Robtex

Up: 203.161.128.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.161.128.0/23
Down right: 203.161.130.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.161.128.0	A+PTR	ip-0-128-161-203.static.pipenetworks.com
203.161.128.2	PTR	blah
203.161.128.26	A+PTR	ip-26-128-161-203.static.pipenetworks.com
203.161.128.26	A	epsilon3.dyn.dhs.org
203.161.128.34	A+PTR	ip-34-128-161-203.static.pipenetworks.com
203.161.128.34	A	bne-001.bbssmm.com
203.161.128.34	A	brisbane.bbssmm.com
203.161.128.35	PTR	bne-002.bbssmm.com
203.161.128.36	A+PTR	bne-003.bbssmm.com
203.161.128.36	A	bne-03.bbssmm.com
203.161.128.37	A	bne-004.bbssmm.com
203.161.128.38	A	bne-005.bbssmm.com
203.161.128.39	PTR	ip-39-128-161-203.static.pipenetworks.com
203.161.128.41	PTR	ip-41-128-161-203.static.pipenetworks.com
203.161.128.41	A	bne-008.bbssmm.com
203.161.128.50	PTR	mail.discoverymetals.com
203.161.128.50	A	ip-50-128-161-203.static.pipenetworks.com
203.161.128.54	A+PTR	ip-54-128-161-203.static.pipenetworks.com
203.161.128.93	PTR	ip-93-128-161-203.static.pipenetworks.com
203.161.128.93	A	masterpetlearning.com
203.161.128.158	A+PTR	ip-158-128-161-203.static.pipenetworks.com
203.161.128.226	A	dreamteam.loss4words.com
203.161.128.227	PTR	content.loss4words.com
203.161.128.227	A	www.eminatic.com
203.161.128.227	A	ns1.loss4words.com
203.161.128.229	PTR	ns1.loss4words.com
203.161.128.249	PTR	cache-ns1.pipenetworks.com
203.161.128.250	A+PTR	cache-ns2.pipenetworks.com
203.161.128.250	A	cache-ns.pipenetworks.com
203.161.128.251	A+PTR	backupmx1.pipenetworks.com
203.161.128.252	A+PTR	backupmx2.pipenetworks.com
203.161.129.0	A	ip-0-129-161-203.static.pipenetworks.com
203.161.129.2	A+PTR	dns2.iseek.com.au
203.161.129.9	PTR	ve2058.rq-127creek-cer-01.tpg-telecom.net
203.161.129.63	A+PTR	ip-63-129-161-203.static.pipenetworks.com
203.161.129.81	PTR	ip-81-129-161-203.static.pipenetworks.com
203.161.129.102	A	briscore2.sanitytechnology.com
203.161.129.147	PTR	ip-147-129-161-203.static.pipenetworks.com
203.161.129.147	A	mail.rivercitymotorway.com.au
203.161.129.162	PTR	ip-162-129-161-203.static.pipenetworks.com
203.161.129.162	A	mail2.tsusho.com.au
203.161.129.162	A	mail2.avis.to
203.161.129.179	PTR	ip-179-129-161-203.static.pipenetworks.com
203.161.129.179	A	brisbaneeconomicseries.com
203.161.129.179	A	mail.choosebrisbanetoinvest.com
203.161.129.180	A	mail.choosebrisbane.com
203.161.129.180	A	mail.choosebrisbane.com.au
203.161.129.180	A	mail.digitalbrisbane.com
203.161.129.188	A+PTR	ip-188-129-161-203.static.pipenetworks.com
203.161.129.188	A	queenslandtheatre.com.au
203.161.129.188	A	qldtheatreco.com.au
203.161.129.221	A+PTR	ip-221-129-161-203.static.pipenetworks.com
203.161.129.226	PTR	ip-226-129-161-203.static.pipenetworks.com
203.161.129.226	A	dntp204.ntphosting.com.au
203.161.129.227	A+PTR	ip-227-129-161-203.static.pipenetworks.com
203.161.129.227	A	dntp802.ntphosting.com.au
203.161.129.228	A	moneyjar.com.au
203.161.129.230	A+PTR	ip-230-129-161-203.static.pipenetworks.com
203.161.129.230	A	ntpgroup.com.au
203.161.129.231	PTR	ip-231-129-161-203.static.pipenetworks.com
