Type:
Class
Constants:
IN4MASK
:
0xffffffff
32 bit mask for IPv4
IN6MASK
:
0xffffffffffffffffffffffffffffffff
128 bit mask for IPv4
IN6FORMAT
:
(["%.4x"] * 8).join(':')
Format string for IPv6
RE_IPV4ADDRLIKE
:
%r{
\A
(\d+) \. (\d+) \. (\d+) \. (\d+)
\z
}x
Regexp internally used for parsing IPv4 address.
RE_IPV6ADDRLIKE_FULL
:
%r{
\A
(?:
(?: [\da-f]{1,4} : ){7} [\da-f]{1,4}
|
( (?: [\da-f]{1,4} : ){6} )
(\d+) \. (\d+) \. (\d+) \. (\d+)
)
\z
}xi
Regexp internally used for parsing IPv6 address.
RE_IPV6ADDRLIKE_COMPRESSED
:
%r{
\A
( (?: (?: [\da-f]{1,4} : )* [\da-f]{1,4} )? )
::
( (?:
( (?: [\da-f]{1,4} : )* )
(?:
[\da-f]{1,4}
|
(\d+) \. (\d+) \. (\d+) \. (\d+)
)
)? )
\z
}xi
Regexp internally used for parsing IPv6 address.
IPAddr provides a set of methods to manipulate an IP address. Both IPv4 and IPv6 are supported.
Example
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | require 'ipaddr'ipaddr1 = IPAddr.new "3ffe:505:2::1"p ipaddr1 #=> #<IPAddr: IPv6:3ffe:0505:0002:0000:0000:0000:0000:0001/ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff>p ipaddr1.to_s #=> "3ffe:505:2::1"ipaddr2 = ipaddr1.mask(48) #=> #<IPAddr: IPv6:3ffe:0505:0002:0000:0000:0000:0000:0000/ffff:ffff:ffff:0000:0000:0000:0000:0000>p ipaddr2.to_s #=> "3ffe:505:2::"ipaddr3 = IPAddr.new "192.168.2.0/24"p ipaddr3 #=> #<IPAddr: IPv4:192.168.2.0/255.255.255.0> |