Robtex

Up: 210.18.206.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 210.18.206.0/25
Down right: 210.18.206.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.18.206.2	A+PTR	ns2.brennanit.net.au
210.18.206.2	A	ns2.conradgargett.com.au
210.18.206.2	A	janus.iexec.net.au
210.18.206.3	A	syd-dnsauth-01.brennanit.net.au
210.18.206.10	A	ns10.brennanit.net.au
210.18.206.19	A	syd-bkb-sw1.securetelecom.net.au
210.18.206.20	A	syd-brd-sw3.securetelecom.net.au
210.18.206.199	A	ntp1.brennanit.net.au
210.18.206.200	A	helios.iexec.net.au
210.18.206.204	A+PTR	my.brennanit.net.au
210.18.206.206	A+PTR	syd-dnscache-01.brennanit.net.au
210.18.206.214	A	flyingduck.com.au
210.18.206.214	A	nightlife.com.au
210.18.206.214	A	www.flyingduck.com.au
210.18.206.216	A	www.vivienscreative.com.au
210.18.206.216	A	www.echopublishing.com.au
210.18.206.216	A	vivienscreative.com
210.18.206.220	A	vmail.brennanit.net.au
210.18.206.220	A	vmail.brennanit.com.au
210.18.206.221	A	syd-vmail-01.brennanit.net.au
210.18.206.222	A+PTR	syd-backupmx-03.brennanit.net.au
210.18.206.222	A	bitus.brennanit.com.au
210.18.206.222	A	bkmx-01.brennanit.net.au
210.18.206.223	A+PTR	syd-backupmx-04.brennanit.net.au
210.18.206.223	A	bkmx-02.brennanit.net.au
210.18.206.230	A+PTR	vweb.brennanit.net.au
210.18.206.230	A	*.silanna.com
210.18.206.230	A	bassnoise.com
210.18.206.233	A	citybeach.net.au
210.18.206.234	A	mx2.superfriend.com.au
210.18.206.234	A	syd-backupmx-01.brennanit.net.au
210.18.206.234	A	mx2.brennanit.net.au
210.18.206.235	A+PTR	syd-backupmx-02.brennanit.net.au
210.18.206.235	A	mx3.superfriend.com.au
210.18.206.235	A	mx3.brennanit.net.au
210.18.206.247	A+PTR	syd-ntpext-02.brennanit.net.au
210.18.206.247	A	ntp1.brennanit.net.au