Robtex

Up: 217.53.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 217.53.128.0/18
Down right: 217.53.192.0/18

IP	Type	Hostname
217.53.138.17	PTR	host.217.53.138.17.nile-online.net
217.53.138.66	PTR	host.217.53.138.66.nile-online.net
217.53.147.2	PTR	host.217.53.147.2.nile-online.net
217.53.147.128	PTR	host.217.53.147.128.nile-online.net
217.53.148.3	PTR	host.217.53.148.3.nile-online.net
217.53.150.130	PTR	host.217.53.150.130.nile-online.net
217.53.151.130	PTR	host.217.53.151.130.nile-online.net
217.53.153.101	PTR	host.217.53.153.101.nile-online.net
217.53.155.3	PTR	host.217.53.155.3.nile-online.net
217.53.155.129	PTR	host.217.53.155.129.nile-online.net
217.53.155.131	PTR	host.217.53.155.131.nile-online.net
217.53.156.2	PTR	host.217.53.156.2.nile-online.net
217.53.158.2	PTR	host.217.53.158.2.nile-online.net
217.53.159.1	PTR	host.217.53.159.1.nile-online.net
217.53.159.4	PTR	host.217.53.159.4.nile-online.net
217.53.159.129	PTR	host.217.53.159.129.nile-online.net
217.53.159.131	PTR	host.217.53.159.131.nile-online.net
217.53.164.129	PTR	host.217.53.164.129.nile-online.net
217.53.171.129	PTR	host.217.53.171.129.nile-online.net
217.53.172.1	PTR	host.217.53.172.1.nile-online.net
217.53.172.2	PTR	host.217.53.172.2.nile-online.net
217.53.175.1	PTR	host.217.53.175.1.nile-online.net
217.53.175.4	PTR	host.217.53.175.4.nile-online.net
217.53.191.145	PTR	host.217.53.191.145.nile-online.net
217.53.194.175	PTR	host.217.53.194.175.nile-online.net
217.53.204.130	PTR	host.217.53.204.130.nile-online.net
217.53.224.128	PTR	host.217.53.224.128.nile-online.net
217.53.231.2	PTR	host.217.53.231.2.nile-online.net
217.53.239.1	PTR	host.217.53.239.1.nile-online.net
217.53.239.131	PTR	host.217.53.239.131.nile-online.net
217.53.242.2	PTR	host.217.53.242.2.nile-online.net
217.53.242.129	PTR	host.217.53.242.129.nile-online.net
217.53.242.130	PTR	host.217.53.242.130.nile-online.net
217.53.243.131	PTR	host.217.53.243.131.nile-online.net
217.53.244.45	PTR	host.217.53.244.45.nile-online.net
217.53.247.130	PTR	host.217.53.247.130.nile-online.net
217.53.247.131	PTR	host.217.53.247.131.nile-online.net
217.53.252.2	PTR	host.217.53.252.2.nile-online.net
217.53.252.3	PTR	host.217.53.252.3.nile-online.net
217.53.252.129	PTR	host.217.53.252.129.nile-online.net
217.53.252.130	PTR	host.217.53.252.130.nile-online.net
217.53.252.131	PTR	host.217.53.252.131.nile-online.net