whois 172.21.100.191

% This is the dn42 whois query service.

% Information related to 'inetnum/0.0.0.0_0':
inetnum:            0.0.0.0 - 255.255.255.255
cidr:               0.0.0.0/0
netname:            NET-BLK0-DN42
policy:             reserved
descr:              * The entire IPv4 address space
mnt-by:             DN42-MNT
status:             ALLOCATED
source:             DN42

% Information related to 'inetnum/172.20.0.0_14':
inetnum:            172.20.0.0 - 172.23.255.255
cidr:               172.20.0.0/14
netname:            NET-BLK014-DN42
policy:             reserved
mnt-by:             DN42-MNT
status:             ALLOCATED
source:             DN42

% Information related to 'inetnum/172.21.0.0_16':
inetnum:            172.21.0.0 - 172.21.255.255
cidr:               172.21.0.0/16
netname:            NET-BLK116-DN42
descr:              DN42 native address space
remarks:            Not free for direct assignments, please use sub-allocated blocks
nserver:            b.delegation-servers.dn42
nserver:            j.delegation-servers.dn42
nserver:            k.delegation-servers.dn42
nserver:            h.delegation-servers.dn42
ds-rdata:           64441 10 2 4cc085716ba83f18df1a7fb9f9479d10327e3d30e222c7a197109c7560ae0368
ds-rdata:           3096 10 2 506fd7f34aaad4df1b6cfa56fe8c00e157b1c32551c981def0c5fd8f65ab14ac
status:             ALLOCATED
policy:             reserved
org:                ORG-DN42
mnt-by:             DN42-MNT
source:             DN42

% Information related to 'inetnum/172.21.64.0_18':
inetnum:            172.21.64.0 - 172.21.127.255
cidr:               172.21.64.0/18
netname:            NET-BLK64118-DN42
descr:              DN42 native address space
remarks:            * Default allocation /27, never more than /24
policy:             open
mnt-by:             DN42-MNT
status:             ALLOCATED
source:             DN42

% Information related to 'inetnum/172.21.100.128_25':
inetnum:            172.21.100.128 - 172.21.100.255
cidr:               172.21.100.128/25
netname:            SUNNET-NETWORK
descr:              SUNNET-NETWORK-IPV4
country:            CN
admin-c:            SUNNET-DN42
tech-c:             SUNNET-DN42
mnt-by:             SUNNET-MNT
nserver:            ns1.sun.dn42
status:             ASSIGNED
source:             DN42

% Information related to 'route/172.21.100.128_25':
route:              172.21.100.128/25
origin:             AS4242423088
origin:             AS140936
mnt-by:             SUNNET-MNT
source:             DN42