Robtex

Up: 37.230.238.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 37.230.239.0/25
Down right: 37.230.239.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
37.230.239.1	A+PTR	37.230.239.1.leadertelecom.ru
37.230.239.2	A+PTR	37.230.239.2.leadertelecom.ru
37.230.239.3	A+PTR	37.230.239.3.leadertelecom.ru
37.230.239.4	A+PTR	37.230.239.4.leadertelecom.ru
37.230.239.6	A+PTR	37.230.239.6.leadertelecom.ru
37.230.239.7	A+PTR	37.230.239.7.leadertelecom.ru
37.230.239.8	A+PTR	37.230.239.8.leadertelecom.ru
37.230.239.9	A+PTR	37.230.239.9.leadertelecom.ru
37.230.239.10	PTR	37.230.239.10.leadertelecom.ru
37.230.239.11	PTR	37.230.239.11.leadertelecom.ru
37.230.239.13	A+PTR	37.230.239.13.leadertelecom.ru
37.230.239.15	PTR	37.230.239.15.leadertelecom.ru
37.230.239.21	PTR	37.230.239.21.leadertelecom.ru
37.230.239.26	PTR	37.230.239.26.leadertelecom.ru
37.230.239.29	PTR	37.230.239.29.leadertelecom.ru
37.230.239.30	A+PTR	37.230.239.30.leadertelecom.ru
37.230.239.31	A+PTR	37.230.239.31.leadertelecom.ru
37.230.239.32	A+PTR	mail.spk.ru
37.230.239.32	A	post.spk.ru
37.230.239.33	A+PTR	37.230.239.33.leadertelecom.ru
37.230.239.34	PTR	37.230.239.34.leadertelecom.ru
37.230.239.34	A	www.blag.spk.ru
37.230.239.34	A	perm.spk.ru
37.230.239.35	A+PTR	37.230.239.35.leadertelecom.ru
37.230.239.36	A+PTR	37.230.239.36.leadertelecom.ru
37.230.239.38	A+PTR	37.230.239.38.leadertelecom.ru
37.230.239.39	PTR	37.230.239.39.leadertelecom.ru
37.230.239.39	A	e.spk.ru
37.230.239.43	A+PTR	37.230.239.43.leadertelecom.ru
37.230.239.44	A+PTR	37.230.239.44.leadertelecom.ru
37.230.239.50	A+PTR	37.230.239.50.leadertelecom.ru
37.230.239.51	A+PTR	37.230.239.51.leadertelecom.ru
37.230.239.54	A+PTR	37.230.239.54.leadertelecom.ru
37.230.239.57	PTR	37.230.239.57.leadertelecom.ru
37.230.239.57	A	voronezh.spk.ru
37.230.239.57	A	spk.ru
37.230.239.64	A+PTR	37.230.239.64.leadertelecom.ru
37.230.239.70	A	stcenter.ru
37.230.239.255	PTR	37.230.239.255.leadertelecom.ru