138.36.100.144
138.36.100.144 is an IPv4 address operated by AS264599 - SYNCONTEL TELECOMUNICACOES LTDA, BR (AS264599), with approximate network location Barreiras, Brazil. It belongs to a residential connection with reverse DNS name 144-100-36-138.syncontel.net.br. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | SYNCONTEL TELECOMUNICAÇÕES LTDA |
| ASN | AS264599 |
| Network Name | 248001 |
| CIDR Block | 138.36.100.0/22 |
| RIR | ARIN |
| Network registration country | BR |
| Routing operator | AS264599 - SYNCONTEL TELECOMUNICACOES LTDA, BR |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 144-100-36-138.syncontel.net.br |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 144-100-36-138.syncontel.net.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 144-100-36-138.syncontel.net.br |
| dmarc | Unknown / lookup inconclusive _dmarc.144-100-36-138.syncontel.net.br |
| dnssec | Unknown / lookup inconclusive 144.100.36.138.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive 144-100-36-138.syncontel.net.br |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User — Residential ISP endpoint |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS264599 |
| Network Prefix | 138.36.100.0/22 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-11-05 22:11:27 UTC |
| Last Seen | 2026-11-07 19:27:26 UTC |
| Profile Built | 2026-11-13 09:05:41 UTC |
| Data Freshness | Live |
| Signal Types | 13 |
| Total Observations | 19 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 138.36.100.144
Who owns the IP address 138.36.100.144?
138.36.100.144 is registered to SYNCONTEL TELECOMUNICAÇÕES LTDA. The address falls within the 138.36.100.0/22 network block. Registration is held at ARIN.
Where is 138.36.100.144 located?
Geolocation data places 138.36.100.144 in Barreiras, Bahia, Brazil. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 138.36.100.144 malicious or safe?
138.36.100.144 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 138.36.100.144?
The reverse DNS (PTR) record for 138.36.100.144 is 144-100-36-138.syncontel.net.br. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 138.36.100.144 a VPN, proxy, or data center address?
138.36.100.144 is classified as a residential network based on network ownership and behavioural analysis.