Robtex

Up: 49.0.8.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 49.0.8.0/24
Down right: 49.0.9.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
49.0.8.30	A	vpn.egslb.nbnco.net.au
49.0.8.30	A	vpn.nbnco.net.au
49.0.8.40	A+PTR	ns1.nbnco.com.au
49.0.8.40	A+PTR	ns1.nbnco.net.au
49.0.8.77	A+PTR	auth1.nbnco.net.au
49.0.8.83	A+PTR	places1.nbnco.net.au
49.0.8.83	A	places.egslb.nbnco.net.au
49.0.8.94	A	smtp1-4.nbnco.net.au
49.0.8.95	A+PTR	ttcvpn1.nbnco.net.au
49.0.8.112	PTR	adfs1.nbnco.net.au
49.0.8.112	A	adfs.nbnco.net.au
49.0.8.112	A	adfs.egslb.nbnco.net.au
49.0.8.178	A	useradminext.egslb.nbnco.net.au
49.0.8.184	A	quarantine.nbnco.net.au
49.0.8.195	A	outlook.egslb.nbnco.net.au
49.0.8.199	A	api.egslb.nbnco.net.au
49.0.8.212	A+PTR	smtp1-1.nbnco.com.au
49.0.8.212	A	smtp1-1.nbnco.net.au
49.0.8.213	A+PTR	smtp1-2.nbnco.com.au
49.0.8.213	A	smtp1-2.nbnco.net.au
49.0.8.221	A	apps.egslb.nbnco.net.au
49.0.8.230	A+PTR	dc1egslb1.nbnco.net.au
49.0.8.230	A+PTR	dc1egslb1.nbnco.com.au
49.0.8.231	A+PTR	dc1egslb2.nbnco.net.au
49.0.8.231	A+PTR	dc1egslb2.nbnco.com.au
49.0.8.243	A	ebusinessext.nbnco.net.au
49.0.8.250	A+PTR	nbn.com.au
49.0.8.250	PTR	www.nbn.com.au
49.0.8.250	A	nbntasmania.com.au