Robtex

Up: 123.200.176.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 123.200.176.0/22
Down right: 123.200.180.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.200.177.100	A	mail2.bodylinembr.com.au
123.200.179.12	PTR	ir-ntp1.anycast.iseek.com.au
123.200.179.12	A	ntp.iseek.com.au
123.200.179.12	A	ir-ntp.anycast.iseek.com.au
123.200.179.13	PTR	ir-ntp2.anycast.iseek.com.au
123.200.179.13	A	ntp.iseek.com.au
123.200.179.13	A	ir-ntp.anycast.iseek.com.au
123.200.179.44	A	ntp.iseek.com.au
123.200.179.45	A	ntp.iseek.com.au
123.200.179.71	PTR	exchange3.intranet.iseek.com.au
123.200.179.78	A+PTR	isk-exchange1.intranet.iseek.com.au
123.200.179.78	A	exchange.intranet.iseek.com.au
123.200.179.79	PTR	autodiscover.iseek.com.au.179.200.123.in-addr.arpa
123.200.179.79	A	isk-exchange1.intranet.iseek.com.au
123.200.179.80	PTR	tsfarm.desktopservices.iseek.com.au
123.200.179.80	A	tsfarm.intranet.iseek.com.au
123.200.179.80	A	ts.intranet.iseek.com.au
123.200.179.90	A+PTR	fs1.desktopservices.iseek.com.au
123.200.179.90	A	ad1.iseek.com.au
123.200.179.90	A	fs1.intranet.iseek.com.au
123.200.179.108	A	ntp.iseek.com.au
123.200.179.109	A	ntp.iseek.com.au
123.200.180.135	A	mail2.nuw.org.au
123.200.181.67	PTR	remote.ericdavisdental.com
123.200.181.67	A	remote.nutritiondiagnostics.com
123.200.181.139	A	remote.dowgrp.com
123.200.181.142	A+PTR	vmexchangecas.datacloud365.com.au
123.200.181.193	A	mail.alchemia.com.au
123.200.181.235	A	mail.euroglass.com.au
123.200.181.252	A+PTR	vmexchangecas01.datacloud365.com.au
123.200.181.252	A	email.datacloud365.com.au
123.200.182.27	A	mail.sessionsbuilders.com
123.200.182.42	A+PTR	mail.unitedtoolsalbany.com.au