Robtex

Up: 84.244.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 84.244.20.0/23
Down right: 84.244.22.0/23

IP	Type	Hostname
84.244.20.8	PTR	84-224-20-8.pppoe.irknet.ru
84.244.20.37	PTR	84-224-20-37.pppoe.irknet.ru
84.244.20.61	A+PTR	84-244-20-61.pppoe.irknet.ru
84.244.20.90	PTR	84-224-20-90.pppoe.irknet.ru
84.244.20.169	PTR	84-224-20-169.pppoe.irknet.ru
84.244.20.212	PTR	84-224-20-212.pppoe.irknet.ru
84.244.20.243	PTR	84-224-20-243.pppoe.irknet.ru
84.244.20.249	PTR	84-224-20-249.pppoe.irknet.ru
84.244.21.97	PTR	84-224-21-97.pppoe.irknet.ru
84.244.21.108	PTR	84-224-21-108.pppoe.irknet.ru
84.244.21.117	PTR	84-224-21-117.pppoe.irknet.ru
84.244.21.137	PTR	84-224-21-137.pppoe.irknet.ru
84.244.21.229	PTR	84-244-21-229.pppoe.irknet.ru
84.244.22.40	PTR	84-224-22-40.pppoe.irknet.ru
84.244.22.56	PTR	84-224-22-56.pppoe.irknet.ru
84.244.22.57	PTR	84-224-22-57.pppoe.irknet.ru
84.244.22.79	PTR	84-224-22-79.pppoe.irknet.ru
84.244.22.90	PTR	84-224-22-90.pppoe.irknet.ru
84.244.22.126	PTR	84-224-22-126.pppoe.irknet.ru
84.244.22.149	PTR	84-224-22-149.pppoe.irknet.ru
84.244.22.178	PTR	84-224-22-178.pppoe.irknet.ru
84.244.22.196	PTR	84-224-22-196.pppoe.irknet.ru
84.244.22.254	PTR	84-224-22-254.pppoe.irknet.ru
84.244.23.2	A+PTR	84-244-23-2.pppoe.irknet.ru
84.244.23.77	PTR	84-224-23-77.pppoe.irknet.ru
84.244.23.104	PTR	84-224-23-104.pppoe.irknet.ru
84.244.23.122	PTR	84-224-23-122.pppoe.irknet.ru
84.244.23.126	PTR	84-224-23-126.pppoe.irknet.ru
84.244.23.156	PTR	84-224-23-156.pppoe.irknet.ru
84.244.23.194	PTR	84-224-23-194.pppoe.irknet.ru
84.244.23.199	PTR	84-224-23-199.pppoe.irknet.ru
84.244.23.209	PTR	84-224-23-209.pppoe.irknet.ru
84.244.23.210	PTR	84-224-23-210.pppoe.irknet.ru
84.244.23.217	PTR	84-224-23-217.pppoe.irknet.ru
84.244.23.223	PTR	84-224-23-223.pppoe.irknet.ru
84.244.23.233	PTR	84-224-23-233.pppoe.irknet.ru
84.244.23.240	PTR	84-224-23-240.pppoe.irknet.ru
84.244.23.242	PTR	84-224-23-242.pppoe.irknet.ru