8.242.72.138
Intelligence Briefing: 8.242.72.138
Overview
IP address 8.242.72.138 was observed with a Low Risk reputation (Risk Score 25). Ownership records assigned the address to CTL Brazil (ASN 3356) within the 8.242.72.0/21 block.
Technical Findings
No open ports or active services were detected on the host; the network role was classified as firewalled. DNS resolution returned the PTR hostname 8-242-72-138.static.ciriontechnologies.com.br, though forward resolution was not confirmed.
Geolocation and Validation
Geolocation data placed the host in São Paulo, Brazil. However, validation tests identified contradictions where measured RTT (146ms) fell below the minimum physics threshold (198.3ms) for the claimed distance (9915km).
Threat Context
No specific threat indicators, blacklists, or known campaigns were identified. While the Threat Actor classification listed the host as Suspicious, no active malicious behavior or incidents were recorded.
Recommendation
Monitor the address for changes due to signal contradictions. Current severity is Low.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | CTL Brazil |
| ASN | AS3356 |
| Network Name | NET-8-242-72-0-21 |
| CIDR Block | 8.242.72.0/21 |
| RIR | ARIN |
| Country | Brazil |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 8-242-72-138.static.ciriontechnologies.com.br |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 8-242-72-138.static.ciriontechnologies.com.br |
🔐 DNS Hygiene
| Hygiene Score | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 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 | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 33% | 2 | 4 |
| routing | 19% | 1 | 2 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 33% | 2 | 4 |
| Overall | 24% | 10 | 17 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-10 07:40:23 UTC |
| Last Seen | 2026-09-19 18:26:49 UTC |
| Profile Built | 2026-09-23 12:48:15 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 40 |
Full dossier details are available via our API.