Robtex

Up: 103.17.216.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.17.220.0/23
Down right: 103.17.222.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.17.220.5	A	mail.vdpirea.com.au
103.17.220.8	A+PTR	dmail.atherton.net
103.17.220.20	PTR	mail.wrenmaxwell.com.au
103.17.220.20	A	mail.clevercloud.com.au
103.17.220.20	A	mail.mundiwahomestead.com.au
103.17.220.33	PTR	po10-3.bdr1.p1.au.as58511.net
103.17.220.36	PTR	36-220-17-103.network.conit.com.au
103.17.220.56	PTR	56-220-17-103.network.conit.com.au
103.17.220.71	PTR	71-220-17-103.network.conit.com.au
103.17.220.74	PTR	13037481.as58511.net
103.17.220.78	PTR	gwg-d.as58511.net
103.17.220.102	PTR	cust.network.conit.com.au
103.17.220.108	PTR	108-220-17-103.network.conit.com.au
103.17.220.110	A	mail.mtbawbaw.com.au
103.17.220.114	PTR	customer.as58511.net
103.17.220.114	A	mail2.nicepak.com.au
103.17.220.114	A	mail.nicepak.com.au
103.17.220.125	PTR	ve733.bdr1.m1.au.as58511.net
103.17.220.186	PTR	7001019.as58511.net
103.17.220.200	PTR	200-220-17-103.network.conit.com.au
103.17.220.231	PTR	231-220-17-103.network.conit.com.au
103.17.220.244	A+PTR	mx20.anycast.net.au
103.17.220.244	A	mx10.anycast.net.au
103.17.220.244	A	mx-syd.conit.com.au
103.17.220.249	PTR	249-220-17-103.network.conit.com.au
103.17.220.249	A	fmsfsyd01.anycast.net.au
103.17.220.251	A+PTR	asmx3.chost.com.au
103.17.220.252	PTR	unused.conit.com.au
103.17.220.252	A	asmx6.chost.com.au
103.17.220.252	A	anycast.co
103.17.221.1	PTR	e2-2.msr2.wgs.au.as58511.net
103.17.221.13	PTR	po20-722.dstr1.m1.au.as58511.net
103.17.221.18	PTR	18-221-17-103.network.conit.com.au
103.17.221.40	PTR	40-221-17-103.network.conit.com.au
103.17.221.88	PTR	88-221-17-103.network.conit.com.au
103.17.221.96	PTR	96-221-17-103.network.conit.com.au
103.17.221.118	PTR	gi4-2.msr1.drn2.au.as58511.net
103.17.221.130	A+PTR	sonar.chairo.vic.edu.au
103.17.221.187	PTR	187-221-17-103.network.conit.com.au
103.17.221.198	PTR	7001015.as58511.net
103.17.221.215	PTR	215-221-17-103.network.conit.com.au
103.17.221.216	PTR	216-221-17-103.network.conit.com.au
103.17.222.3	PTR	3-222-17-103.network.conit.com.au
103.17.222.3	A	remote.itcentre.com.au
103.17.222.13	PTR	13-222-17-103.network.conit.com.au
103.17.222.13	A	optique.com.au
103.17.222.13	A	www.optique.com.au
103.17.222.14	A+PTR	mx.itcentre.com.au
103.17.222.18	A+PTR	exchange.webworks.com.au
103.17.222.21	A+PTR	augustine.fusion.org.au
103.17.222.24	PTR	24-222-17-103.network.conit.com.au
103.17.222.24	A	intranet.fusion.org.au
103.17.222.26	PTR	urban.itcentre.com.au
103.17.222.26	A	eosfootwear.com
103.17.222.26	A	urbanshoemakers.com.au
103.17.222.41	PTR	leep.ngo
103.17.222.41	A	tricomm.org
103.17.222.41	A	dc-c105da49ea79.ngo.net.au
103.17.222.42	PTR	42-222-17-103.network.conit.com.au
103.17.222.44	PTR	44-222-17-103.network.conit.com.au
103.17.222.44	A	missmassage.com.au
103.17.222.44	A	solmessis.com.au
103.17.222.132	PTR	132-222-17-103.network.conit.com.au
103.17.222.152	PTR	152-222-17-103.network.conit.com.au
103.17.222.252	PTR	252-222-17-103.network.conit.com.au
103.17.222.252	A	itchost.com.au
103.17.222.252	A	itchosting.com.au
103.17.222.253	PTR	253-222-17-103.network.conit.com.au
103.17.223.14	PTR	14-223-17-103.network.conit.com.au
103.17.223.14	A	subwayshoes.com.au
103.17.223.20	PTR	20-223-17-103.network.conit.com.au
103.17.223.91	A	mail.brandboothaustralia.com.au
103.17.223.92	PTR	92-223-17-103.network.conit.com.au
103.17.223.96	PTR	96-223-17-103.network.conit.com.au