45.165.51.163
45.165.51.163 is an IPv4 address operated by AS268657 - Portao Net Telecomunicacoes LTDA, BR (AS268657), with approximate network location Nova Santa Rita, Brazil. Its reverse DNS name is 45-165-51-163.portaonet.com.br. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Portao Net Telecomunicações LTDA |
| ASN | AS268657 |
| Network Name | 346528 |
| CIDR Block | 45.165.48.0/22 |
| RIR | ARIN |
| Network registration country | BR |
| Routing operator | AS268657 - Portao Net Telecomunicacoes LTDA, BR |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 45-165-51-163.portaonet.com.br |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 45-165-51-163.portaonet.com.br |
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 br |
| spf | Unknown / lookup inconclusive 45-165-51-163.portaonet.com.br |
| dmarc | Unknown / lookup inconclusive _dmarc.45-165-51-163.portaonet.com.br |
| dnssec | Unknown / lookup inconclusive 163.51.165.45.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive 45-165-51-163.portaonet.com.br |
☁️ 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 | AS268657 |
| Network Prefix | 45.165.51.0/24 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 24% | 2 | 2 |
| routing | 17% | 1 | 1 |
| services | 24% | 2 | 2 |
| ownership | 35% | 2 | 3 |
| reputation | 17% | 1 | 1 |
| geolocation | 35% | 2 | 3 |
| Overall | 25% | 10 | 12 |
| Data Coherence | Consistent (100%) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Fresh
| First Seen | 2026-11-05 21:10:42 UTC |
| Last Seen | 2026-11-12 05:49:37 UTC |
| Profile Built | 2026-11-13 08:59:37 UTC |
| Data Freshness | Fresh |
| Signal Types | 20 |
| Total Observations | 24 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 45.165.51.163
Who owns the IP address 45.165.51.163?
45.165.51.163 is registered to Portao Net Telecomunicações LTDA. The address falls within the 45.165.48.0/22 network block. Registration is held at ARIN.
Where is 45.165.51.163 located?
Geolocation data places 45.165.51.163 in Nova Santa Rita, 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 45.165.51.163 malicious or safe?
45.165.51.163 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 45.165.51.163?
The reverse DNS (PTR) record for 45.165.51.163 is 45-165-51-163.portaonet.com.br. This hostname is not forward-confirmed, so it should be treated as a weak signal.