Recognised as IPv4 address
127.102.228.128
- IPv4
- Loopback
127.102.228.128 is an IPv4 address. It is loopback: RFC 1122, never leaves the host. As a 32-bit integer it is 2,137,449,600, in hexadecimal 0x7F66E480, and its reverse DNS name is 128.228.102.127.in-addr.arpa.
Address
01111111011001101110010010000000
Dotted decimal127.102.228.128
32-bit integer2,137,449,600
Hexadecimal0x7F66E480
Binary01111111.01100110.11100100.10000000
Octal0177.0146.0344.0200
Octets1: 127 · 2: 102 · 3: 228 · 4: 128
Reverse DNS name128.228.102.127.in-addr.arpa
IPv4-mapped IPv6::ffff:127.102.228.128
IPv6 compact form::ffff:7f66:e480
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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