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End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

IPAddr#ipv4_mapped?

ipv4_mapped?

Returns true if the ipaddr is an IPv4-mapped IPv6 address.

See also #ipv4_mapped #ipv6? #ipv4_compat? #link_local? also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.0