The public IP address 133.40.231.38 is located in Japan. It is assigned to the ISP National Institutes of Natural Sciences National A. The address belongs to ASN 63777 which is delegated to National Institutes of Natural Sciences National Astronomical Observatory of JAPAN. Please have a look at the tables below for full details about 133.40.231.38, or use the IP Lookup tool to find the approximate IP location for any public IP address.
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133.40.231.38 IP Address Location
Reverse IP (PTR)
none
ASN
63777 (National Institutes of Natural Sciences National Astronomical Observatory of JAPAN)
ISP / Organization
National Institutes of Natural Sciences National A
IANA IPv4 Address Space Allocation for Subnet 133.0.0.0/8
IPv4 Address Space Prefix
133/8
Regional Internet Registry (RIR)
Administered by APNIC
Allocation Date
WHOIS Server
whois.apnic.net
RDAP Server
https://rdap.apnic.net/
Status
LEGACY Allocated by the central Internet Registry (IR) prior to the Regional Internet Registries (RIRs). This address space is now administered by individual RIRs as noted, including maintenance of WHOIS Directory and reverse DNS records. Assignments from these blocks are distributed globally on a regional basis.