Robtex

Up: 5.150.64.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 5.150.64.0/25
Down right: 5.150.64.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.150.64.2	PTR	mail.blackfen.bexley.sch.uk
5.150.64.2	A	blackfen.bexley.sch.uk
5.150.64.2	A	www.blackfen.bexley.sch.uk
5.150.64.4	A	www.3dxl.com
5.150.64.4	A	mailserver.3dxl.co.uk
5.150.64.4	A	mailserver.3dxl.com
5.150.64.21	A	southernconsortium.org.uk
5.150.64.21	A	mediaspace.org.uk
5.150.64.26	PTR	mail.sthn.co.uk
5.150.64.26	A	portal.sthelens.london
5.150.64.43	PTR	mail.douaymartyrs.co.uk
5.150.64.150	A+PTR	mail.theharefieldacademy.org
5.150.64.165	A+PTR	mail.colfes.com
5.150.64.242	A+PTR	mail.stbarts.co.uk