Robtex

Up: 178.150.20.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 178.150.20.0/25
Down right: 178.150.20.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
178.150.20.0	PTR	0.20.150.178.triolan.net
178.150.20.165	PTR	165.20.150.178.triolan.net
178.150.20.187	PTR	webserver.kiev.ua
178.150.20.187	A	mail.cgit.ru
178.150.20.187	A	mail.uacat.net
178.150.20.202	PTR	202.20.150.178.triolan.net
178.150.20.255	PTR	255.20.150.178.triolan.net