203.190.251.159
203.190.251.159 is an IPv4 address operated by GLOBAL-TRANSIT-TOT-IIG-TH TOT Public Company Limited, TH (AS38040), with approximate network location Thailand. Its reverse DNS name is in-addr.net. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | TOT Public Company Limited |
| ASN | AS38040 |
| Network Name | totnet |
| CIDR Block | 203.190.250.0/23 |
| RIR | APNIC |
| Network registration country | TH |
| Routing operator | GLOBAL-TRANSIT-TOT-IIG-TH TOT Public Company Limited, TH |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | in-addr.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | in-addr.net |
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 net |
| spf | Unknown / lookup inconclusive in-addr.net |
| dmarc | Unknown / lookup inconclusive _dmarc.in-addr.net |
| dnssec | Unknown / lookup inconclusive 159.251.190.203.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive in-addr.net |
☁️ 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 | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS38040 |
| Network Prefix | 203.190.251.0/24 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-28 13:30:19 UTC |
| Last Seen | 2026-11-14 05:10:16 UTC |
| Profile Built | 2026-11-14 05:21:48 UTC |
| Data Freshness | Live |
| Signal Types | 11 |
| Total Observations | 15 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 203.190.251.159
Who owns the IP address 203.190.251.159?
203.190.251.159 is registered to TOT Public Company Limited. The address falls within the 203.190.250.0/23 network block. Registration is held at APNIC.
Where is 203.190.251.159 located?
Geolocation data places 203.190.251.159 in Thailand. The local time zone is Asia/Bangkok. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 203.190.251.159 malicious or safe?
203.190.251.159 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 203.190.251.159?
The reverse DNS (PTR) record for 203.190.251.159 is in-addr.net. This hostname is not forward-confirmed, so it should be treated as a weak signal.