Robtex

Up: 164.97.128.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 164.97.192.0/19
Down right: 164.97.224.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
164.97.245.81	A+PTR	dns1.immi.gov.au
164.97.245.83	A+PTR	mail.sgs.immi.gov.au
164.97.245.97	A	dns2.immi.gov.au
164.97.245.100	A	mx1.sgs.immi.gov.au
164.97.245.129	A+PTR	share-outbound.immi.gov.au
164.97.245.158	A	apps.immi.gov.au
164.97.245.176	A+PTR	mr01.immi.gov.au
164.97.245.176	A	mr01.border.gov.au
164.97.246.83	A+PTR	mail1.sgs.immi.gov.au
164.97.246.97	A+PTR	resolver3.sgs.immi.gov.au
164.97.246.100	A	mx3.sgs.immi.gov.au
164.97.246.102	A	mx4.sgs.immi.gov.au
164.97.246.129	A	share-outbound-sec.immi.gov.au
164.97.246.136	PTR	dns4.immi.gov.au
164.97.249.11	A	www.tisn.gov.au
164.97.249.11	A	organisationalresilience.gov.au
164.97.249.11	A	tisn.gov.au
164.97.249.13	A	disasterassist.gov.au
164.97.249.18	PTR	www.harmonyday.gov.au
164.97.249.33	PTR	www.immi.gov.au
164.97.249.70	PTR	wiki.sgs.immi.gov.au
164.97.249.76	A	online.immi.gov.au
164.97.249.78	A	test.abtc-aps.org
164.97.249.79	A	testimmi.abtc-aps.org
164.97.249.80	A	www.abtc-aps.org
164.97.249.143	A+PTR	www.homeaffairs.gov.au
164.97.249.143	A	abf.gov.au
164.97.249.143	A	www.abf.gov.au