Recognised as IPv4 address
127.88.100.1
- IPv4
- Loopback
127.88.100.1 is an IPv4 address. It is loopback: RFC 1122, never leaves the host. As a 32-bit integer it is 2,136,499,201, in hexadecimal 0x7F586401, and its reverse DNS name is 1.100.88.127.in-addr.arpa.
Address
01111111010110000110010000000001
Dotted decimal127.88.100.1
32-bit integer2,136,499,201
Hexadecimal0x7F586401
Binary01111111.01011000.01100100.00000001
Octal0177.0130.0144.01
Octets1: 127 · 2: 88 · 3: 100 · 4: 1
Reverse DNS name1.100.88.127.in-addr.arpa
IPv4-mapped IPv6::ffff:127.88.100.1
IPv6 compact form::ffff:7f58:6401
Scope & registry
TypeLoopbackRFC 1122, never leaves the host
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
LoopbackYes
MulticastNo
Safe to use in documentationNo
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