Robtex

Up: 78.153.152.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 78.153.152.0/23
Down right: 78.153.154.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
78.153.152.0	PTR	0-152-153-78.interlan.ru
78.153.152.16	PTR	rocketfile.ru
78.153.152.16	A	*.teplo-komfort.ru
78.153.152.16	A	aquaphordvm.ru
78.153.152.24	PTR	24-152-153-78.interlan.ru
78.153.152.24	A	refugee.memo.ru
78.153.152.24	A	lcrmosc.memo.ru
78.153.152.34	A	deekay.ru
78.153.152.60	A	ddomen.net
78.153.152.60	A	mail.ddomen.net
78.153.152.60	A	mx.ddomen.net
78.153.152.90	PTR	90-152-153-78.interlan.ru
78.153.152.100	A+PTR	home.dee1.ru
78.153.152.111	PTR	111-152-153-78.interlan.ru
78.153.152.111	A	sphome.ru
78.153.152.146	A	www.maukin.ru
78.153.152.149	PTR	149-152-153-78.interlan.ru
78.153.152.149	A	mail.vcdomos.ru
78.153.152.160	A	twg-srv.com
78.153.152.171	PTR	171-152-153-78.interlan.ru
78.153.152.171	A	burzh.net
78.153.152.191	PTR	191-152-153-78.interlan.ru
78.153.152.191	A	op.com.ru
78.153.153.8	PTR	8-153-153-78.interlan.ru
78.153.153.15	PTR	15-153-153-78.interlan.ru
78.153.153.255	PTR	255-153-153-78.interlan.ru
78.153.154.1	PTR	ns1.masterlink.ru
78.153.154.1	A	ns.masterlink.ru
78.153.154.3	A	border3.masterlink.ru
78.153.154.5	A	bob.masterlink.ru
78.153.154.7	A	ns2.masterlink.ru
78.153.154.7	A	border2.masterlink.ru
78.153.154.9	A+PTR	mail.masterlink.ru
78.153.154.9	A	smtp.masterlink.ru
78.153.154.9	A	ftp.masterlink.ru
78.153.154.10	A	db.masterlink.ru
78.153.154.14	A	masterlink.ru
78.153.154.14	A	www.masterlink.ru
78.153.154.22	PTR	optimus.firmus.ru
78.153.154.22	A	personal-office.ru
78.153.154.22	A	rbdb.ru