Robtex

Up: 103.17.220.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 103.17.220.0/24
Down right: 103.17.221.0/24
(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