Recognised as IPv4 address
72.51.0.1
- IPv4
- Public
72.51.0.1 is an IPv4 address. It is public: globally routable unicast address. As a 32-bit integer it is 1,211,301,889, in hexadecimal 0x48330001, and its reverse DNS name is 1.0.51.72.in-addr.arpa.
Address
01001000001100110000000000000001
Dotted decimal72.51.0.1
32-bit integer1,211,301,889
Hexadecimal0x48330001
Binary01001000.00110011.00000000.00000001
Octal0110.063.00.01
Octets1: 72 · 2: 51 · 3: 0 · 4: 1
Reverse DNS name1.0.51.72.in-addr.arpa
IPv4-mapped IPv6::ffff:72.51.0.1
IPv6 compact form::ffff:4833:1
Scope & registry
TypePublicglobally routable unicast address
Routable on the public internetYes
Legacy classA (/8 by the old classful scheme)classful addressing was replaced by CIDR in 1993; shown for reference only
LoopbackNo
MulticastNo
Safe to use in documentationNo
This address in common subnets
Neighbouring addresses
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Common subnets
As a number
Nerdulate something else
Nothing in mind? Surprise me · today’s page