Robtex

Up: 5.172.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 5.172.48.0/21
Down right: 5.172.56.0/21

IP	Type	Hostname
5.172.48.19	A	cust48-19.nwewn.com
5.172.48.218	A	cust48-218.nwewn.com
5.172.50.26	A	cust50-26.nwewn.com
5.172.50.64	A+PTR	cust50-64.nwewn.com
5.172.50.147	A+PTR	cust50-147.nwewn.com
5.172.51.204	A	cust51-204.nwewn.com
5.172.55.96	A	cust55-96.nwewn.com
5.172.55.255	A	cust55-255.nwewn.com
5.172.56.0	A	cust56-0.nwewn.com
5.172.56.48	PTR	cust56-48.nwewn.com
5.172.58.80	PTR	cust58-80.nwewn.com
5.172.60.1	A+PTR	cust60-1.nwewn.com
5.172.63.129	A	mail.hillside-textiles.com
5.172.63.255	A	cust63-255.nwewn.com