How to get Global Zone name/ip from Local Zone

# hostname
zone1  <<<<< Local Zone

# ifconfig -a
lo0:1: flags=2001000849 mtu 8232 index 1
        inet 127.0.0.1 netmask ff000000
e1000g0:1: flags=1000843 mtu 1500 index 2
        inet 192.168.1.5 netmask ffffff00 broadcast 192.168.1.255
# arp -a | grep SP
e1000g0 zone1                255.255.255.255 SPLA     00:0c:29:cc:78:c5
e1000g0 10.80.108.75     255.255.255.255 SPLA     00:0c:29:cc:78:c5
#

10.80.108.75 is my Global Zone IP.