Robtex

Up: 91.204.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 91.204.68.0/23
Down right: 91.204.70.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.204.68.1	PTR	node-68-1.tlstr.ru
91.204.68.1	A	speedtest.hl.ru
91.204.68.1	A	alpha.highlink.ru
91.204.68.4	A+PTR	ns1.tlstr.ru
91.204.68.7	A+PTR	www.tlstr.ru
91.204.68.7	A	tlstr.ru
91.204.68.7	A	telestor.net
91.204.68.10	PTR	node-68-10.tlstr.ru
91.204.68.10	A	mx.highlink.ru
91.204.68.10	A	domhim.ru
91.204.68.12	PTR	12.68.hl.ru
91.204.68.36	A+PTR	ns2.tlstr.ru
91.204.68.39	PTR	node-68-39.tlstr.ru
91.204.68.39	A	www.hl.ru
91.204.68.58	A	cf.highlink.ru
91.204.68.68	PTR	68.68.hl.ru
91.204.68.68	A	ns4.tlstr.ru
91.204.68.73	PTR	rt01.hl.ru
91.204.68.73	A	hl.ru
91.204.68.87	PTR	node-68-87.tlstr.ru
91.204.68.146	PTR	146.68.hl.ru
91.204.68.146	A	hl.ru
91.204.68.174	A	mail.translogistics.spb.ru
91.204.68.198	PTR	198.68.hl.ru
91.204.68.198	A	mrtarasyuk.ru
91.204.68.199	PTR	node-68-199.tlstr.ru
91.204.68.215	PTR	node-68-215.tlstr.ru
91.204.69.4	PTR	4.69.hl.ru
91.204.69.4	A	ns3.tlstr.ru
91.204.69.5	PTR	node-69-5.tlstr.ru
91.204.69.9	PTR	node-69-9.tlstr.ru
91.204.69.10	PTR	node-69-10.tlstr.ru
91.204.69.23	PTR	node-69-23.tlstr.ru
91.204.69.26	PTR	mail.alcopaproject.spb.ru
91.204.69.27	PTR	node-69-27.tlstr.ru
91.204.69.35	PTR	node-69-35.tlstr.ru
91.204.69.37	PTR	node-69-37.tlstr.ru
91.204.69.38	PTR	node-69-38.tlstr.ru
91.204.69.39	PTR	node-69-39.tlstr.ru
91.204.69.46	PTR	node-69-46.tlstr.ru
91.204.69.47	PTR	node-69-47.tlstr.ru
91.204.69.50	PTR	node-69-50.tlstr.ru
91.204.69.55	PTR	node-69-55.tlstr.ru
91.204.69.58	PTR	node-69-58.tlstr.ru
91.204.69.70	PTR	70.69.hl.ru
91.204.69.70	A	mx.russouvenirs.ru
91.204.69.71	PTR	node-69-71.tlstr.ru
91.204.69.77	PTR	node-69-77.tlstr.ru
91.204.69.87	PTR	node-69-87.tlstr.ru
91.204.69.90	PTR	node-69-90.tlstr.ru
91.204.69.96	PTR	node-69-96.tlstr.ru
91.204.69.105	PTR	node-69-105.tlstr.ru
91.204.69.107	PTR	node-69-107.tlstr.ru
91.204.69.110	PTR	node-69-110.tlstr.ru
91.204.69.111	PTR	node-69-111.tlstr.ru
91.204.69.115	PTR	node-69-115.tlstr.ru
91.204.69.116	PTR	node-69-116.tlstr.ru
91.204.69.123	PTR	node-69-123.tlstr.ru
91.204.69.126	PTR	node-69-126.tlstr.ru
91.204.69.127	PTR	node-69-127.tlstr.ru
91.204.69.128	PTR	node-69-128.tlstr.ru
91.204.69.131	PTR	node-69-131.tlstr.ru
91.204.69.134	PTR	node-69-134.tlstr.ru
91.204.69.138	PTR	node-69-138.tlstr.ru
91.204.69.150	PTR	node-69-150.tlstr.ru
91.204.69.151	PTR	node-69-151.tlstr.ru
91.204.69.162	PTR	node-69-162.tlstr.ru
91.204.69.164	PTR	node-69-164.tlstr.ru
91.204.69.168	PTR	node-69-168.tlstr.ru
91.204.69.186	PTR	node-69-186.tlstr.ru
91.204.69.199	PTR	node-69-199.tlstr.ru
91.204.69.208	PTR	node-69-208.tlstr.ru
91.204.69.213	PTR	node-69-213.tlstr.ru
91.204.69.214	PTR	node-69-214.tlstr.ru
91.204.69.215	PTR	node-69-215.tlstr.ru
91.204.69.216	PTR	node-69-216.tlstr.ru
91.204.69.226	PTR	node-69-226.tlstr.ru
91.204.69.226	A	mail.pm-prom.ru
91.204.69.226	A	mail.pmp.ru
91.204.69.229	PTR	node-69-229.tlstr.ru
91.204.69.234	PTR	node-69-234.tlstr.ru
91.204.69.237	PTR	node-69-237.tlstr.ru
91.204.69.238	PTR	node-69-238.tlstr.ru
91.204.69.250	A	250.69.hl.ru
91.204.70.6	PTR	node-70-6.tlstr.ru
91.204.70.10	PTR	node-70-10.tlstr.ru
91.204.70.14	A	mail.mserv.ru
91.204.70.58	PTR	58.70.hl.ru
91.204.70.74	A	vista-tech.ru
91.204.70.84	PTR	node-70-84.tlstr.ru
91.204.70.85	PTR	85.70.hl.ru
91.204.70.114	PTR	vineyard.ru
91.204.70.190	A	safehosting.ru
91.204.70.234	A+PTR	mail.inflotww.com
91.204.71.42	PTR	node-71-42.tlstr.ru
91.204.71.66	A	mail.fcp-service.ru
91.204.71.178	A	mail.light-decisions.ru
91.204.71.255	PTR	node-71-255.tlstr.ru