Robtex

Up: 58.115.136.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 58.115.140.0/23
Down right: 58.115.142.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
58.115.140.7	A	host-58-115-140-7.dynamic.kbtelecom.net
58.115.140.76	PTR	host-58-115-140-76.dynamic.kbtelecom.net
58.115.140.96	PTR	host-58-115-140-96.dynamic.kbtelecom.net
58.115.140.138	PTR	host-58-115-140-138.dynamic.kbtelecom.net
58.115.140.165	PTR	host-58-115-140-165.dynamic.kbtelecom.net
58.115.140.244	PTR	host-58-115-140-244.dynamic.kbtelecom.net
58.115.141.17	A	host-58-115-141-17.dynamic.kbtelecom.net
58.115.141.73	PTR	host-58-115-141-73.dynamic.kbtelecom.net
58.115.141.93	PTR	host-58-115-141-93.dynamic.kbtelecom.net
58.115.141.99	PTR	host-58-115-141-99.dynamic.kbtelecom.net
58.115.141.118	A	host-58-115-141-118.dynamic.kbtelecom.net
58.115.141.126	A+PTR	host-58-115-141-126.dynamic.kbtelecom.net
58.115.141.142	A	host-58-115-141-142.dynamic.kbtelecom.net
58.115.141.194	A	host-58-115-141-194.dynamic.kbtelecom.net
58.115.141.246	PTR	host-58-115-141-246.dynamic.kbtelecom.net
58.115.142.30	PTR	host-58-115-142-30.dynamic.kbtelecom.net
58.115.142.51	PTR	host-58-115-142-51.dynamic.kbtelecom.net
58.115.142.54	PTR	host-58-115-142-54.dynamic.kbtelecom.net
58.115.142.72	A+PTR	host-58-115-142-72.dynamic.kbtelecom.net
58.115.142.143	A+PTR	host-58-115-142-143.dynamic.kbtelecom.net
58.115.142.193	PTR	host-58-115-142-193.dynamic.kbtelecom.net
58.115.142.219	A	host-58-115-142-219.dynamic.kbtelecom.net
58.115.142.246	PTR	host-58-115-142-246.dynamic.kbtelecom.net
58.115.143.87	PTR	host-58-115-143-87.static.kbtelecom.net
58.115.143.87	A	host-58-115-143-87.dynamic.kbtelecom.net
58.115.143.138	A	host-58-115-143-138.dynamic.kbtelecom.net
58.115.143.173	PTR	host-58-115-143-173.static.kbtelecom.net
58.115.143.173	A	host-58-115-143-173.dynamic.kbtelecom.net
58.115.143.184	PTR	host-58-115-143-184.static.kbtelecom.net
58.115.143.184	A	ns.icgoodgo.com
58.115.143.184	A	ns2.icgoodgo.com
58.115.143.217	A+PTR	host-58-115-143-217.dynamic.kbtelecom.net