IPAddr#mask

(::String | ::Integer prefixlen) -> ::IPAddr

mask(prefixlen)

# File tmp/rubies/ruby-3.4.1/lib/ipaddr.rb, line 165
def mask(prefixlen)
  return self.clone.mask!(prefixlen)
end

Returns a new ipaddr built by masking IP address with the given prefixlen/netmask. (e.g. 8, 64, “255.255.255.0”, etc.)

See also #mask! #loopback? #link_local? #native also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1 · 3.0