inetnum:            172.20.18.240 - 172.20.18.255
netname:            CZ5-CORE-NETWORK
country:            US
admin-c:            CZ5-DN42
tech-c:             CZ5-DN42
mnt-by:             CZ5-MNT
nserver:            ns1.cz5.dn42
status:             ASSIGNED
cidr:               172.20.18.240/28
source:             DN42