Flowdock

IPAddr provides a set of methods to manipulate an IP address. Both IPv4 and IPv6 are supported.

Example

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>

Constants

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

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

RE_IPV4ADDRLIKE = %r{ \A (\d+) \. (\d+) \. (\d+) \. (\d+) \z }x

IN6FORMAT = (["%.4x"] * 8).join(':')

IN6MASK = 0xffffffffffffffffffffffffffffffff

IN4MASK = 0xffffffff

Attributes

[R] family

Returns the address family of this IP address.

Show files where this class is defined (1 file)
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