inetnum:            172.21.64.16 - 172.21.64.31
netname:            XYENON-NETWORK
country:            CN
admin-c:            XYENON-DN42
tech-c:             XYENON-DN42
mnt-by:             XYENON-MNT
status:             ASSIGNED
cidr:               172.21.64.16/28
source:             DN42