Robtex

Up: 80.242.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 80.242.68.0/23
Down right: 80.242.70.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.242.68.1	PTR	gw1.ksn.ru
80.242.68.10	A+PTR	mail.sniiggims.ru
80.242.68.11	A+PTR	ns.sniiggims.ru
80.242.68.11	A	sniiggims_srv.sniiggims.ru
80.242.68.11	A	sniiggims.ru
80.242.68.13	PTR	mail.ssricc.ru
80.242.68.13	A	mail.ekopolis54.ru
80.242.68.14	A+PTR	edge.sniiggims.ru
80.242.68.15	A+PTR	ip68-15.ipblk.ksn.ru
80.242.68.21	PTR	ip68-21.ipblk.ksn.ru
80.242.68.23	PTR	ip68-23.ipblk.ksn.ru
80.242.68.40	A+PTR	www.sniiggims.ru
80.242.68.40	A	sniiggims.ru
80.242.68.40	A	xn--c1aanacyb5ah.xn--p1ai
80.242.68.100	A+PTR	ip68-100.ipblk.ksn.ru
80.242.68.100	A	sniiggims.ru
80.242.68.100	A	rossfin.ru
80.242.68.102	A+PTR	ip68-102.ipblk.ksn.ru
80.242.68.102	A	sniiggims.ru
80.242.68.103	PTR	ip68-103.ipblk.ksn.ru
80.242.68.166	A+PTR	ip68-166.ipblk.ksn.ru
80.242.68.183	A+PTR	ip68-183.ipblk.ksn.ru
80.242.68.185	PTR	ip68-185.ipblk.ksn.ru
80.242.68.185	A	sniiggims.ru
80.242.68.188	A+PTR	ip68-188.ipblk.ksn.ru
80.242.68.188	A	sniiggims.ru
80.242.68.208	A+PTR	ip68-208.ipblk.ksn.ru
80.242.69.1	PTR	gw1.ksn.ru
80.242.69.1	A	ip69-1.ipblk.ksn.ru
80.242.69.2	A+PTR	online.ace.ru
80.242.69.2	A	mail.ace.ru
80.242.69.2	A	www.ace.ru
80.242.69.4	A+PTR	mail.acris.ru
80.242.69.5	A+PTR	ip69-5.ipblk.ksn.ru
80.242.69.7	A	mail.tour-assorti.ru
80.242.69.7	A	xn--80aqridaj.xn--p1ai
80.242.69.8	A+PTR	mail.tour.ace.ru
80.242.69.8	A	tour.ace.ru
80.242.69.9	A+PTR	ip69-9.ipblk.ksn.ru
80.242.69.10	A+PTR	ip69-10.ipblk.ksn.ru
80.242.69.12	PTR	mail.bus54.ru
80.242.69.12	A	ip69-12.ipblk.ksn.ru
80.242.69.12	A	mail.sib-gid.ru
80.242.69.13	A	xn-----clcjwbap3ackrjee3c5f.xn--p1ai
80.242.69.14	A	ip69-14.ipblk.ksn.ru
80.242.69.18	A	ip69-18.ipblk.ksn.ru
80.242.69.19	A+PTR	ip69-19.ipblk.ksn.ru
80.242.69.21	A+PTR	ip69-21.ipblk.ksn.ru
80.242.69.25	A	ip69-25.ipblk.ksn.ru
80.242.69.27	A+PTR	ip69-27.ipblk.ksn.ru
80.242.69.30	PTR	ns.ace.ru
80.242.69.34	A+PTR	ip69-34.ipblk.ksn.ru
80.242.69.39	A+PTR	ip69-39.ipblk.ksn.ru
80.242.69.43	A+PTR	ip69-43.ipblk.ksn.ru
80.242.69.45	A+PTR	ip69-45.ipblk.ksn.ru
80.242.69.58	A	ip69-58.ipblk.ksn.ru
80.242.69.60	A	ip69-60.ipblk.ksn.ru
80.242.69.64	A	ip69-64.ipblk.ksn.ru
80.242.69.65	A+PTR	ip69-65.ipblk.ksn.ru
80.242.69.66	A	ip69-66.ipblk.ksn.ru
80.242.69.71	A+PTR	ip69-71.ipblk.ksn.ru
80.242.69.73	A	ip69-73.ipblk.ksn.ru
80.242.69.77	A+PTR	ip69-77.ipblk.ksn.ru
80.242.69.78	A+PTR	ip69-78.ipblk.ksn.ru
80.242.69.80	A+PTR	ip69-80.ipblk.ksn.ru
80.242.69.86	A+PTR	ip69-86.ipblk.ksn.ru
80.242.69.87	A	ip69-87.ipblk.ksn.ru
80.242.69.89	A+PTR	ip69-89.ipblk.ksn.ru
80.242.69.91	A+PTR	ip69-91.ipblk.ksn.ru
80.242.69.103	A	ip69-103.ipblk.ksn.ru
