Robtex

Up: 203.173.42.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.173.42.0/25
Down right: 203.173.42.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.173.42.3	PTR	203-173-42-3.perm.iinet.net.au
203.173.42.7	A+PTR	203-173-42-7.perm.iinet.net.au
203.173.42.8	PTR	203-173-42-8.perm.iinet.net.au
203.173.42.8	A	mail.macdonaldlaw.com.au
203.173.42.9	A	mail.rnashowgrounds.com.au
203.173.42.9	A	mail.rna.org.au
203.173.42.11	A+PTR	203-173-42-11.perm.iinet.net.au
203.173.42.11	A	remote.drbovey.com
203.173.42.21	PTR	203-173-42-21.perm.iinet.net.au
203.173.42.29	A+PTR	mx1.sullivans.net
203.173.42.29	A	windowizard.net.au
203.173.42.30	A+PTR	203-173-42-30.perm.iinet.net.au
203.173.42.36	PTR	203-173-42-36.perm.iinet.net.au
203.173.42.36	A	mail.simonhoer.com
203.173.42.36	A	mail.rs06.com
203.173.42.37	PTR	mail.plazahealth.com.au
203.173.42.40	A	stoddartbuildingproducts.com
203.173.42.41	PTR	mail.mjb.is
203.173.42.45	PTR	ah.dmasolutions.net.au
203.173.42.64	PTR	mail.wcc.qld.edu.au
203.173.42.78	A+PTR	203-173-42-78.perm.iinet.net.au
203.173.42.78	A	christinepeters.com.au
203.173.42.88	A	mail.prosperohomes.com
203.173.42.89	A+PTR	www.3websters.com
203.173.42.89	A	3websters.com
203.173.42.89	A	inflections.com.au
203.173.42.92	A+PTR	203-173-42-92.perm.iinet.net.au
203.173.42.92	A	mail.hardingrichards.com.au
203.173.42.99	A	mail.emmvpn.com
203.173.42.103	A+PTR	email.adlsoftware.com
203.173.42.104	A	203-173-42-104.perm.iinet.net.au
203.173.42.115	A+PTR	203-173-42-115.perm.iinet.net.au
203.173.42.117	A	ezscan.co.uk
203.173.42.120	A	mail.ody.com.au
203.173.42.124	PTR	203-173-42-124.perm.iinet.net.au
203.173.42.124	A	mail.ipswichantiquecentre.com.au
203.173.42.124	A	findesign1.dyndns.org
203.173.42.126	PTR	computerphreakz.com
203.173.42.135	A+PTR	203-173-42-135.perm.iinet.net.au
203.173.42.135	A	mail.bmt.com.au
203.173.42.139	A	mail.ginginfamilymedicalcentre.com.au
203.173.42.140	A	nolist.cybersol.com.au
203.173.42.146	A+PTR	203-173-42-146.perm.iinet.net.au
203.173.42.146	A	mail.baldocks.com.au
203.173.42.152	A+PTR	203-173-42-152.perm.iinet.net.au
203.173.42.155	PTR	203-173-42-155.perm.iinet.net.au
203.173.42.162	PTR	203-173-42-162.perm.iinet.net.au
203.173.42.162	A	mxbackup.networkalliance.com.au
203.173.42.162	A	622wickhambookkeeping.com
203.173.42.186	A+PTR	203-173-42-186.perm.iinet.net.au
203.173.42.188	A+PTR	203-173-42-188.perm.iinet.net.au
203.173.42.193	A+PTR	bne-fe-core0.atlanticdigital.net
203.173.42.194	A	mail.atlanticinternet.com.au
203.173.42.194	A	remote.atlanticdigital.net
203.173.42.201	PTR	203-173-42-201.perm.iinet.net.au
203.173.42.201	A	martialclass.com
203.173.42.201	A	calendar.iapps.net.au
203.173.42.219	A	dawsontec.com
203.173.42.219	A	mail.dawsontec.com
203.173.42.222	A+PTR	203-173-42-222.perm.iinet.net.au
203.173.42.225	A+PTR	gi24-s01.qld.johnsonit.com.au
203.173.42.225	A	ns2.johnsonit.com.au
203.173.42.234	PTR	kilner.com.au
203.173.42.234	A	mail.kilner.com.au
203.173.42.243	A+PTR	203-173-42-243.perm.iinet.net.au
203.173.42.243	A	mail.fitton.com.au
203.173.42.253	A+PTR	203-173-42-253.perm.iinet.net.au