The IP address 172.71.21.189 belonged to Cloudflare, Inc. (ASN 13335) within the CLOUDFLARENET CIDR block. The infrastructure operated as a CDN provider with no open ports or service banners detected. Geolocation data indicated the asset was located in Atlanta, GA, US. The asset carried a Low Risk reputation with a risk score of 25. The Threat Actor type was classified as a "Suspicious Host" with the reason "Threat indicators present but no specific classification," yet no known campaigns or active attacker behaviors were observed. The address appeared on one DNS blacklist out of eight total lists. The surrounding /24 neighborhood was classified as mostly_clean with an abuse density of 0.1111. The recommendation was to monitor the IP with low severity due to its location in the clean neighborhood.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ Ownership & Registration
| Organization | Cloudflare, Inc. |
| ASN | AS13335 |
| Network Name | CLOUDFLARENET |
| CIDR Block | 172.64.0.0/13 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
π DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No β PTR hostname does not resolve back to this IP (weak signal) |
π DNS Hygiene
| Hygiene Score | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
βοΈ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting β Infrastructure provider without advanced routing |
π 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 | β |
| HTTP Title | β |
π TLS Certificate
| SANs | None |
| Valid From | β |
| Valid Until | β |
π― 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 | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-09-25 02:06:25 UTC |
| Last Seen | 2026-09-25 02:06:25 UTC |
| Profile Built | 2026-09-25 02:20:22 UTC |
| Data Freshness | Live |
| Signal Types | 17 |
| Total Observations | 17 |
Full dossier details are available via our API.