80.242.69.104	A	ip69-104.ipblk.ksn.ru
80.242.69.106	A	ip69-106.ipblk.ksn.ru
80.242.69.109	A	ip69-109.ipblk.ksn.ru
80.242.69.110	A	ip69-110.ipblk.ksn.ru
80.242.69.111	A	ip69-111.ipblk.ksn.ru
80.242.69.112	A+PTR	ip69-112.ipblk.ksn.ru
80.242.69.112	A	hotels-gid.ru
80.242.69.113	A	ip69-113.ipblk.ksn.ru
80.242.69.114	A	ip69-114.ipblk.ksn.ru
80.242.69.119	A	ip69-119.ipblk.ksn.ru
80.242.69.122	A	ip69-122.ipblk.ksn.ru
80.242.69.124	A	ip69-124.ipblk.ksn.ru
80.242.69.125	A	ip69-125.ipblk.ksn.ru
80.242.69.126	A+PTR	bc.acris.ru
80.242.69.131	A	ip69-131.ipblk.ksn.ru
80.242.69.135	A	ip69-135.ipblk.ksn.ru
80.242.69.138	A	ip69-138.ipblk.ksn.ru
80.242.69.140	A	ip69-140.ipblk.ksn.ru
80.242.69.141	A+PTR	ip69-141.ipblk.ksn.ru
80.242.69.143	A	ip69-143.ipblk.ksn.ru
80.242.69.144	A	ip69-144.ipblk.ksn.ru
80.242.69.147	A+PTR	ip69-147.ipblk.ksn.ru
80.242.69.156	A+PTR	ip69-156.ipblk.ksn.ru
80.242.69.160	A	ip69-160.ipblk.ksn.ru
80.242.69.178	A+PTR	ip69-178.ipblk.ksn.ru
80.242.69.178	A	welgas.ksn.ru
80.242.69.182	A+PTR	ip69-182.ipblk.ksn.ru
80.242.69.184	A+PTR	ip69-184.ipblk.ksn.ru
80.242.69.186	A+PTR	ip69-186.ipblk.ksn.ru
80.242.69.193	A+PTR	ip69-193.ipblk.ksn.ru
80.242.69.198	A	ip69-198.ipblk.ksn.ru
80.242.69.199	A+PTR	ip69-199.ipblk.ksn.ru
80.242.69.202	A+PTR	ip69-202.ipblk.ksn.ru
80.242.69.216	A	ip69-216.ipblk.ksn.ru
80.242.69.220	A+PTR	ip69-220.ipblk.ksn.ru
80.242.69.221	A+PTR	ip69-221.ipblk.ksn.ru
80.242.69.231	A	ip69-231.ipblk.ksn.ru
80.242.69.235	A+PTR	ip69-235.ipblk.ksn.ru
80.242.69.239	A	ip69-239.ipblk.ksn.ru
80.242.69.242	A+PTR	raul.asiamusic.ru
80.242.69.242	A	ip69-242.ipblk.ksn.ru
80.242.69.244	A+PTR	ip69-244.ipblk.ksn.ru
80.242.69.244	A	geracl.asiamusic.ru
80.242.69.247	A+PTR	ip69-247.ipblk.ksn.ru
80.242.69.253	A	ip69-253.ipblk.ksn.ru
80.242.70.1	PTR	gw1.ksn.ru
80.242.70.4	A	mail.nskbrew.ru
80.242.70.5	A+PTR	mail.npz-pivo.ru
80.242.70.5	A	ip70-5.ipblk.ksn.ru
80.242.70.5	A	l52.ratm.ru
80.242.70.46	PTR	vpn.pk-strop.ru
80.242.70.73	PTR	ip70-73.ipblk.ksn.ru
80.242.70.73	A	sibir-id.ru
80.242.70.134	A+PTR	mail.avtostem.ru
80.242.70.140	PTR	ip70-140.ipblk.ksn.ru
80.242.70.172	A+PTR	mx10.nsk.ivers.ru
80.242.70.210	A+PTR	dola.ru
80.242.70.224	A+PTR	ip70-224.ipblk.ksn.ru
80.242.70.243	PTR	ip70-243.ipblk.ksn.ru
80.242.70.243	A	mail.euro-kovka.ru
80.242.70.244	A+PTR	ip70-244.ipblk.ksn.ru
80.242.71.17	A+PTR	kraski-raduga.ru
80.242.71.17	A	mx1.kraski-raduga.ru
80.242.71.53	PTR	ip71-53.ipblk.ksn.ru
80.242.71.62	A	www.chemal-zarechje.ru
80.242.71.62	A	chemal-laguna.ru
80.242.71.62	A	splus-nsk.ru
80.242.71.85	A	mx.sibalbatros.ru
80.242.71.142	PTR	ip71-142.ipblk.ksn.ru
80.242.71.142	A	mail.dom-sib.ru
80.242.71.199	A+PTR	ip71-199.ipblk.ksn.ru
80.242.71.226	PTR	ip71-226.ipblk.ksn.ru