Robtex

Up: 203.192.64.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 203.192.64.0/24
Down right: 203.192.65.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.192.64.0	PTR	ip-0-64-192-203.static.pipenetworks.com
203.192.64.3	A	mail.acl.edu.au
203.192.64.4	A	csg.acl.edu.au
203.192.64.5	PTR	ip-5-64-192-203.static.pipenetworks.com
203.192.64.5	A	mail2.acl.edu.au
203.192.64.5	A	acemail.ace.edu.au
203.192.64.7	A	mail.ace.edu.au
203.192.64.8	A+PTR	ip-8-64-192-203.static.pipenetworks.com
203.192.64.17	A+PTR	ip-17-64-192-203.static.pipenetworks.com
203.192.64.19	PTR	ip-19-64-192-203.static.pipenetworks.com
203.192.64.19	A	mqc.edu.au
203.192.64.65	PTR	ip-65-64-192-203.static.pipenetworks.com
203.192.64.81	PTR	ip-81-64-192-203.static.pipenetworks.com
203.192.64.81	A	syd-mx-1.navitas.com
203.192.64.86	PTR	ip-86-64-192-203.static.pipenetworks.com
203.192.64.86	A	mail-syd.navitasworld.com
203.192.64.137	PTR	ip-137-64-192-203.static.pipenetworks.com
203.192.64.150	A+PTR	ip-150-64-192-203.static.pipenetworks.com
203.192.65.35	A+PTR	mx1.tsm32.com
203.192.65.35	A	rubina.tsm32.com
203.192.65.35	A	mail.tsm32.com
203.192.65.37	A+PTR	mx3.tsm32.com
203.192.65.38	PTR	mx1.mytsm32.com
203.192.65.38	A	mx4.mytsm32.com
203.192.65.39	A+PTR	mx1.astute.net.au
203.192.65.39	A	astute.net.au
203.192.65.42	PTR	oa.imo.net.au
203.192.65.42	A	mx1.cdcservices.com.au
203.192.65.42	A	mx2.imo.net.au
203.192.65.44	PTR	ip-44-65-192-203.static.pipenetworks.com
203.192.65.44	A	www.imo.net.au
203.192.65.44	A	imo.net.au
203.192.65.45	A	articles.imo.net.au
203.192.65.46	A	mlrsa.com
203.192.65.82	PTR	ip-82-65-192-203.static.pipenetworks.com
203.192.65.219	A	paypal-sandbox.net
203.192.65.224	PTR	ip-224-65-192-203.static.pipenetworks.com
203.192.65.224	A	imta.harcourts.net
203.192.65.225	A+PTR	ip-225-65-192-203.static.pipenetworks.com
203.192.65.225	A	imta.harcourts.net