Robtex

Up: 77.82.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 77.82.56.0/23
Down right: 77.82.58.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.82.56.1	A+PTR	host77-82-56-1.kamchatka.ru
77.82.56.4	A+PTR	host77-82-56-4.kamchatka.ru
77.82.56.5	A+PTR	host77-82-56-5.kamchatka.ru
77.82.56.6	A+PTR	host77-82-56-6.kamchatka.ru
77.82.56.9	A+PTR	host77-82-56-9.kamchatka.ru
77.82.56.10	A+PTR	host77-82-56-10.kamchatka.ru
77.82.56.22	A+PTR	host77-82-56-22.kamchatka.ru
77.82.56.24	A+PTR	host77-82-56-24.kamchatka.ru
77.82.56.27	A+PTR	host77-82-56-27.kamchatka.ru
77.82.56.28	A+PTR	host77-82-56-28.kamchatka.ru
77.82.56.29	PTR	hst77-82-56-29.real.kamchatka.ru
77.82.56.40	A+PTR	host77-82-56-40.kamchatka.ru
77.82.56.46	PTR	hst77-82-56-46.real.kamchatka.ru
77.82.56.49	A+PTR	host77-82-56-49.kamchatka.ru
77.82.56.52	A+PTR	host77-82-56-52.kamchatka.ru
77.82.56.56	PTR	hst77-82-56-56.real.kamchatka.ru
77.82.56.70	A+PTR	host77-82-56-70.kamchatka.ru
77.82.56.75	A+PTR	host77-82-56-75.kamchatka.ru
77.82.56.85	A+PTR	host77-82-56-85.kamchatka.ru
77.82.56.92	A+PTR	host77-82-56-92.kamchatka.ru
77.82.56.93	A+PTR	host77-82-56-93.kamchatka.ru
77.82.56.99	A+PTR	host77-82-56-99.kamchatka.ru
77.82.56.100	A+PTR	host77-82-56-100.kamchatka.ru
77.82.56.104	A+PTR	host77-82-56-104.kamchatka.ru
77.82.56.113	A+PTR	host77-82-56-113.kamchatka.ru
77.82.56.114	A+PTR	host77-82-56-114.kamchatka.ru
77.82.56.116	A+PTR	host77-82-56-116.kamchatka.ru
77.82.56.121	A+PTR	host77-82-56-121.kamchatka.ru
77.82.56.123	A+PTR	host77-82-56-123.kamchatka.ru
77.82.56.130	A+PTR	host77-82-56-130.kamchatka.ru
77.82.56.131	A+PTR	host77-82-56-131.kamchatka.ru
77.82.56.132	A+PTR	host77-82-56-132.kamchatka.ru
77.82.56.136	A+PTR	host77-82-56-136.kamchatka.ru
77.82.56.137	A+PTR	host77-82-56-137.kamchatka.ru
77.82.56.139	A+PTR	host77-82-56-139.kamchatka.ru
77.82.56.145	A+PTR	host77-82-56-145.kamchatka.ru
77.82.56.146	A+PTR	host77-82-56-146.kamchatka.ru
77.82.56.147	A+PTR	host77-82-56-147.kamchatka.ru
77.82.56.151	A+PTR	host77-82-56-151.kamchatka.ru
77.82.56.153	A+PTR	host77-82-56-153.kamchatka.ru
77.82.56.154	A+PTR	host77-82-56-154.kamchatka.ru
77.82.56.164	A+PTR	host77-82-56-164.kamchatka.ru
77.82.56.169	A+PTR	host77-82-56-169.kamchatka.ru
77.82.56.181	A+PTR	host77-82-56-181.kamchatka.ru
77.82.56.196	A+PTR	host77-82-56-196.kamchatka.ru
77.82.56.201	A+PTR	host77-82-56-201.kamchatka.ru
77.82.56.204	A+PTR	host77-82-56-204.kamchatka.ru
77.82.56.220	A+PTR	host77-82-56-220.kamchatka.ru
77.82.56.221	A+PTR	host77-82-56-221.kamchatka.ru
77.82.56.228	PTR	hst77-82-56-228.real.kamchatka.ru
77.82.56.229	A+PTR	host77-82-56-229.kamchatka.ru
77.82.56.231	A+PTR	host77-82-56-231.kamchatka.ru
77.82.56.233	A+PTR	host77-82-56-233.kamchatka.ru
77.82.56.234	A+PTR	host77-82-56-234.kamchatka.ru
77.82.56.236	A+PTR	host77-82-56-236.kamchatka.ru
77.82.56.238	A+PTR	host77-82-56-238.kamchatka.ru
77.82.56.241	A+PTR	host77-82-56-241.kamchatka.ru
77.82.56.247	A+PTR	host77-82-56-247.kamchatka.ru
77.82.56.254	A+PTR	host77-82-56-254.kamchatka.ru
77.82.57.0	PTR	host77-82-57-0.kamchatka.ru
77.82.57.66	A+PTR	host77-82-57-66.kamchatka.ru
77.82.57.78	A+PTR	host77-82-57-78.kamchatka.ru
77.82.57.111	PTR	host77-82-57-111.kamchatka.ru
77.82.57.138	PTR	host77-82-57-138.kamchatka.ru
77.82.57.138	A	touchstoneconsult.co.uk
77.82.57.138	A	astona.info
77.82.57.206	A+PTR	host77-82-57-206.kamchatka.ru
77.82.57.221	A+PTR	host77-82-57-221.kamchatka.ru
77.82.57.255	A+PTR	host77-82-57-255.kamchatka.ru
77.82.58.0	PTR	host77-82-58-0.kamchatka.ru
77.82.58.29	A+PTR	host77-82-58-29.kamchatka.ru
77.82.58.84	A+PTR	host77-82-58-84.kamchatka.ru
77.82.58.253	A+PTR	host77-82-58-253.kamchatka.ru
77.82.59.0	PTR	host77-82-59-0.kamchatka.ru
77.82.59.6	A+PTR	host77-82-59-6.kamchatka.ru
77.82.59.9	A+PTR	host77-82-59-9.kamchatka.ru
77.82.59.101	A+PTR	host77-82-59-101.kamchatka.ru
77.82.59.127	PTR	host77-82-59-127.kamchatka.ru
77.82.59.128	PTR	host77-82-59-128.kamchatka.ru
77.82.59.136	A+PTR	host77-82-59-136.kamchatka.ru
77.82.59.164	A+PTR	host77-82-59-164.kamchatka.ru
77.82.59.253	A+PTR	webcache-sobolevo-gw.kamchatka.ru
77.82.59.255	PTR	host77-82-59-255.kamchatka.ru