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IPv4 address

0.0.0.129

  • IPv4
  • This network

0.0.0.129 is an IPv4 address. It is this network: RFC 1122, only valid as a source address. As a 32-bit integer it is 129, in hexadecimal 0x00000081, and its reverse DNS name is 129.0.0.0.in-addr.arpa.

Address

00000000000000000000000010000001
Dotted decimal0.0.0.129
32-bit integer129
Hexadecimal0x00000081
Binary00000000.00000000.00000000.10000001
Octal00.00.00.0201
Octets1: 0 · 2: 0 · 3: 0 · 4: 129
Reverse DNS name129.0.0.0.in-addr.arpa
IPv4-mapped IPv6::ffff:0.0.0.129
IPv6 compact form::ffff:0:81

Scope & registry

TypeThis networkRFC 1122, only valid as a source address
Routable on the public internetNo
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

/80.0.0.0/8, 16,777,214 usable hosts
/160.0.0.0/16, 65,534 usable hosts
/240.0.0.0/24, 254 usable hosts
/250.0.0.128/25, 126 usable hosts
/260.0.0.128/26, 62 usable hosts
/270.0.0.128/27, 30 usable hosts
/280.0.0.128/28, 14 usable hosts
/300.0.0.128/30, 2 usable hosts

Neighbouring addresses

Previous address0.0.0.128
Next address0.0.0.130
Same /24 network0.0.0.0/24

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Nearby addresses

As a number

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Every value on this page was computed from “0.0.0.129” by Nerdulator’s ip engine. Nothing here was retrieved from a database of answers or written by a model.