Robtex

Up: 203.221.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 203.221.32.0/22
Down right: 203.221.36.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.221.32.120	A	zakhao.asuscomm.com
203.221.33.22	PTR	203-221-33-22.tpgi.com.au
203.221.33.22	A	samshipping.servebbs.net
203.221.33.22	A	ryzneuuo.com
203.221.37.10	PTR	203-221-37-10.tpgi.com.au
203.221.37.12	PTR	203-221-37-12.tpgi.com.au
203.221.37.12	A	12.37.221.203.static.comindico.com.au
203.221.37.20	PTR	203-221-37-20.tpgi.com.au
203.221.37.20	A	mgr01-adel-pth.comindico.com.au
203.221.37.49	PTR	203-221-37-49.tpgi.com.au
203.221.37.49	A	e0-ccacc01-kent-syd.comindico.com.au
203.221.37.52	A	e0-ccacc04-kent-syd.comindico.com.au
203.221.37.53	PTR	203-221-37-53.tpgi.com.au
203.221.37.53	A	e0-ccacc05-kent-syd.comindico.com.au
203.221.37.54	PTR	203-221-37-54.tpgi.com.au
203.221.37.54	A	porta-sbm-syd.comindico.com.au
203.221.37.56	PTR	203-221-37-56.tpgi.com.au
203.221.37.56	A	ccacc07-kent-syd.comindico.com.au
203.221.37.61	PTR	203-221-37-61.tpgi.com.au
203.221.37.61	A	ccacc09-kent-syd.comindico.com.au
203.221.37.110	A	110.37.221.203.static.comindico.com.au
203.221.37.150	PTR	203-221-37-150.tpgi.com.au
203.221.37.155	PTR	203-221-37-155.tpgi.com.au
203.221.37.158	PTR	203-221-37-158.tpgi.com.au
203.221.37.171	A	mail.centerracing.com
203.221.37.192	PTR	203-221-37-192.tpgi.com.au
203.221.37.199	A+PTR	199.37.221.203.static.comindico.com.au
203.221.37.199	A	exnius.com
203.221.37.199	A	lanyonscapes.com
203.221.37.206	A+PTR	206.37.221.203.static.comindico.com.au
203.221.37.246	PTR	203-221-37-246.tpgi.com.au
203.221.37.246	A	246.37.221.203.static.comindico.com.au
203.221.37.248	PTR	203-221-37-248.tpgi.com.au
203.221.37.248	A	248.37.221.203.static.comindico.com.au
203.221.39.211	PTR	203-221-39-211.tpgi.com.au