Robtex

Up: 220.233.40.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 220.233.42.0/24
Down right: 220.233.43.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
220.233.42.16	A+PTR	16.42.233.220.static.exetel.com.au
220.233.42.85	PTR	85.42.233.220.static.exetel.com.au
220.233.42.100	A	mail.daisychainedi.com.au
220.233.42.100	A	www.daisychainedi.com.au
220.233.42.100	A	mail.daisychainedi.com
220.233.42.135	A+PTR	135.42.233.220.static.exetel.com.au
220.233.42.135	A	smtp.wtmc.com.au
220.233.42.135	A	pop3.walkerdc.id.au
220.233.42.150	A+PTR	150.42.233.220.static.exetel.com.au
220.233.42.150	A	dc-56673cb6-mail.justin-clarke.com
220.233.42.158	A	158.42.233.220.static.exetel.com.au
220.233.42.218	A+PTR	218.42.233.220.static.exetel.com.au
220.233.42.246	A	bonnerjefferies.com
220.233.43.62	A+PTR	62.43.233.220.static.exetel.com.au
220.233.43.68	A+PTR	68.43.233.220.static.exetel.com.au
220.233.43.68	A	www.nikolov.com.au
220.233.43.72	A	schulz.nu
220.233.43.79	A+PTR	79.43.233.220.static.exetel.com.au
220.233.43.92	A+PTR	92.43.233.220.static.exetel.com.au
220.233.43.99	A+PTR	99.43.233.220.static.exetel.com.au
220.233.43.99	A	merndarail.com.au
220.233.43.99	A	ferrantino.com.au
220.233.43.100	A	secure.sportschaplaincy.com.au
220.233.43.113	A+PTR	113.43.233.220.static.exetel.com.au
220.233.43.113	A	pjtonline.com
220.233.43.132	A+PTR	132.43.233.220.static.exetel.com.au
220.233.43.160	PTR	160.43.233.220.static.exetel.com.au
220.233.43.191	A+PTR	191.43.233.220.static.exetel.com.au
220.233.43.208	A+PTR	208.43.233.220.static.exetel.com.au
220.233.43.208	A	mail.demochaos.com
220.233.43.214	A	abrey.com.au