inetnum:            172.21.104.32 - 172.21.104.63
cidr:               172.21.104.32/27
netname:            WYF-DN42-V4
descr:              WolfYangFan DN42 Network IPv4 Block
country:            CN
admin-c:            WYF-DN42
tech-c:             WYF-DN42
mnt-by:             WYF-MNT
status:             ASSIGNED
source:             DN42