inetnum:            172.21.74.32-172.21.74.63
netname:            UMSA-NET
country:            CN
admin-c:            UMSA-DN42
tech-c:             UMSA-DN42
mnt-by:             UMSA-MNT
status:             ASSIGNED
bgp-status:         inactive 1499875213
cidr:               172.21.74.32/27