inetnum:            172.21.100.128 - 172.21.100.255
cidr:               172.21.100.128/25
netname:            SUNNET-NETWORK
descr:              SUNNET-NETWORK-IPV4
country:            CN
admin-c:            SUNNET-DN42
tech-c:             SUNNET-DN42
mnt-by:             SUNNET-MNT
nserver:            ns1.sun.dn42
nserver:            ns2.sun.dn42
status:             ASSIGNED
source:             DN42