138.121.197.161
138.121.197.161 is an IPv4 address announced by AS264301, with approximate network location Rio de Janeiro, Brazil. As of November 11, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | CNCP PRESTADORA DE SERVIÇOS LTDA |
| ASN | AS264301 |
| Network Name | 256266 |
| CIDR Block | 138.121.196.0/22 |
| RIR | ARIN |
| Network registration country | BR |
| Abuse Contact | — |
🌐 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 | AS264301 |
| Network Prefix | 138.121.196.0/23 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 46% | 2 | 3 |
| routing | 22% | 1 | 1 |
| services | 32% | 2 | 2 |
| ownership | 33% | 2 | 2 |
| reputation | 23% | 1 | 2 |
| geolocation | 23% | 1 | 1 |
| Overall | 30% | 9 | 11 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Stale
| First Seen | 2026-07-11 02:17:37 UTC |
| Last Seen | 2026-10-08 10:25:55 UTC |
| Profile Built | 2026-11-11 13:34:20 UTC |
| Data Freshness | Stale |
| Signal Types | 15 |
| Total Observations | 15 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 138.121.197.161
Who owns the IP address 138.121.197.161?
138.121.197.161 is registered to CNCP PRESTADORA DE SERVIÇOS LTDA. The address falls within the 138.121.196.0/22 network block. Registration is held at ARIN.
Where is 138.121.197.161 located?
Geolocation data places 138.121.197.161 in Rio de Janeiro, RJ, Brazil. The local time zone is America/Sao_Paulo. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 138.121.197.161 malicious or safe?
138.121.197.161 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.