Robtex

Up: 178.150.81.128/25
Can't show all results, try to descend to a more specific CIDR
Down left: 178.150.81.128/27
Down right: 178.150.81.160/27
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
178.150.81.131	PTR	131.81.150.178.triolan.net
178.150.81.133	PTR	133.81.150.178.triolan.net
178.150.81.138	PTR	138.81.150.178.triolan.net
178.150.81.139	PTR	139.81.150.178.triolan.net
178.150.81.142	PTR	142.81.150.178.triolan.net
178.150.81.143	PTR	143.81.150.178.triolan.net
178.150.81.146	PTR	146.81.150.178.triolan.net
178.150.81.151	PTR	151.81.150.178.triolan.net
178.150.81.155	PTR	155.81.150.178.triolan.net
178.150.81.158	PTR	158.81.150.178.triolan.net
178.150.81.159	PTR	159.81.150.178.triolan.net
178.150.81.160	PTR	160.81.150.178.triolan.net
178.150.81.167	PTR	167.81.150.178.triolan.net
178.150.81.167	A	ns4.petspons.ru
178.150.81.167	A	ns3.fircitris.at
178.150.81.169	PTR	169.81.150.178.triolan.net
178.150.81.185	PTR	185.81.150.178.triolan.net
178.150.81.186	PTR	186.81.150.178.triolan.net
178.150.81.188	PTR	188.81.150.178.triolan.net