Robtex

Up: 83.138.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 83.138.32.0/22
Down right: 83.138.36.0/22

IP	Type	Hostname
83.138.32.1	A+PTR	gw-westlakes.netnw.net.uk
83.138.33.68	A	mail.telegeneration.com
83.138.33.114	A	mangw.ipsa-power.com
83.138.33.149	A	mail2.sentricdigital.com
83.138.34.3	PTR	ocp2.citrusinternet.co.uk
83.138.34.8	PTR	ocp8.netnw.net.uk
83.138.34.17	PTR	ocp17.netnw.net.uk
83.138.34.25	PTR	ocp25.netnw.net.uk
83.138.34.27	PTR	ocp27.netnw.net.uk
83.138.34.33	PTR	ocp33.netnw.net.uk
83.138.34.35	PTR	ocp35.netnw.net.uk
83.138.34.43	PTR	ocp43.netnw.net.uk
83.138.34.50	PTR	ocp50.netnw.net.uk
83.138.34.72	PTR	ocp72.netnw.net.uk
83.138.34.80	PTR	ocp80.netnw.net.uk
83.138.34.89	PTR	ocp89.netnw.net.uk
83.138.34.97	PTR	ocp97.netnw.net.uk
83.138.34.106	PTR	ocp106.netnw.net.uk
83.138.34.138	PTR	ocp138.netnw.net.uk
83.138.34.178	PTR	ocp178.netnw.net.uk
83.138.34.179	PTR	ocp179.netnw.net.uk
83.138.34.227	PTR	ocp227.netnw.net.uk
83.138.34.235	PTR	ocp235.netnw.net.uk
83.138.34.241	PTR	ocp241.netnw.net.uk
83.138.34.243	PTR	ocp243.netnw.net.uk
83.138.34.248	PTR	ocp248.netnw.net.uk
83.138.39.0	PTR	no-reverse.netnw.net.uk
83.138.39.24	PTR	no-reverse.netnw.net.uk
83.138.39.24	A	discountspy.co.uk
83.138.39.98	PTR	no-reverse.netnw.net.uk
83.138.39.98	A	tenderline.co.uk