IPAddr#netmask

() -> ::String

netmask

# File tmp/rubies/ruby-3.4.1/lib/ipaddr.rb, line 492
def netmask
  _to_string(@mask_addr)
end

Returns the netmask in string format e.g. 255.255.0.0

See also #native #prefix #mask! #prefix= also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1