IP address 66.218.84.42
IP address: 66.218.84.42
Address type: IPv4
Host or reverse DNS (rDNS): o1.ycpi.vip.bf1.yahoo.com
Country: 
United States
66.218.84.42 does NOT belong to a private IP address block.
66.218.84.42 does NOT belong to a reserved IP address block.
There are different formats or notations how the IP address 66.218.84.42 can be represented.
Dotted decimal: 66.218.84.42
Hexadecimal: 0x42DA542A
Dotted hex: 0x42.0xDA.0x54.0x2A
Decimal: 1121604650
Octal: 0102.0332.0124.0052
Binary: 01000010.11011010.01010100.00101010