Robtex

Up: 203.27.100.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 203.27.100.0/24
Down right: 203.27.101.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.27.100.3	A	aeronaut.com.au
203.27.100.11	A	mail.qf32.aero
203.27.100.11	A	mail.aeronaut.biz
203.27.101.0	PTR	unallocated.rev.ip
203.27.101.2	PTR	unallocated.rev.ip
203.27.101.5	PTR	unallocated.rev.ip
203.27.101.20	PTR	unallocated.rev.ip
203.27.101.20	A	prodatatec.com
203.27.101.57	PTR	unallocated.rev.ip
203.27.101.57	A	tnq.net
203.27.101.60	PTR	web.netport.com.au
203.27.101.60	A	gpstern.com.au
203.27.101.60	A	egg-free.com
203.27.101.70	PTR	ns1.gpstern.com
203.27.101.70	A	ns.gpstern.com
203.27.101.70	A	ns1.cairns.com
203.27.101.73	PTR	unallocated.rev.ip
203.27.101.73	A	migrationvisa.net.au
203.27.101.73	A	blue-water.com.au
203.27.101.75	A+PTR	prodatatec.com
203.27.101.75	A	migrationvisa.net.au
203.27.101.75	A	astleylaw.com.au
203.27.101.79	PTR	mail2.vk2zbb.com
203.27.101.79	A	mail2.nq.net
203.27.101.79	A	mail.ausmail.net
203.27.101.81	PTR	vk2zbb.com
203.27.101.81	A	tnq.net
203.27.101.81	A	ausfone.net
203.27.101.255	PTR	unallocated.rev.ip