181.209.90.138
181.209.90.138 is an IPv4 address operated by AS52361 - ARSAT - Empresa Argentina de Soluciones Satelitales S.A., AR (AS52361), with approximate network location New York, Argentina. Its reverse DNS name is 138.90.209.181.in-addr.arpa. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | CSDNET Servicios Digitales S.R.L |
| ASN | AS52361 |
| Network Name | 181.209.90.136 - 181.209.90.143 |
| CIDR Block | 181.209.90.136/29 |
| RIR | LACNIC |
| Network registration country | AR |
| Routing operator | AS52361 - ARSAT - Empresa Argentina de Soluciones Satelitales S.A., AR |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 138.90.209.181.in-addr.arpa |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 138.90.209.181.in-addr.arpa |
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.
| caa | Not found at queried name arpa |
| spf | Unknown / lookup inconclusive 138.90.209.181.in-addr.arpa |
| dmarc | Unknown / lookup inconclusive _dmarc.138.90.209.181.in-addr.arpa |
| dnssec | Unknown / lookup inconclusive 138.90.209.181.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive 138.90.209.181.in-addr.arpa |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Single-Service Host |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| Closed Ports | 22, 25, 443, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS52361 |
| Network Prefix | 181.209.90.0/24 |
| Route mapping | Found |
| Certificates in transparency logs | 0 certificates |
🎯 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 | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 20% | 5 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Very Low (20%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-04 07:54:14 UTC |
| Last Seen | 2026-11-07 09:39:45 UTC |
| Profile Built | 2026-11-13 09:52:14 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 26 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 181.209.90.138
Who owns the IP address 181.209.90.138?
181.209.90.138 is registered to CSDNET Servicios Digitales S.R.L. The address falls within the 181.209.90.136/29 network block. Registration is held at LACNIC.
Where is 181.209.90.138 located?
Geolocation data places 181.209.90.138 in New York. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 181.209.90.138 malicious or safe?
181.209.90.138 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.
What is the hostname for 181.209.90.138?
The reverse DNS (PTR) record for 181.209.90.138 is 138.90.209.181.in-addr.arpa. This hostname is not forward-confirmed, so it should be treated as a weak signal.
What ports are open on 181.209.90.138?
Responsive ports observed on 181.209.90.138 include 80. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.