Robtex

Up: 171.33.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 171.33.248.0/22
Down right: 171.33.252.0/22

IP	Type	Hostname
171.33.248.3	PTR	3.248.33.171.ip.orionnet.ru
171.33.248.221	PTR	221.248.33.171.ip.orionnet.ru
171.33.249.223	PTR	223.249.33.171.ip.orionnet.ru
171.33.249.241	PTR	241.249.33.171.ip.orionnet.ru
171.33.249.247	PTR	247.249.33.171.ip.orionnet.ru
171.33.250.6	A+PTR	6.250.33.171.ip.orionnet.ru
171.33.250.15	PTR	15.250.33.171.ip.orionnet.ru
171.33.250.21	A+PTR	21.250.33.171.ip.orionnet.ru
171.33.250.33	A+PTR	33.250.33.171.ip.orionnet.ru
171.33.250.141	PTR	141.250.33.171.ip.orionnet.ru
171.33.250.198	PTR	198.250.33.171.ip.orionnet.ru
171.33.250.233	PTR	233.250.33.171.ip.orionnet.ru
171.33.250.250	PTR	250.250.33.171.ip.orionnet.ru
171.33.251.48	PTR	48.251.33.171.ip.orionnet.ru
171.33.251.66	PTR	66.251.33.171.ip.orionnet.ru
171.33.251.68	A+PTR	68.251.33.171.ip.orionnet.ru
171.33.251.104	PTR	104.251.33.171.ip.orionnet.ru
171.33.251.119	PTR	119.251.33.171.ip.orionnet.ru
171.33.251.127	A+PTR	127.251.33.171.ip.orionnet.ru
171.33.251.147	A+PTR	147.251.33.171.ip.orionnet.ru
171.33.251.164	PTR	164.251.33.171.ip.orionnet.ru
171.33.251.185	PTR	185.251.33.171.ip.orionnet.ru
171.33.251.195	PTR	195.251.33.171.ip.orionnet.ru
171.33.252.70	PTR	70.252.33.171.ip.orionnet.ru
171.33.252.150	PTR	150.252.33.171.ip.orionnet.ru
171.33.252.201	PTR	201.252.33.171.ip.orionnet.ru
171.33.252.246	PTR	246.252.33.171.ip.orionnet.ru
171.33.253.18	PTR	18.253.33.171.ip.orionnet.ru
171.33.253.53	A	53.253.33.171.ip.orionnet.ru
171.33.253.113	PTR	113.253.33.171.ip.orionnet.ru
171.33.253.145	PTR	145.253.33.171.ip.orionnet.ru
171.33.253.168	PTR	168.253.33.171.ip.orionnet.ru
171.33.254.33	PTR	33.254.33.171.ip.orionnet.ru
171.33.254.71	PTR	71.254.33.171.ip.orionnet.ru
171.33.254.100	PTR	100.254.33.171.ip.orionnet.ru
171.33.254.105	PTR	105.254.33.171.ip.orionnet.ru
171.33.254.194	PTR	194.254.33.171.ip.orionnet.ru
171.33.255.23	PTR	23.255.33.171.ip.orionnet.ru
171.33.255.50	PTR	50.255.33.171.ip.orionnet.ru
171.33.255.100	PTR	100.255.33.171.ip.orionnet.ru
171.33.255.105	PTR	105.255.33.171.ip.orionnet.ru
171.33.255.118	PTR	118.255.33.171.ip.orionnet.ru
171.33.255.209	PTR	209.255.33.171.ip.orionnet.ru
171.33.255.255	PTR	255.255.33.171.ip.orionnet.ru