networking - netstat -g where is group IP defined -


hello when run netstat -g see following table. however, don't know ip all-system.mcast.net mapped to? being defined? there file in linux set up? thanking in advance

ipv6/ipv4 group memberships  interface       refcnt group --------------- ------ --------------------- lo              1      all-systems.mcast.net eth2            1      all-systems.mcast.net eth3            1      239.1.1.6 eth3            1      239.1.1.3 eth3            1      239.1.1.10 eth3            1      239.1.1.14 eth3            1      all-systems.mcast.net 

the "all-systems.mcast.net" , similar addresses reserved ip multicasting , registered iana. cannot changed.

in case all-systems.mcast.net 224.0.0.1.

you can find these assignments http://www.iana.org/assignments/multicast-addresses/multicast-addresses.xhtml


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