Robtex

Up: 203.123.58.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.123.59.0/25
Down right: 203.123.59.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.123.59.24	PTR	cp04.digitalpacific.com.au
203.123.59.28	A	28.59.123.203.static.digitalpacific.com.au
203.123.59.41	A+PTR	41.59.123.203.static.digitalpacific.com.au
203.123.59.44	A+PTR	44.59.123.203.static.digitalpacific.com.au
203.123.59.45	PTR	res03.auserver.com.au
203.123.59.45	A	mail.andra.com.au
203.123.59.45	A	katravel.com.au
203.123.59.48	PTR	48.59.123.203.static.digitalpacific.com.au
203.123.59.48	A	insideculture.com.au
203.123.59.48	A	ihn2.teknia.com.au
203.123.59.49	PTR	49.59.123.203.static.digitalpacific.com.au
203.123.59.49	A	natvia.co.nz
203.123.59.49	A	ns2.natvia.com.au
203.123.59.55	A	ded13.digitalpacific.com.au
203.123.59.65	PTR	res06.auserver.com.au
203.123.59.65	A	*.stylinup.com.au
203.123.59.65	A	mail.murraybridgehotel.net.au
203.123.59.67	A+PTR	redback.go4hosting.com.au
203.123.59.67	A	ns1.hastingshosting.com
203.123.59.67	A	ns1.havenhosting.com
203.123.59.68	PTR	ns1.go4hosting.com.au
203.123.59.68	A	ns1.snapfrozen.com
203.123.59.68	A	ns1.ausnet.com.au
203.123.59.73	A+PTR	hollister.krytie.com
203.123.59.73	A	ns1.krytie.com
203.123.59.73	A	mail.krytie.com
203.123.59.75	A+PTR	res04.auserver.com.au
203.123.59.75	A	mail.laborsupporters.com.au
203.123.59.75	A	blog.ptxcel.com.au
203.123.59.76	PTR	76.59.123.203.static.digitalpacific.com.au
203.123.59.76	A	iform.co.nz
203.123.59.76	A	mrboats.net
203.123.59.77	A	77.59.123.203.static.digitalpacific.com.au
203.123.59.80	PTR	cp09.digitalpacific.com.au
203.123.59.80	A	mail.touchmeup.com.au
203.123.59.80	A	mail.afccambodia.com
203.123.59.85	PTR	cp11.digitalpacific.com.au
203.123.59.85	A	mail.carrentalcompare.com.au
203.123.59.85	A	mail.bronteroadbistro.com
203.123.59.111	PTR	cp19.digitalpacific.com.au
203.123.59.111	A	smartfields.com
203.123.59.111	A	*.itpnb.com.au
203.123.59.118	A	*.hampersaway.com.au
203.123.59.129	A+PTR	129.59.123.203.static.digitalpacific.com.au
203.123.59.147	PTR	147.59.123.203.static.digitalpacific.com.au
203.123.59.147	A	ipeco.com.au
203.123.59.150	PTR	150.59.123.203.static.digitalpacific.com.au
203.123.59.150	A	mail.loogga.biz
203.123.59.150	A	loogga.biz
203.123.59.154	A+PTR	7363.digitalpacific.com.au
203.123.59.154	A	pont3.com
203.123.59.155	A	thelifedrawinghensydney.com
203.123.59.155	A	mail.hrcsecurity.com.au
203.123.59.155	A	mail.thelifedrawinghensydney.com
203.123.59.161	A	buckspartymelbourne.com.au
203.123.59.161	A	buckspartyperth.com.au
203.123.59.161	A	rawpoker.com.au
203.123.59.170	PTR	170.59.123.203.static.digitalpacific.com.au
203.123.59.170	A	ns1.wildeye.com.au
203.123.59.170	A	ns1.freeformaustralia.com.au
203.123.59.171	A	ded10.digitalpacific.com.au
203.123.59.175	PTR	res01.auserver.com.au
203.123.59.175	A	mail.kithomescoach.com.au
203.123.59.175	A	mail.cosmolightingwollongong.com
203.123.59.179	PTR	cp19.digitalpacific.com.au
203.123.59.179	A	procureplus.com.au
203.123.59.179	A	4seasonsfitness.com.au
203.123.59.203	PTR	203.59.123.203.static.digitalpacific.com.au
203.123.59.206	A	206.59.123.203.static.digitalpacific.com.au
203.123.59.210	PTR	cp19.digitalpacific.com.au
203.123.59.210	A	aviationessence.biz
203.123.59.210	A	aviationessence.tv
203.123.59.216	PTR	server.pegras.com
203.123.59.216	A	*.pegras.com
203.123.59.216	A	7072.digitalpacific.com.au
203.123.59.221	A	mail.dayslikethis.com.au
203.123.59.222	A	222.59.123.203.static.digitalpacific.com.au
203.123.59.225	PTR	225.59.123.203.static.digitalpacific.com.au
203.123.59.225	A	iodigital.org
203.123.59.225	A	dietertracey.com
203.123.59.230	PTR	230.59.123.203.static.digitalpacific.com.au
203.123.59.230	A	hostmaster.heavyequipmenttransport.com.au
203.123.59.230	A	artsdispatch.com
203.123.59.231	A+PTR	231.59.123.203.static.digitalpacific.com.au
203.123.59.231	A	sifan.org
203.123.59.231	A	mail.sifan.org
203.123.59.232	PTR	232.59.123.203.static.digitalpacific.com.au
203.123.59.232	A	buyingacaravanpark.com.au
203.123.59.232	A	mail.sellingacaravanpark.com
203.123.59.241	A+PTR	241.59.123.203.static.digitalpacific.com.au
203.123.59.241	A	mail.townhallhotel.com.au
203.123.59.241	A	mail.newageing.com.au
203.123.59.244	A	244.59.123.203.static.digitalpacific.com.au
203.123.59.245	PTR	245.59.123.203.static.digitalpacific.com.au
203.123.59.245	A	leedunford.com.au
203.123.59.245	A	mail.wirthconsulting.com.au
203.123.59.247	A+PTR	247.59.123.203.static.digitalpacific.com.au
203.123.59.247	A	beeroclock.info
203.123.59.247	A	mytankjournal.com
203.123.59.250	PTR	250.59.123.203.static.digitalpacific.com.au
203.123.59.250	A	paneforma.com
203.123.59.250	A	apackchemical.com