35.221.233.121
35.221.233.121 is an IPv4 address operated by GOOGLE-CLOUD-PLATFORM - Google LLC, US (AS396982), with approximate network location Taipei, Taiwan. It belongs to datacenter or hosting infrastructure with reverse DNS name 121.233.221.35.bc.googleusercontent.com. As of November 14, 2026, IPDebrief rates it Low Risk (15/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Google LLC |
| ASN | AS396982 |
| Network Name | GOOGLE-CLOUD |
| CIDR Block | 35.208.0.0/12 |
| RIR | ARIN |
| Network registration country | — |
| Registrant address country | United States |
| Routing operator | GOOGLE-CLOUD-PLATFORM - Google LLC, US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 121.233.221.35.bc.googleusercontent.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 121.233.221.35.bc.googleusercontent.com |
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.
Partial coverage: 1 conclusive IP DNS checks.
| caa | Present / verified googleusercontent.com |
| spf | Not found at queried name 121.233.221.35.bc.googleusercontent.com |
| dmarc | Not found at queried name _dmarc.121.233.221.35.bc.googleusercontent.com |
| dnssec | Unknown / lookup inconclusive 121.233.221.35.in-addr.arpa |
| fcrDns | Present / verified 121.233.221.35.bc.googleusercontent.com |
☁️ 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
| Port | Latest capture attempt |
|---|---|
| 443 | Certificate not captured; current certificate unknown (unreachable) |
| 8443 | Certificate not captured; current certificate unknown (unreachable) |
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS396982 |
| Network Prefix | 35.221.224.0/20 |
| Route mapping | Found |
| Certificates in transparency logs | 0 certificates |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 7% | 2 | 4 |
| routing | 3% | 1 | 1 |
| services | 21% | 2 | 3 |
| ownership | 7% | 2 | 3 |
| reputation | 8% | 1 | 3 |
| geolocation | 7% | 2 | 3 |
| Overall | 9% | 10 | 17 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-02 04:21:49 UTC |
| Last Seen | 2026-11-14 05:07:16 UTC |
| Profile Built | 2026-11-14 05:14:01 UTC |
| Data Freshness | Live |
| Signal Types | 25 |
| Total Observations | 37 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 35.221.233.121
Who owns the IP address 35.221.233.121?
35.221.233.121 is registered to Google LLC. The address falls within the 35.208.0.0/12 network block. Registration is held at ARIN.
Where is 35.221.233.121 located?
Geolocation data places 35.221.233.121 in Taipei, Taipei City, Taiwan. The local time zone is Asia/Taipei. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 35.221.233.121 malicious or safe?
35.221.233.121 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 35.221.233.121?
The reverse DNS (PTR) record for 35.221.233.121 is 121.233.221.35.bc.googleusercontent.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 35.221.233.121 a VPN, proxy, or data center address?
35.221.233.121 is classified as cloud infrastructure based on network ownership and behavioural analysis.