Robtex

Up: 81.27.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 81.27.48.0/22
Down right: 81.27.52.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.27.48.19	A+PTR	81-27-48-19.domolink.elcom.ru
81.27.48.20	A	81-27-48-20.domolink.elcom.ru
81.27.48.37	A	81-27-48-37.domolink.elcom.ru
81.27.48.73	A+PTR	81-27-48-73.domolink.elcom.ru
81.27.48.80	A+PTR	81-27-48-80.domolink.elcom.ru
81.27.48.88	A+PTR	81-27-48-88.domolink.elcom.ru
81.27.48.101	A	81-27-48-101.domolink.elcom.ru
81.27.48.129	A	radius.vtsnet.ru
81.27.48.130	PTR	81-27-48-130.domolink.elcom.ru
81.27.48.130	A	energomash.vtsnet.ru
81.27.48.130	A	server-2.vtsnet.ru
81.27.48.137	A	mrouter-3.vtsnet.ru
81.27.48.138	A	mrouter-2.vtsnet.ru
81.27.48.139	A	mrouter-1.vtsnet.ru
81.27.48.140	A	t140.vtsnet.ru
81.27.48.148	A	81-27-48-148.domolink.elcom.ru
81.27.48.149	A	mail-1.vtsnet.ru
81.27.48.153	A+PTR	81-27-48-153.domolink.elcom.ru
81.27.48.153	A	poptop-3.vtsnet.ru
81.27.48.158	A	router-6.vtsnet.ru
81.27.48.158	A	81-27-48-158.domolink.elcom.ru
81.27.48.163	PTR	81-27-48-163.domolink.elcom.ru
81.27.48.163	A	pptp.vtsnet.ru
81.27.48.164	A	pptp.vtsnet.ru
81.27.48.170	A	81-27-48-170.domolink.elcom.ru
81.27.48.191	A	81-27-48-191.domolink.elcom.ru
81.27.48.230	A	81-27-48-230.domolink.elcom.ru
81.27.48.231	A	81-27-48-231.domolink.elcom.ru
81.27.48.234	A+PTR	81-27-48-234.domolink.elcom.ru
81.27.48.253	A	router-6-6.vtsnet.ru
81.27.48.254	A	router-3.vtsnet.ru
81.27.49.32	A	81-27-49-32.domolink.elcom.ru
81.27.49.52	A	81-27-49-52.domolink.elcom.ru
81.27.49.101	A	81-27-49-101.domolink.elcom.ru
81.27.49.113	A+PTR	81-27-49-113.domolink.elcom.ru
81.27.49.142	A	81-27-49-142.domolink.elcom.ru
81.27.49.163	A+PTR	81-27-49-163.domolink.elcom.ru
81.27.49.172	A	ftp.arriah.com
81.27.49.174	A	81-27-49-174.domolink.elcom.ru
81.27.49.175	A	81-27-49-175.domolink.elcom.ru
81.27.49.177	A	81-27-49-177.domolink.elcom.ru
81.27.49.182	A	81-27-49-182.domolink.elcom.ru
81.27.49.191	A	81-27-49-191.domolink.elcom.ru
81.27.49.203	PTR	81-27-49-203.domolink.elcom.ru
81.27.49.215	A	81-27-49-215.domolink.elcom.ru
81.27.49.240	PTR	81-27-49-240.domolink.elcom.ru
81.27.50.13	A	81-27-50-13.domolink.elcom.ru
81.27.50.63	A	81-27-50-63.domolink.elcom.ru
81.27.50.82	A+PTR	81-27-50-82.domolink.elcom.ru
81.27.50.83	A+PTR	81-27-50-83.domolink.elcom.ru
81.27.50.110	A	81-27-50-110.domolink.elcom.ru
81.27.50.112	A+PTR	81-27-50-112.domolink.elcom.ru
81.27.50.122	A+PTR	81-27-50-122.domolink.elcom.ru
81.27.50.132	A	81-27-50-132.domolink.elcom.ru
81.27.50.170	A	mail.tochmash.vtsnet.ru
81.27.50.170	A	tochmash.vtsnet.ru
81.27.50.174	A	81-27-50-174.domolink.elcom.ru
81.27.50.198	A	81-27-50-198.domolink.elcom.ru
81.27.50.206	A	81-27-50-206.domolink.elcom.ru
