Robtex

Up: 78.108.78.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 78.108.78.0/25
Down right: 78.108.78.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
78.108.78.42	PTR	krimgroup.ru
78.108.78.42	A	mx1.krimgroup.ru
78.108.78.42	A	mail.mega45.ru
78.108.78.90	A+PTR	mail.kurganmk.ru
78.108.78.90	A	ns1.kurganmk.ru
78.108.78.146	A	mail.kgk-kurgan.ru
78.108.78.149	A	kgk-kurgan.ru
78.108.78.149	A	www.kgk-kurgan.ru
78.108.78.153	A+PTR	mail-ex.kgk-kurgan.ru
78.108.78.170	A+PTR	mail.kurgan.ascon.ru
78.108.78.170	A	kurgan.ascon.ru
78.108.78.234	PTR	str.kgn.ru
78.108.78.234	A	xn--45-6kcua0cwabdfbgry.xn--p1ai
78.108.78.234	A	str45.com
78.108.78.243	A	mail.kgk-kurgan.ru