Robtex

Up: 113.21.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 113.21.32.0/21
Down right: 113.21.40.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
113.21.34.11	A	mail.bmfco.com.au
113.21.34.17	PTR	113-21-34-17.au.viaip.com
113.21.34.18	PTR	mail.prestigeautobody.com.au
113.21.34.33	PTR	33.34.21.113.isphone.com.au
113.21.34.65	PTR	65.34.21.113.isphone.com.au
113.21.34.81	PTR	113-21-34-81.au.viaip.com
113.21.34.96	PTR	113-21-34-96.au.viaip.com
113.21.34.113	PTR	113-21-34-113.au.viaip.com
113.21.34.130	PTR	113-21-34-130.au.viaip.com
113.21.34.145	PTR	113-21-34-145.au.viaip.com
113.21.34.192	PTR	113-21-34-192.au.viaip.com
113.21.34.208	PTR	113-21-34-208.au.viaip.com
113.21.34.210	PTR	113-21-34-210.au.viaip.com
113.21.37.97	PTR	97.37.21.113.isphone.com.au
113.21.37.97	A	www.warringah.nsw.gov.au
113.21.37.97	A	warringah.nsw.gov.au
113.21.37.98	PTR	113-21-37-98.au.viaip.com
113.21.37.98	A	warringahaquatic.com.au
113.21.37.108	A	rdwa.warringah.nsw.gov.au
113.21.37.112	A	eservices3.warringah.nsw.gov.au
113.21.37.113	PTR	113.37.21.113.isphone.com.au
113.21.37.113	A	glenstreet.com.au
113.21.37.113	A	www.glenstreet.com.au
113.21.37.115	A+PTR	mail.warringah.nsw.gov.au
113.21.37.132	A	remote.cabman.com
113.21.37.147	A+PTR	email.rfnsw.org.au
113.21.37.147	A	mx.pra.org.au
113.21.37.148	A	prestigepackingco.com.au
113.21.37.148	A	flourishaustralia.org.au
113.21.38.2	PTR	113-21-38-2.au.viaip.com
113.21.38.16	PTR	16.38.21.113.isphone.com.au
113.21.38.16	A	dc-97d6a6d54fa7.howtopay.com.au
113.21.39.81	PTR	113-21-39-81.au.viaip.com
113.21.39.93	A	remote.hfa.com.au
113.21.39.93	A	mail.ecf.com.au
113.21.39.97	PTR	113-21-39-97.au.viaip.com
113.21.40.0	PTR	0.40.21.113.isphone.com.au
113.21.40.0	A	cityofsydney.nsw.gov.au
113.21.40.95	A	mail.cityofsydney.nsw.gov.au
113.21.40.200	A	mail.mycoinsnow.com
113.21.40.200	A	cameronmckean.com
113.21.40.200	A	mrcrowdfunder.com
113.21.41.85	PTR	85.41.21.113.isphone.com.au
113.21.41.85	A	mail.pespk.com.au
113.21.41.192	PTR	113-21-41-192.au.viaip.com
113.21.41.192	A	mail.outdoorfabrications.com.au
113.21.41.192	A	autodiscover.outdoorfabrications.com.au
113.21.41.252	PTR	113-21-41-252.au.viaip.com
113.21.41.252	A	mail.candasurveyors.com.au
113.21.42.2	PTR	113-21-42-2.au.viaip.com
113.21.42.18	PTR	113-21-42-18.au.viaip.com
113.21.42.34	PTR	113-21-42-34.au.viaip.com
113.21.42.35	PTR	113-21-42-35.au.viaip.com
113.21.42.51	PTR	113-21-42-51.au.viaip.com
113.21.42.98	PTR	113-21-42-98.au.viaip.com
113.21.42.145	PTR	113-21-42-145.au.viaip.com
113.21.42.146	PTR	113-21-42-146.au.viaip.com
113.21.42.185	A	smartsalary.com
113.21.42.192	PTR	113-21-42-192.au.viaip.com
113.21.42.225	PTR	113-21-42-225.au.viaip.com
113.21.42.227	PTR	113-21-42-227.au.viaip.com
113.21.44.18	PTR	113-21-44-18.au.viaip.com
113.21.44.27	PTR	mail.idx.com.au
113.21.44.27	A	loudboxstudios.com
113.21.44.27	A	bmxsportsasia.com
113.21.44.28	PTR	113-21-44-28.au.viaip.com
113.21.44.210	PTR	remote.bfpractice.com
113.21.44.210	A	bfpractice.com
113.21.45.234	A	ns10.netgecko.com.au
113.21.46.176	PTR	176.46.21.113.isphone.com.au
113.21.46.176	A	mail.hubbacloud.com
113.21.46.176	A	timeexpresscourier.com
113.21.46.187	PTR	113-21-46-187.au.viaip.com
113.21.46.187	A	ns3.alphanameserver.com
113.21.47.10	PTR	113-21-47-10.au.viaip.com
113.21.47.10	A	webeomedia.com.au
113.21.47.10	A	purefinance.com.au
113.21.47.46	A	efaspam01.mcadsl.com
113.21.47.247	PTR	113-21-47-247.au.viaip.com
113.21.47.247	A	mail.buildingworkshop.com.au