Robtex

Up: 154.32.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 154.32.0.0/17
Down right: 154.32.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
154.32.1.2	A+PTR	internal1.cambridge.intl.telstra.net
154.32.2.3	PTR	cr-3.ldn4.intl.telstra.net
154.32.2.13	A	lf-1.edi2.intl.telstra.net
154.32.6.2	PTR	sw-1.ldn4.intl.telstra.net
154.32.22.2	PTR	2.22.32.154.intl.telstra.net
154.32.28.120	A	mailserver.6thvision.com
154.32.49.244	A	user.super.net.uk
154.32.49.244	A	hades.itl.net
154.32.49.244	A	mail.super.net.uk
154.32.62.183	A	bykoperwsdam.ooo
154.32.72.2	PTR	ofr-1.cbg4.psie.net
154.32.72.34	PTR	owa.teraview.com
154.32.86.159	A	mx2.skillsprofile.org
154.32.86.217	A	princeusaltd.com
154.32.91.68	A	bmail.riskdecisions.com
154.32.100.4	PTR	ftp-ext.uk.telstra.com
154.32.100.4	A	ftp.telstra.co.uk
154.32.100.8	A	www.telstrainternational.com.au
154.32.100.8	A	guava.uk.telstra.com
154.32.100.8	A	uk.telstra.com
154.32.105.2	A+PTR	mp1.uk.telstra.com
154.32.105.6	A+PTR	relay1.uk.telstra.com
154.32.105.6	A	relay.uk.telstra.com
154.32.105.6	A	relay.mail.uk.psi.net
154.32.107.2	A+PTR	extremecamb.uk.psi.net
154.32.107.4	A+PTR	uk.dms.psie.net
154.32.107.6	PTR	relay2.uk.telstra.com
154.32.107.6	A	relay.uk.telstra.com
154.32.107.6	A	relay.mail.uk.psi.net
154.32.109.1	PTR	gw.relay3-build.mail.uk.psi.net
154.32.109.6	PTR	relay3.uk.telstra.com
154.32.109.6	A	relay3.mail.uk.psi.net
154.32.109.10	A	pop3.mail.uk.psi.net
154.32.109.18	A	res3.dns.uk.psi.net
154.32.109.22	A	mx3.mail.uk.psi.net
154.32.111.5	PTR	gw.relay4.mail.uk.psi.net
154.32.111.6	PTR	relay4.mail.uk.psi.net
154.32.111.129	PTR	gw.mx4.mail.uk.psi.net
154.32.111.132	PTR	mx4.mail.uk.psi.net
154.32.113.4	A+PTR	sf1-old.uk.telstra.com
154.32.128.117	A	ip117.vpop128.psi.net.uk
154.32.172.63	PTR	mail.anton-group.com
154.32.255.138	A	ldn5.psie.net