IP address 66.220.149.11
IP address: 66.220.149.11
Address type: IPv4
Host or reverse DNS (rDNS): fwdproxy-prn-011.fbsv.net
Country: 
United States
66.220.149.11 does NOT belong to a private IP address block.
66.220.149.11 does NOT belong to a reserved IP address block.
There are different formats or notations how the IP address 66.220.149.11 can be represented.
Dotted decimal: 66.220.149.11
Hexadecimal: 0x42DC950B
Dotted hex: 0x42.0xDC.0x95.0x0B
Decimal: 1121752331
Octal: 0102.0334.0225.0013
Binary: 01000010.11011100.10010101.00001011