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Diffstat (limited to 'lib/ipaddress/ipv4.rb')
| -rw-r--r-- | lib/ipaddress/ipv4.rb | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/ipaddress/ipv4.rb b/lib/ipaddress/ipv4.rb index a123e71..a6bea7b 100644 --- a/lib/ipaddress/ipv4.rb +++ b/lib/ipaddress/ipv4.rb @@ -649,6 +649,20 @@ module IPAddress; end # + # Checks if an IPv4 address objects belongs + # to a link-local network RFC3927 + # + # Example: + # + # ip = IPAddress "169.254.0.1" + # ip.link_local? + # #=> true + # + def link_local? + [self.class.new("169.254.0.0/16")].any? {|i| i.include? self} + end + + # # Returns the IP address in in-addr.arpa format # for DNS lookups # |