Robtex

Up: 153.107.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 153.107.40.0/22
Down right: 153.107.44.0/22

IP	Type	Hostname
153.107.41.11	A+PTR	dns1.det.nsw.edu.au
153.107.41.11	PTR	dns1.publicschools.nsw.gov.au
153.107.41.12	A+PTR	dns2.det.nsw.edu.au
153.107.41.12	PTR	dns2.publicschools.nsw.gov.au
153.107.41.47	A+PTR	rpx3.det.nsw.edu.au
153.107.41.54	A	gtmlisten01.det.nsw.edu.au
153.107.41.100	A+PTR	srpx.det.nsw.edu.au
153.107.41.146	A	uac.det.nsw.edu.au
153.107.41.149	A	up-smx-s3.det.nsw.edu.au