Robtex

Up: 122.146.240.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 122.146.244.0/23
Down right: 122.146.246.0/23

IP	Type	Hostname
122.146.244.82	PTR	122-146-244-82.adsl.dynamic.sparqnet.net
122.146.244.153	PTR	122-146-244-153.adsl.dynamic.sparqnet.net
122.146.244.184	PTR	122-146-244-184.adsl.dynamic.sparqnet.net
122.146.244.250	PTR	122-146-244-250.adsl.dynamic.sparqnet.net
122.146.247.245	PTR	122-146-247-245.adsl.dynamic.sparqnet.net