Robtex

Up: 185.231.240.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 185.231.240.0/25
Down right: 185.231.240.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.231.240.1	A+PTR	mwa-rr.virtuozzo.com
185.231.240.54	PTR	idn1.virtuozzo.com
185.231.240.54	A	truevps.com.cn
185.231.240.54	A	sw-soft.ru
185.231.240.55	PTR	idn2.virtuozzo.com
185.231.240.55	A	truevps.com.cn
185.231.240.55	A	sw-soft.ru
185.231.240.56	A	ns1.swsoft.com
185.231.240.75	A	relay.sw.ru
185.231.240.100	PTR	test.readykernel.com
185.231.240.100	A	readykernel.com