inetnum:            172.21.75.0 - 172.21.75.31
netname:            D453-IPV4
remarks:            Network of D453
descr:              Network of D453
country:            CN
admin-c:            D453-DN42
tech-c:             D453-DN42
mnt-by:             D453-MNT
status:             ASSIGNED
cidr:               172.21.75.0/27
source:             DN42