inetnum:            172.20.56.0 - 172.20.56.127
netname:            ATR-HOSTS
descr:              ATR Reserved Network for Hosts
country:            CN
admin-c:            ALLENZ-DN42
tech-c:             ALLENZ-DN42
mnt-by:             ATR-MNT
status:             ASSIGNED
cidr:               172.20.56.0/25
source:             DN42