IP address 145.131.168.40
IP address: 145.131.168.40
Address type: IPv4
Host or reverse DNS (rDNS): mail.buytenhekpumps.nl
Country: 
The Netherlands
145.131.168.40 does NOT belong to a private IP address block.
145.131.168.40 does NOT belong to a reserved IP address block.
There are different formats or notations how the IP address 145.131.168.40 can be represented.
Dotted decimal: 145.131.168.40
Hexadecimal: 0x9183A828
Dotted hex: 0x91.0x83.0xA8.0x28
Decimal: 2441324584
Octal: 0221.0203.0250.0050
Binary: 10010001.10000011.10101000.00101000