
- dmarc: Not found at queried name (_dmarc.ingress.local)
- dnssec: Unknown / lookup inconclusive (38.88.204.172.in-addr.arpa)
- fcrDns: Not applicable

## TLS observations

- CN=Kubernetes Ingress Controller Fake Certificate, O=Acme Co; port unknown; target —; Historical certificate; current certificate unknown; valid until 2027-10-21T01:03:38.0000000+00:00

## Addresses sharing infrastructure

- 20.218.34.176 — Same TLS certificate (https://ipdebrief.com/20.218.34.176)
- 20.251.57.247 — Same TLS certificate (https://ipdebrief.com/20.251.57.247)
- 23.96.203.65 — Same TLS certificate (https://ipdebrief.com/23.96.203.65)
- 34.140.11.215 — Same TLS certificate (https://ipdebrief.com/34.140.11.215)
- 65.21.124.55 — Same TLS certificate (https://ipdebrief.com/65.21.124.55)
- 85.211.178.65 — Same TLS certificate (https://ipdebrief.com/85.211.178.65)
- 150.136.77.254 — Same TLS certificate (https://ipdebrief.com/150.136.77.254)

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Source: IPDebrief, "172.204.88.38 IP intelligence", https://ipdebrief.com/172.204.88.38, updated 2026-11-14. Assessments are probabilistic.