IP address 129.20.126.128
IP address: 129.20.126.128
Address type: IPv4
Host or reverse DNS (rDNS): nfrontalhttp.univ-rennes1.fr
Country: 
France
129.20.126.128 does NOT belong to a private IP address block.
129.20.126.128 does NOT belong to a reserved IP address block.
There are different formats or notations how the IP address 129.20.126.128 can be represented.
Dotted decimal: 129.20.126.128
Hexadecimal: 0x81147E80
Dotted hex: 0x81.0x14.0x7E.0x80
Decimal: 2165603968
Octal: 0201.0024.0176.0200
Binary: 10000001.00010100.01111110.10000000