Robtex

Up: 77.105.152.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 77.105.152.0/23
Down right: 77.105.154.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.105.152.2	PTR	ipdslam.astus.ru
77.105.152.10	PTR	mail.astrus.ru
77.105.152.10	A	mail.cdt-hotel.ru
77.105.152.12	PTR	mail.petcompany.ru
77.105.152.12	A	okolometro.com
77.105.152.12	A	mail.okolometro.com
77.105.152.13	PTR	telecom.astrus.ru
77.105.152.23	PTR	h77-105-152-23.astrus.ru
77.105.152.23	A	mail.astrus.ru
77.105.152.23	A	mail.astrus.net
77.105.152.26	A	mx.bestelement.ru
77.105.152.26	A	bestelement.ru
77.105.152.29	PTR	mx.astrus.ru
77.105.152.29	A	mail.astrus.net
77.105.152.30	PTR	astrus.net
77.105.152.30	A	angiourolog.ru
77.105.152.30	A	souzpack.com
77.105.152.42	PTR	mx.x-telpro.ru
77.105.152.42	A	x-tel.ru
77.105.152.42	A	mx.x-tel.ru
77.105.152.75	PTR	h77-105-152-75.astrus.ru
77.105.152.90	PTR	h77-105-152-90.astrus.ru
77.105.152.127	PTR	h77-105-152-127.astrus.ru
77.105.152.132	PTR	h77-105-152-132.astrus.ru
77.105.152.132	A	www.mirkey.ru
77.105.152.132	A	eco-hosting.ru
77.105.152.144	PTR	mx.fitnessmania.ru
77.105.152.145	PTR	mx.fitnessmania.ru
77.105.152.146	PTR	mx.fitnessmania.ru
77.105.152.147	PTR	mx.fitnessmania.ru
77.105.152.148	PTR	mx.fitnessmania.ru
77.105.152.149	PTR	mx.fitnessmania.ru
77.105.152.150	PTR	mx.fitnessmania.ru
77.105.152.151	PTR	mx.fitnessmania.ru
77.105.152.152	PTR	mx.fitnessmania.ru
77.105.152.153	PTR	mx.fitnessmania.ru
77.105.152.154	PTR	mx.fitnessmania.ru
77.105.152.155	PTR	fizika.com
77.105.152.155	A	mail-server.fitnesmania.ru
77.105.152.156	PTR	mx.innomash.ru
77.105.152.157	PTR	mx.fitnessmania.ru
77.105.152.158	PTR	mx.fitnessmania.ru
77.105.152.188	PTR	h77-105-152-188.astrus.ru
77.105.153.1	PTR	h77-105-153-1.astrus.ru
77.105.153.1	A	ns2.astrus.net
77.105.153.1	A	ns.astrus.ru
77.105.153.4	PTR	h77-105-153-4.astrus.ru
77.105.153.8	PTR	h77-105-153-8.astrus.ru
77.105.153.9	PTR	h77-105-153-9.astrus.ru
77.105.153.13	PTR	h77-105-153-13.astrus.ru
77.105.153.16	PTR	h77-105-153-16.astrus.ru
77.105.153.20	PTR	h77-105-153-20.astrus.ru
77.105.153.22	PTR	h77-105-153-22.astrus.ru
77.105.153.25	PTR	h77-105-153-25.astrus.ru
77.105.153.27	PTR	h77-105-153-27.astrus.ru
77.105.153.32	PTR	h77-105-153-32.astrus.ru
77.105.153.33	PTR	h77-105-153-33.astrus.ru
77.105.153.44	PTR	h77-105-153-44.astrus.ru
77.105.153.46	PTR	h77-105-153-46.astrus.ru
77.105.153.52	PTR	h77-105-153-52.astrus.ru
77.105.153.55	PTR	h77-105-153-55.astrus.ru
77.105.153.70	PTR	h77-105-153-70.astrus.ru
77.105.153.73	PTR	h77-105-153-73.astrus.ru
77.105.153.76	PTR	h77-105-153-76.astrus.ru
77.105.153.78	PTR	h77-105-153-78.astrus.ru
77.105.153.89	PTR	h77-105-153-89.astrus.ru
77.105.153.95	PTR	h77-105-153-95.astrus.ru
77.105.153.97	PTR	h77-105-153-97.astrus.ru
77.105.153.98	PTR	h77-105-153-98.astrus.ru
77.105.153.100	PTR	h77-105-153-100.astrus.ru
77.105.153.104	PTR	h77-105-153-104.astrus.ru
77.105.153.108	PTR	h77-105-153-108.astrus.ru
77.105.153.109	PTR	h77-105-153-109.astrus.ru
77.105.153.113	PTR	h77-105-153-113.astrus.ru
77.105.153.115	PTR	h77-105-153-115.astrus.ru
77.105.153.119	PTR	h77-105-153-119.astrus.ru
77.105.153.127	PTR	h77-105-153-127.astrus.ru
77.105.153.134	PTR	h77-105-153-134.astrus.ru
77.105.153.146	PTR	h77-105-153-146.astrus.ru
77.105.153.147	PTR	h77-105-153-147.astrus.ru
77.105.153.151	PTR	h77-105-153-151.astrus.ru
77.105.153.166	PTR	h77-105-153-166.astrus.ru
77.105.153.172	PTR	h77-105-153-172.astrus.ru
77.105.153.179	PTR	h77-105-153-179.astrus.ru
77.105.153.181	PTR	h77-105-153-181.astrus.ru
77.105.153.182	PTR	h77-105-153-182.astrus.ru
77.105.153.184	PTR	h77-105-153-184.astrus.ru
77.105.153.187	PTR	h77-105-153-187.astrus.ru
77.105.153.189	PTR	h77-105-153-189.astrus.ru
77.105.153.194	PTR	h77-105-153-194.astrus.ru
77.105.153.195	PTR	h77-105-153-195.astrus.ru
77.105.153.196	PTR	h77-105-153-196.astrus.ru
77.105.153.197	PTR	h77-105-153-197.astrus.ru
77.105.153.201	PTR	h77-105-153-201.astrus.ru
77.105.153.203	PTR	h77-105-153-203.astrus.ru
77.105.153.212	PTR	h77-105-153-212.astrus.ru
77.105.153.213	PTR	h77-105-153-213.astrus.ru
77.105.153.220	PTR	h77-105-153-220.astrus.ru
77.105.153.224	PTR	h77-105-153-224.astrus.ru
77.105.153.226	PTR	h77-105-153-226.astrus.ru
77.105.153.228	PTR	h77-105-153-228.astrus.ru
77.105.153.229	PTR	h77-105-153-229.astrus.ru
77.105.153.234	PTR	h77-105-153-234.astrus.ru
77.105.153.239	PTR	h77-105-153-239.astrus.ru
77.105.153.243	PTR	h77-105-153-243.astrus.ru
77.105.153.245	PTR	h77-105-153-245.astrus.ru
77.105.153.248	PTR	h77-105-153-248.astrus.ru
77.105.153.249	PTR	h77-105-153-249.astrus.ru
77.105.153.251	PTR	h77-105-153-251.astrus.ru
77.105.154.173	PTR	h77-105-154-173.astrus.ru
77.105.155.181	PTR	h77-105-155-181.astrus.ru
77.105.155.181	A	hulettssugar.mobi