IP address 138.2.21.1
IP address: 138.2.21.1
Address type: IPv4
Hostname or reverse DNS (rDNS): (host name is not defined)
Country: 
Japan
138.2.21.1 does NOT belong to a private IP address block.
138.2.21.1 does NOT belong to a reserved IP address block.
There are different formats or notations how the IP address 138.2.21.1 can be represented.
Dotted decimal: 138.2.21.1
Hexadecimal: 0x8A021501
Dotted hex: 0x8A.0x02.0x15.0x01
Decimal: 2315392257
Octal: 0212.0002.0025.0001
Binary: 10001010.00000010.00010101.00000001