You can find a newer version of this page here

IP Addresses

IP Address Autonomous System Number (ASN) Internet Service Provider (ISP) / Organization Location AS9835 Government Information Technology Services Ministry of Public Health, Thailand / Government Information Technology Services Thailand

Server Locations

LocationThailand (TH)
Latitude13.7500° (13° 45′ 0″ N)
Longitude100.4667° (100° 28′ 0″ E)

IP WHOIS Information

IP Address Range203.157.0.0 -
Subnet Size65,536 IP addresses
CIDR Notation203.157.0.0/16
Date Updated
Net ReferenceAPNIC
RegistrantIRT-MOPH-TH, Ministry of Public Health, Thailand, Information and Communication Technology Center,, The Permanent Secretary Office, Ministry of Public Health,, Tivanont Road, Nontaburi, 11000, Thailand, Thailand (TH), APNIC

IP Address Range203.0.0.0 -
Subnet Size16,777,216 IP addresses
CIDR Notation203.0.0.0/8
Date Updated
Net ReferenceAPNIC
RegistrantIRT-APNIC-AP, Brisbane, Australia, Australia (AU), APNIC

IANA IPv4 Address Space Allocation

Allocation Date
StatusALLOCATED - delegated entirely to specific RIR (Regional Internet Registry) as indicated.
  • reserved for TEST-NET-3 [RFC5737]. Complete registration details for are found in [IANA registry iana-ipv4-special-registry].

DNS Resource Records

In this section you will find important DNS resource records for SOA records, Name Server records, and MX records are included when available. Additional supporting data includes serial numbers, refresh rates, retry times, TTL, priority, and length to expire will be shown.

Node Name Class Type Data TTL IN A

Domain WHOIS Information

This is the WHOIS information that includes important registration and owner details. Where applicable, you will find registrar info, important dates, name servers, and registration data. Registration data in most cases will include the Name, Organization, Address, City, State or Province, Postal Code, Country, Phone Number, and email address for Registrant, Administrative, and Technical contacts.