Robtex

Up: 178.255.58.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 178.255.59.0/25
Down right: 178.255.59.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
178.255.59.16	PTR	remote.element-energy.co.uk
178.255.59.25	PTR	mail.adlegal.co.uk
178.255.59.30	A	mail2.globalguestlist.com
178.255.59.56	PTR	mail.entico.com
178.255.59.66	PTR	mail.thebrandingteam.co.uk
178.255.59.66	A	mail.packaging-direct.com
178.255.59.66	A	mail.goodiebagsdirect.com
178.255.59.72	PTR	mail.rlslaw.co.uk
178.255.59.77	PTR	mail.enable-ifa.com
178.255.59.175	PTR	mail.entico.com
178.255.59.175	A+PTR	remote.entico.com
178.255.59.175	A	mail.enticoevents.com