The IP address 141.101.73.157 was attributed to Cloudflare (ASN 13335) within the CLOUDFLARENET-EU block, with geolocation data placing the endpoint in Chicago, Illinois. The address was classified as Low Risk with a reputation score of 25. Network analysis confirmed the infrastructure operated as a CDN with firewalled status and no open ports or active services. Behavioral indicators showed zero incidents, WAF violations, or honeypot strikes. Control plane data indicated one DNSBL listing among eight total lists, which contributed to the presence of low-grade risk indicators. The threat actor type was tagged as Suspicious Host, though intent classification remained Unknown Intent. The recommended action was to Monitor the traffic with a low severity rating due to the infrastructure provider context.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ Ownership & Registration
| Organization | Cloudflare Abuse Contact |
| ASN | AS13335 |
| Network Name | CLOUDFLARENET-EU |
| CIDR Block | 141.101.73.0/24 |
| RIR | RIPE |
| Country | US |
| 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 | 33% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 27% | 2 | 2 |
| Overall | 22% | 10 | 14 |
| Data Coherence | Mostly Consistent (80%) β 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-09-08 13:41:05 UTC |
| Last Seen | 2026-09-17 10:13:16 UTC |
| Profile Built | 2026-09-17 10:25:09 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 27 |
Full dossier details are available via our API.