172.204.88.38
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.
🏢 Ownership & Registration
| Registered holder | MICROSOFT-MAINT |
| ASN | AS8075 |
| Network Name | cloud |
| CIDR Block | 172.204.0.0/16 |
| RIR | ARIN |
| Network registration country | NZ |
| Routing operator | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| 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 |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 80, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| Port | Probe target | Certificate finding |
|---|---|---|
| (IP-targeted) | CN=Kubernetes Ingress Controller Fake Certificate, O=Acme Co Historical certificate; current certificate unknown |
| SANs | ingress.local |
| Valid From | 2026-10-21T01:03:38+00:00 |
| Valid Until | 2027-10-21T01:03:38+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 365 days |
🛡️ Public Network Snapshot
| Origin ASN | AS8075 |
| Network Prefix | 172.200.0.0/13 |
| Route mapping | Found |
| HSTS | Enabled |
| CSP | Not detected |
| HTTP/2 | Enabled |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 35% | 2 | 2 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 50% | 2 | 3 |
| Overall | 26% | 7 | 9 |
| Data Coherence | Consistent (100%) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-27 21:33:15 UTC |
| Last Seen | 2026-11-14 06:19:00 UTC |
| Profile Built | 2026-11-14 06:29:50 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 25 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 172.204.88.38
Who owns the IP address 172.204.88.38?
172.204.88.38 is registered to MICROSOFT-MAINT. The address falls within the 172.204.0.0/16 network block. Registration is held at ARIN.
Where is 172.204.88.38 located?
Geolocation data places 172.204.88.38 in Auckland, Auckland, New Zealand. The local time zone is Pacific/Auckland. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 172.204.88.38 malicious or safe?
172.204.88.38 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What ports are open on 172.204.88.38?
Responsive ports observed on 172.204.88.38 include 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 172.204.88.38 a VPN, proxy, or data center address?
172.204.88.38 is classified as cloud infrastructure and hosting infrastructure based on network ownership and behavioural analysis.