inetnum:            172.21.109.32 - 172.21.109.63
cidr:               172.21.109.32/27
netname:            NETRVIN-IPV4
descr:              Netrvin IPV4 Network
country:            CN
admin-c:            NETRVIN-DN42
tech-c:             NETRVIN-DN42
nserver:            ns1.yuzu.dn42
nserver:            ns2.yuzu.dn42
status:             ASSIGNED
mnt-by:             NETRVIN-MNT
source:             DN42