Robtex

Up: 123.51.96.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 123.51.104.0/22
Down right: 123.51.108.0/22

IP	Type	Hostname
123.51.105.2	A	it.buysellmove.com
123.51.105.144	PTR	123-51-105-144.static.dsl.net.au
123.51.106.227	PTR	123-51-106-227.static.dsl.net.au
123.51.106.233	PTR	123-51-106-233.static.dsl.net.au
123.51.107.34	PTR	123-51-107-34.static.dsl.net.au
123.51.107.34	A	mx.cairnmillar.org.au
123.51.107.190	A	mail.hugoprinting.com.au
123.51.108.25	PTR	123-51-108-25.static.dsl.net.au
123.51.108.59	PTR	123-51-108-59.static.dsl.net.au
123.51.108.61	A	erea.edu.au
123.51.109.74	A	home.racma.edu.au
123.51.110.18	PTR	123-51-110-18.static.dsl.net.au
123.51.111.26	PTR	123-51-111-26.static.dsl.net.au
123.51.111.234	A+PTR	mail2.hickeyandco.com
123.51.111.234	A	hickeyandco.safenetbox.biz
123.51.111.242	A	mail.deutschmiller.com