Robtex

Up: 77.246.238.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 77.246.239.0/25
Down right: 77.246.239.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.246.239.3	A	mail.unikorgroup.ru
77.246.239.3	A	mail.unikn.ru
77.246.239.4	A+PTR	mail.inv-city.ru
77.246.239.8	A	plazacloud.ru
77.246.239.10	A+PTR	mail.plazadev.ru
77.246.239.27	A+PTR	mx.styness.ru
77.246.239.34	A+PTR	mail.textime.ru
77.246.239.34	A	mx1.textime.ru
77.246.239.38	A+PTR	mail.mkmlogistics.ru
77.246.239.42	PTR	gw.prodo.ru
77.246.239.70	A	united-discount.center
77.246.239.74	A	arefa.net
77.246.239.78	A	mail.rwvt.ru
77.246.239.85	A+PTR	gw-mx.prodo.ru
77.246.239.118	A	ex.craftmobile.ru
77.246.239.129	PTR	sr1.obr30.vland.ru
77.246.239.138	PTR	office-msk.nt-serv.com
77.246.239.140	PTR	nt-serv.com
77.246.239.141	PTR	mx01.nt-serv.com
77.246.239.197	PTR	mx.sygroup.ru
77.246.239.197	A	mx.akruks-alco.ru
77.246.239.197	A	mx.deltagrupp.com
77.246.239.203	A	mail2.sygroup.ru