81.27.50.248	A+PTR	81-27-50-248.domolink.elcom.ru
81.27.51.18	A+PTR	81-27-51-18.domolink.elcom.ru
81.27.51.44	A	81-27-51-44.domolink.elcom.ru
81.27.51.59	A+PTR	81-27-51-59.domolink.elcom.ru
81.27.51.68	A	81-27-51-68.domolink.elcom.ru
81.27.51.76	A	81-27-51-76.domolink.elcom.ru
81.27.51.90	A	81-27-51-90.domolink.elcom.ru
81.27.51.91	A+PTR	81-27-51-91.domolink.elcom.ru
81.27.51.110	A	81-27-51-110.domolink.elcom.ru
81.27.51.117	A	81-27-51-117.domolink.elcom.ru
81.27.51.130	PTR	81-27-51-130.domolink.elcom.ru
81.27.51.130	A	relay-2.vtsnet.ru
81.27.51.130	A	smtp2.vtsnet.ru
81.27.51.163	A+PTR	81-27-51-163.domolink.elcom.ru
81.27.51.177	PTR	81-27-51-177.domolink.elcom.ru
81.27.51.177	A	t1.vtsnet.ru
81.27.51.178	A	t2.vtsnet.ru
81.27.51.179	PTR	81-27-51-179.domolink.elcom.ru
81.27.51.179	A	t3.vtsnet.ru
81.27.51.180	A	t4.vtsnet.ru
81.27.51.209	A	81-27-51-209.domolink.elcom.ru
81.27.51.228	A	tecnode.vtsnet.ru
81.27.51.228	A	tech.vtsnet.ru
81.27.51.233	A	wowa-xp.vtsnet.ru
81.27.51.244	A	81-27-51-244.domolink.elcom.ru
81.27.51.254	A	wowa3.vtsnet.ru
81.27.52.19	A+PTR	81-27-52-19.domolink.elcom.ru
81.27.52.23	A	81-27-52-23.domolink.elcom.ru
81.27.52.46	A	81-27-52-46.domolink.elcom.ru
81.27.52.81	A+PTR	81-27-52-81.domolink.elcom.ru
81.27.52.119	A	81-27-52-119.domolink.elcom.ru
81.27.52.151	A	81-27-52-151.domolink.elcom.ru
81.27.52.171	A+PTR	81-27-52-171.domolink.elcom.ru
81.27.52.235	A+PTR	81-27-52-235.domolink.elcom.ru
81.27.52.245	A	81-27-52-245.domolink.elcom.ru
81.27.53.61	A	81-27-53-61.domolink.elcom.ru
81.27.53.154	PTR	81-27-53-154.domolink.elcom.ru
81.27.53.173	A	81-27-53-173.domolink.elcom.ru
81.27.53.202	PTR	81-27-53-202.domolink.elcom.ru
81.27.53.244	A	81-27-53-244.domolink.elcom.ru
81.27.54.3	PTR	81-27-54-3.domolink.elcom.ru
81.27.54.36	A	81-27-54-36.domolink.elcom.ru
81.27.54.40	A+PTR	81-27-54-40.domolink.elcom.ru
81.27.54.43	PTR	81-27-54-43.domolink.elcom.ru
81.27.54.67	A+PTR	81-27-54-67.domolink.elcom.ru
81.27.54.88	A+PTR	81-27-54-88.domolink.elcom.ru
81.27.54.111	A	81-27-54-111.domolink.elcom.ru
81.27.54.119	A	81-27-54-119.domolink.elcom.ru
81.27.54.175	A	81-27-54-175.domolink.elcom.ru
81.27.54.242	A	81-27-54-242.domolink.elcom.ru
81.27.55.23	A	81-27-55-23.domolink.elcom.ru
81.27.55.41	A+PTR	81-27-55-41.domolink.elcom.ru
81.27.55.44	A	81-27-55-44.domolink.elcom.ru
81.27.55.55	A	81-27-55-55.domolink.elcom.ru
81.27.55.69	A	81-27-55-69.domolink.elcom.ru
81.27.55.113	A+PTR	81-27-55-113.domolink.elcom.ru
81.27.55.116	A	81-27-55-116.domolink.elcom.ru
81.27.55.146	A+PTR	81-27-55-146.domolink.elcom.ru
81.27.55.195	PTR	81-27-55-195.domolink.elcom.ru
81.27.55.206	A	81-27-55-206.domolink.elcom.ru
81.27.55.209	A+PTR	81-27-55-209.domolink.elcom.ru
81.27.55.216	A+PTR	81-27-55-216.domolink.elcom.ru