172.217.152.211
172.217.152.211 is an IPv4 address operated by GOOGLE - Google LLC, US (AS15169), with approximate network location United States. It belongs to datacenter or hosting infrastructure with reverse DNS name dciada-ag-in-f3.1e100.net. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Google LLC |
| ASN | AS15169 |
| Network Name | |
| CIDR Block | 172.217.0.0/16 |
| RIR | ARIN |
| Network registration country | United States |
| Routing operator | GOOGLE - Google LLC, US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | dciada-ag-in-f3.1e100.net |
| 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 checked |
| spf | Not checked |
| dmarc | Not checked |
| dnssec | Not checked |
| fcrDns | Not checked |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| Port | Probe target | Certificate finding |
|---|---|---|
| (IP-targeted) | CN=*.c.docs.google.com Historical certificate; current certificate unknown |
| SANs | *.c.docs.google.com*.a1.googlevideo.com*.bdn.dev*.origin-test.bdn.dev*.c.2mdn.net*.c.bigcache.googleapis.com*.c.chat.google.com*.c.doc-0-0-sj.sj.googleusercontent.com*.c.drive.google.com*.c.googlesyndication.com |
| Valid From | 2026-10-20T12:30:50+00:00 |
| Valid Until | 2026-12-29T12:30:49+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 69 days |
🛡️ Public Network Snapshot
| Origin ASN | AS15169 |
| Network Prefix | 172.217.128.0/19 |
| Route mapping | Found |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Not detected |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 50% | 2 | 3 |
| ownership | 50% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 35% | 2 | 2 |
| Overall | 32% | 9 | 11 |
| Data Coherence | Consistent (100%) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Aging
| First Seen | 2026-10-21 00:17:25 UTC |
| Last Seen | 2026-11-02 11:45:10 UTC |
| Profile Built | 2026-11-13 07:06:41 UTC |
| Data Freshness | Aging |
| Signal Types | 19 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 172.217.152.211
Who owns the IP address 172.217.152.211?
172.217.152.211 is registered to Google LLC. The address falls within the 172.217.0.0/16 network block. Registration is held at ARIN.
Where is 172.217.152.211 located?
Geolocation data places 172.217.152.211 in United States. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 172.217.152.211 malicious or safe?
172.217.152.211 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 is the hostname for 172.217.152.211?
The reverse DNS (PTR) record for 172.217.152.211 is dciada-ag-in-f3.1e100.net. This hostname is not forward-confirmed, so it should be treated as a weak signal.
What ports are open on 172.217.152.211?
Responsive ports observed on 172.217.152.211 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 172.217.152.211 a VPN, proxy, or data center address?
172.217.152.211 is classified as cloud infrastructure and hosting infrastructure based on network ownership and behavioural analysis.