Robtex

Up: 220.244.28.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 220.244.30.0/24
Down right: 220.244.31.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
220.244.30.2	A	server.redsglobal.com
220.244.30.42	A	primarymail.arita.com.au
220.244.30.42	A	mail.arita.com.au
220.244.30.42	A	primarymail.ipaa.com.au
220.244.30.122	A+PTR	mail.blochworld.com
220.244.30.122	A	mail.blochstore.com
220.244.30.122	A	smtp.jozette.com
220.244.30.123	PTR	mail.pather.com.au
220.244.30.124	A+PTR	220-244-30-124.static.tpgi.com.au
220.244.30.124	A	mail.northbridgeadmin.com.au
220.244.30.126	A+PTR	220-244-30-126.static.tpgi.com.au
220.244.30.126	A	mail.musicaviva.com.au
220.244.30.134	A	mail4.team-trackers.cz
220.244.30.134	A	barracuda.bluelinkservices.com.au
220.244.30.150	A+PTR	220-244-30-150.static.tpgi.com.au
220.244.30.150	A	mail.wilken.com.au
220.244.30.166	A+PTR	220-244-30-166.static.tpgi.com.au
220.244.30.166	A	remote.smi-mediaindex.com
220.244.30.205	A+PTR	220-244-30-205.static.tpgi.com.au
220.244.31.2	A+PTR	220-244-31-2.static.tpgi.com.au
220.244.31.18	A	mail.protocomtech.com.au
220.244.31.30	A	accesscomms.com.au
220.244.31.74	A+PTR	220-244-31-74.static.tpgi.com.au
220.244.31.142	A+PTR	220-244-31-142.static.tpgi.com.au
220.244.31.148	A	mail.curwoods.com.au
220.244.31.166	A+PTR	220-244-31-166.static.tpgi.com.au
220.244.31.166	A	mail.blighcapital.com.au
220.244.31.234	PTR	220-244-31-234.static.tpgi.com.au
220.244.31.234	A	mail2.altisarchitecture.com
220.244.31.234	A	mail.altisarchitecture.com
220.244.31.242	PTR	ns11.correct.net.au
220.244.31.242	A	ns23.correct.net.au
220.244.31.242	A	ns3.coredv.net.au