aj@junglist (branch: master) ~/git/facter$ facter|grep ipaddress
ipaddress => 123.100.70.1
ipaddress_eth0 => 123.100.70.1
ipaddress_eth0_0 => 123.100.70.2
ipaddress_eth0_1 => 123.100.70.3
ipaddress_eth0_2 => 123.100.70.4
ipaddress_eth0_3 => 123.100.70.5
aj@junglist (branch: master) ~/git/facter$ facter ipaddress
123.100.70.1
aj@junglist (branch: master) ~/git/facter$ facter ipaddress_eth0
aj@junglist (branch: master) ~/git/facter$ facter ipaddress_eth0_0
aj@junglist (branch: master) ~/git/facter$ facter ipaddress_eth0_1
aj@junglist (branch: master) ~/git/facter$ facter ipaddress_eth0_2
aj@junglist (branch: master) ~/git/facter$ facter ipaddress_eth0_3