Robtex

Up: 123.51.124.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 123.51.125.0/25
Down right: 123.51.125.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.51.125.21	PTR	123-51-125-21.static.dsl.net.au
123.51.125.21	A	lifebuddy.tv
123.51.125.23	PTR	123-51-125-23.static.dsl.net.au
123.51.125.23	A	powers.co.nz
123.51.125.25	PTR	123-51-125-25.static.dsl.net.au
123.51.125.25	A	franks.com.au
123.51.125.28	PTR	123-51-125-28.static.dsl.net.au
123.51.125.28	A	arcfm.com.au
123.51.125.28	A	neps.com.au
123.51.125.65	PTR	123-51-125-65.static.dsl.net.au
123.51.125.65	A	owa.allistersarris.com
123.51.125.65	A	owa.connectit.com.au
123.51.125.66	PTR	123-51-125-66.static.dsl.net.au
123.51.125.66	A	he.connectit.com.au
123.51.125.66	A	owa.drstubbs.com.au
123.51.125.86	A	mail.ausmarinetech.com.au
123.51.125.90	A	mail1.paramountair.com.au
123.51.125.100	A+PTR	schots-mail.schots.com.au
123.51.125.114	A	mail.azuminicloud.com
123.51.125.114	A	azuminicloud.com
123.51.125.118	PTR	123-51-125-118.static.dsl.net.au
123.51.125.151	PTR	mail7.apachost.com
123.51.125.151	A	*.webassets.com.au
123.51.125.151	A	mail.sell-my-house-privately.co.uk
123.51.125.152	PTR	123-51-125-152.static.dsl.net.au
123.51.125.152	A	mail.ideograph.net.au
123.51.125.152	A	buytolettips.com
123.51.125.153	PTR	123-51-125-153.static.dsl.net.au
123.51.125.154	PTR	ns3.apachost.com
123.51.125.154	A	ns4.apachost.com
123.51.125.155	PTR	123-51-125-155.static.dsl.net.au
123.51.125.155	A	worldsbestcompost.com
123.51.125.155	A	clarkcorp.biz
123.51.125.157	PTR	123-51-125-157.static.dsl.net.au
123.51.125.158	PTR	mail6.apachost.com
123.51.125.158	A	mail.the-inner-secrets.com
123.51.125.158	A	mail.underachieverlife.com
123.51.125.232	PTR	123-51-125-232.static.dsl.net.au
123.51.125.233	PTR	123-51-125-233.static.dsl.net.au
123.51.125.241	PTR	123-51-125-241.static.dsl.net.au
123.51.125.241	A	mail.verticalco.com.au
123.51.125.241	A	gwpm.com.au
123.51.125.244	PTR	123-51-125-244.static.dsl.net.au
123.51.125.244	A	mail.telemed.com.au
123.51.125.245	PTR	123-51-125-245.static.dsl.net.au
123.51.125.245	A	wider.com.au