Robtex

Up: 185.40.28.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 185.40.28.128/26
Down right: 185.40.28.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.40.28.131	A+PTR	mail.atmart.ru
185.40.28.131	PTR	mail.it-il.ru
185.40.28.141	A	www.pfexp.ru
185.40.28.141	A	pfexp.ru
185.40.28.150	A	it-il.ru
185.40.28.153	PTR	mail.standard-test.com
185.40.28.153	A+PTR	mail.standart-test.ru
185.40.28.153	A+PTR	mail.tender.bi