45.238.136.221 is an IPv4 address announced by AS262587, with approximate network location Faxinal do Soturno, Brazil. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | CST - Cerentini Soluções em Tecnologia |
| ASN | AS262587 |
| Network Name | 500156 |
| CIDR Block | 45.238.136.0/22 |
| RIR | ARIN |
| Network registration country | BR |
| 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 Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| spf | Not checked |
| dmarc | Not checked |
| fcrDns | Not checked |
| dnssec | Not checked |
| caa | Not checked |
☁️ 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 | — |
🛡️ Public Network Snapshot
| Origin ASN | AS262587 |
| Network Prefix | 45.238.136.0/23 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 28% | 2 | 2 |
| routing | 20% | 1 | 1 |
| services | 28% | 2 | 2 |
| ownership | 40% | 2 | 3 |
| reputation | 20% | 1 | 1 |
| geolocation | 43% | 2 | 3 |
| Overall | 29% | 10 | 12 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Aging
| First Seen | 2026-11-03 15:38:22 UTC |
| Last Seen | 2026-11-05 03:05:48 UTC |
| Profile Built | 2026-11-12 20:36:58 UTC |
| Data Freshness | Aging |
| Signal Types | 19 |
| Total Observations | 19 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 45.238.136.221
Who owns the IP address 45.238.136.221?
45.238.136.221 is registered to CST - Cerentini Soluções em Tecnologia. The address falls within the 45.238.136.0/22 network block. Registration is held at ARIN.
Where is 45.238.136.221 located?
Geolocation data places 45.238.136.221 in Faxinal do Soturno, Rio Grande do Sul, Brazil. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 45.238.136.221 malicious or safe?
45.238.136.221 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.