Robtex

Up: 220.233.0.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 220.233.2.0/24
Down right: 220.233.3.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
220.233.2.2	A+PTR	2.2.233.220.static.exetel.com.au
220.233.2.22	A+PTR	22.2.233.220.static.exetel.com.au
220.233.2.42	A	42.2.233.220.static.exetel.com.au
220.233.2.60	A	60.2.233.220.static.exetel.com.au
220.233.2.65	A	65.2.233.220.static.exetel.com.au
220.233.2.69	A+PTR	pandanus.exetel.com.au
220.233.2.71	A+PTR	em.exetel.com.au
220.233.2.71	A	mail.exetel.com.au
220.233.2.72	PTR	pandanus2.exetel.com.au
220.233.2.72	A	helpdesk.exetel.com.au
220.233.2.73	A	goober.exetel.com.au
220.233.2.74	A+PTR	helpdesk.exetel.com.au
220.233.2.75	A	macadamia.exetel.com.au
220.233.2.77	PTR	whitepapers.exetel.com.au
220.233.2.78	A	abe.exetel.com.au
220.233.2.78	A	hazelnut-pabx.exetel.com.au
220.233.2.81	A	hazelnut.exetel.com.au
220.233.2.82	A+PTR	intranet.exetel.com.au
220.233.2.83	A	ogbono.exetel.com.au
220.233.2.84	A+PTR	ogbono-web.exetel.com.au
220.233.2.92	A+PTR	knowledgetest.exetel.com.au
220.233.2.104	A+PTR	oaknut.exetel.com.au
220.233.2.117	A	117.2.233.220.static.exetel.com.au
220.233.2.126	A	cpe.exetel.com.au
220.233.2.145	PTR	ipmx1.po.exetel.com.au
220.233.2.145	A	mx1.termiterepairspecialists.com
220.233.2.145	A	filter1.rhm.com.au
220.233.2.146	A+PTR	ipmx2.po.exetel.com.au
220.233.2.146	A	mail2.mailsentry.net.au
220.233.2.146	A	mx2.mrgindustries.com
220.233.2.151	PTR	151.2.233.220.static.exetel.com.au
220.233.2.151	A	ipmx-test.po.exetel.com.au
220.233.2.161	A	dog.exetel.com.au
220.233.2.200	PTR	200.2.233.220.static.exetel.com.au
220.233.2.202	PTR	202.2.233.220.static.exetel.com.au
220.233.2.202	A	loadedtechnologies.com.au
220.233.2.202	A	loadedtechnologies.com
220.233.3.9	A	mail.hedleyaccounting.com.au
220.233.3.202	PTR	202.3.233.220.static.exetel.com.au
220.233.3.240	PTR	mail.convoy.com.au