Lookup of 81.91.85.90
IP address: 81.91.85.90
Address type: IPv4
Host or reverse DNS (rDNS): mail.netshops.cz
Country: 
Czechia
81.91.85.90 does NOT belong to a private IP address block.
81.91.85.90 does NOT belong to a reserved IP address block.
IP address 81.91.85.90
IP address: 81.91.85.90
Address type: IPv4
Host or reverse DNS (rDNS): mail.netshops.cz
Country: Czechia
81.91.85.90 does NOT belong to a private IP address block.
81.91.85.90 does NOT belong to a reserved IP address block.
There are different formats or notations how the IP address 81.91.85.90 can be represented.
Dotted decimal: 81.91.85.90
Hexadecimal: 0x515B555A
Dotted hex: 0x51.0x5B.0x55.0x5A
Decimal: 1364940122
Octal: 0121.0133.0125.0132
Binary: 01010001.01011011.01010101.01011010