104.23.189.21
104.23.189.21 is an IPv4 address operated by Cloudflare, Inc. (AS13335), geolocated to Newark, United States. It belongs to datacenter or hosting infrastructure. As of November 2, 2026, IPDebrief rates it Low Risk (20/100); no anonymizing service was detected.
The IP address 104.23.189.21 was identified as belonging to Cloudflare, Inc. (ASN 13335) within the CLOUDFLARENET CIDR block. The endpoint was classified as a Content Delivery Network (CDN) with a recorded reputation of Low Risk and a risk score of 20. Threat analysis revealed zero known attacks, zero blacklist entries, and no associated malicious campaigns.
Geolocation data mapped the address to Newark, New Jersey, US. However, Round-Trip Time (RTT) measurements of 18.0ms contradicted the claimed geographic distance of 5976km, indicating a geolocation inconsistency. The surrounding neighborhood was classified as mostly clean with an abuse density of 0.0805. Network scans returned no open ports, and the service purpose was noted as Firewalled.
The overall confidence level was assessed as Very Low (0.125) due to signal contradictions and insufficient data sufficiency. While the threat likelihood was categorized as none, the control plane status indicated the route was not stable. The recommendation was to Monitor the address. No immediate firewall action was required, but the signal contradictions and low confidence warrant observation for changes.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Cloudflare, Inc. |
| ASN | AS13335 |
| Network Name | CLOUDFLARENET |
| CIDR Block | 104.16.0.0/12 |
| RIR | ARIN |
| Country | United States |
| 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 Hygiene
| Hygiene Score | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ 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 | AS13335 |
| Network Prefix | 104.23.189.0/24 |
| Route mapping | Found |
🎯 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 | 0% | 0 | 0 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 12% | 3 | 3 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-17 02:17:43 UTC |
| Last Seen | 2026-11-02 12:46:53 UTC |
| Profile Built | 2026-11-02 13:05:36 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 21 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 104.23.189.21
Who owns the IP address 104.23.189.21?
104.23.189.21 is registered to Cloudflare, Inc.. The address falls within the 104.16.0.0/12 network block. Registration is held at ARIN.
Where is 104.23.189.21 located?
Geolocation data places 104.23.189.21 in Newark, New Jersey, United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 104.23.189.21 malicious or safe?
104.23.189.21 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.
Is 104.23.189.21 a VPN, proxy, or data center address?
104.23.189.21 is classified as a content delivery network based on network ownership and behavioural analysis.