🏢 Ownership & Registration
| Organization | Google LLC |
| ASN | AS19527 |
| Network Name | GOOGLE-CLOUD |
| CIDR Block | 35.208.0.0/12 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 121.133.216.35.bc.googleusercontent.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 121.133.216.35.bc.googleusercontent.com |
🔐 DNS Hygiene
| Hygiene Score | 100% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Present |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | Unknown |
| Network Prefix | 35.216.128.0/17 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 27% | 2 | 3 |
| routing | 8% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 17% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 24% | 2 | 3 |
| Overall | 17% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-03 16:58:19 UTC |
| Last Seen | 2026-08-24 13:31:11 UTC |
| Profile Built | 2026-08-29 09:46:53 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 25 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 35.216.133.121
Who owns the IP address 35.216.133.121?
35.216.133.121 is registered to Google LLC. The address falls within the 35.208.0.0/12 network block. Registration is held at ARIN.
Where is 35.216.133.121 located?
Geolocation data places 35.216.133.121 in Zurich, ZH, Switzerland. The local time zone is Europe/Zurich. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 35.216.133.121 malicious or safe?
35.216.133.121 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 35.216.133.121?
The reverse DNS (PTR) record for 35.216.133.121 is 121.133.216.35.bc.googleusercontent.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 35.216.133.121 a VPN, proxy, or data center address?
35.216.133.121 is classified as cloud infrastructure based on network ownership and behavioural analysis.