173.194.45.121
173.194.45.121 is an IPv4 address operated by Google LLC (AS15169), geolocated to New York, United States. Its reverse DNS name is yuiadum-in-f121.1e100.net. As of October 6, 2026, IPDebrief rates it Low Risk (20/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | Google LLC |
| ASN | AS15169 |
| Network Name | |
| CIDR Block | 173.194.0.0/16 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | yuiadum-in-f121.1e100.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | yuiadum-in-f121.1e100.net |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Present |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Web Server |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 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
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS15169 |
| Network Prefix | 173.194.45.0/24 |
| 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 | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 35% | 2 | 2 |
| Overall | 22% | 6 | 7 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-29 13:37:45 UTC |
| Last Seen | 2026-10-06 00:02:18 UTC |
| Profile Built | 2026-10-06 00:06:45 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 24 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 173.194.45.121
Who owns the IP address 173.194.45.121?
173.194.45.121 is registered to Google LLC. The address falls within the 173.194.0.0/16 network block. Registration is held at ARIN.
Where is 173.194.45.121 located?
Geolocation data places 173.194.45.121 in New York, US-NY, United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 173.194.45.121 malicious or safe?
173.194.45.121 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 173.194.45.121?
The reverse DNS (PTR) record for 173.194.45.121 is yuiadum-in-f121.1e100.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 173.194.45.121?
Responsive ports observed on 173.194.45.121 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.