Robtex

Up: 80.90.188.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 80.90.188.0/26
Down right: 80.90.188.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.90.188.1	PTR	test3.ru
80.90.188.1	A	mail.xn--e1aadoxdfe1c4g.xn--p1ai
80.90.188.1	A	mail.bizind.ru
80.90.188.2	A	mail.decotel.su
80.90.188.2	A	condyloma.ru
80.90.188.2	A	ns2.advert4u.ru
80.90.188.38	A	ns2.mbkran.ru
80.90.188.38	A	ns1.mbkran.ru
80.90.188.98	A	mail.nod32klyuchi.ru
80.90.188.104	A	mail.parallel-compute.ru
80.90.188.114	A	mail.pashkevich74.ru
80.90.188.124	A	mail.pbcentras.net