Robtex

Up: 103.16.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.16.64.0/23
Down right: 103.16.66.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.16.64.7	PTR	dns1.adventone.com
103.16.64.7	A	ns1.adventone.com
103.16.64.8	A	ns2.adventone.com
103.16.64.11	A+PTR	mail.adventone.com
103.16.64.11	A	adventone.com
103.16.64.11	A	adventone.com.au
103.16.65.8	A+PTR	mail.ioban.com.au
103.16.65.8	A+PTR	client.obansolutions.com.au
103.16.65.8	A	mail.obansolutions.com
103.16.65.10	A	rosettasolutions.com.au
103.16.65.12	A	windofchangeinternational.org
103.16.65.12	A	dairyweb.com.au
103.16.65.12	A	www.afia.org.au
103.16.65.17	A+PTR	agsmart.com.au
103.16.65.17	PTR	spraydata.com.au
103.16.65.17	PTR	www.agsmart.com.au
103.16.65.29	A	mail.workforcexs.com.au
103.16.65.29	A	mail.labourhire.com.au
103.16.65.29	A	primelabour.com.au
103.16.65.40	A	autogold.com.au
103.16.65.40	A	www.autonexus.com.au
103.16.65.40	A	autonexus.com.au
103.16.65.41	A	mail.furnishinginfocus.com
103.16.65.44	A	mail.freemasonsvic.net.au
103.16.65.46	A	mail.metrospinal.com.au
103.16.65.49	A	metropainclinic.com.au
103.16.65.49	A	metrospinal.com.au
103.16.65.49	A	clinicalintelligence.com.au
103.16.65.53	A	mail.metrospinal.com.au
103.16.65.53	A	mail.metropain.com.au
103.16.65.60	A	cripto.com
103.16.65.60	A	obanb2g.com
103.16.65.60	A	airpay.com.au
103.16.65.202	A	a1daas.com