203.161.129.231	A	owa.sinocode.com
203.161.129.243	A+PTR	ip-243-129-161-203.static.pipenetworks.com
203.161.129.249	A+PTR	ip-249-129-161-203.static.pipenetworks.com
203.161.129.249	A	globalx.safenetbox.biz
203.161.129.250	A+PTR	ip-250-129-161-203.static.pipenetworks.com
203.161.129.250	A	inbound-mail-filter.globalx.com.au
203.161.130.2	A+PTR	brisbane.hosttel.com.au
203.161.130.2	A	ns2.hosttel.com.au
203.161.130.2	A	ns2.logicnetworks.com.au
203.161.130.42	A+PTR	ip-42-130-161-203.static.pipenetworks.com
203.161.130.51	PTR	qld51.instant-office.com.au
203.161.130.51	A	dns4.instant-officeusa.com
203.161.130.51	A	gjg-mx4.instant-office.com.au
203.161.130.64	A	ip-64-130-161-203.static.pipenetworks.com
203.161.130.93	A	thepetdirectory.net.au
203.161.130.139	PTR	ip-139-130-161-203.static.pipenetworks.com
203.161.130.145	A+PTR	ip-145-130-161-203.static.pipenetworks.com
203.161.130.204	PTR	ip-204-130-161-203.static.pipenetworks.com
203.161.130.204	A	mail2.polarisdc.com.au
203.161.130.217	A+PTR	mail.mcjvaplng.com
203.161.130.250	A	dns2.instant-officeusa.com
203.161.130.250	A	kitchencentre.com.au
203.161.130.251	A	auvmx1.instant-office.com.au
203.161.131.20	PTR	ip-20-131-161-203.static.pipenetworks.com
203.161.131.20	A	mail3.seqwater.com.au
203.161.131.21	PTR	ip-21-131-161-203.static.pipenetworks.com
203.161.131.21	A	mail4.seqwater.com.au
203.161.131.26	A	ip-26-131-161-203.static.pipenetworks.com
203.161.131.31	A	ip-31-131-161-203.static.pipenetworks.com
203.161.131.33	A	ip-33-131-161-203.static.pipenetworks.com
203.161.131.41	A+PTR	ip-41-131-161-203.static.pipenetworks.com
203.161.131.41	A	mobility-uat.seqwater.com.au
203.161.131.59	A+PTR	ip-59-131-161-203.static.pipenetworks.com
203.161.131.84	PTR	ip-84-131-161-203.static.pipenetworks.com
203.161.131.84	A	www.iseekgolf.com
203.161.131.84	A	iseekgolf.com
203.161.131.92	A+PTR	mail1.ct4.com
203.161.131.92	A	mail.curtis.net.au
203.161.131.92	A	mail1.ct4.biz
203.161.131.133	A	ip-133-131-161-203.static.pipenetworks.com
203.161.131.150	PTR	gaming.ohlawd.net
203.161.131.153	A+PTR	ip-153-131-161-203.static.pipenetworks.com
203.161.131.154	PTR	ip-154-131-161-203.static.pipenetworks.com
203.161.131.154	A	toproofing.com.au
203.161.131.164	PTR	ip-164-131-161-203.static.pipenetworks.com
203.161.131.165	PTR	ip-165-131-161-203.static.pipenetworks.com
203.161.131.165	A	mx1.cemaust.com.au
203.161.131.195	A+PTR	ip-195-131-161-203.static.pipenetworks.com
203.161.131.195	A	mail-in-ip1.managedservicescentre.com.au
203.161.131.211	A+PTR	ip-211-131-161-203.static.pipenetworks.com
203.161.131.218	A+PTR	ip-218-131-161-203.static.pipenetworks.com
203.161.131.226	A	ip-226-131-161-203.static.pipenetworks.com
203.161.131.243	A+PTR	mx.ddhgraham.com.au
203.161.131.243	A	mail.m3.com.au
203.161.131.243	A	mail.moneymarket.com.au
203.161.131.246	PTR	ip-246-131-161-203.static.pipenetworks.com
203.161.131.246	A	mail.m3.com.au
203.161.131.246	A	mx.ddhgraham.com.au
203.161.131.253	PTR	ip-253-131-161-203.static.pipenetworks.com
203.161.131.253	A	mail2.rfdsqld.com.au