Robtex

Up: 213.33.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 213.33.240.0/22
Down right: 213.33.244.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.33.240.254	A	fenix-media.ru
213.33.240.254	A	1ptv.online
213.33.240.254	A	1ptv.ru
213.33.241.1	A+PTR	rtr01-spbhq.olly.ru
213.33.241.104	A	ex10edge.tn.olly.ru
213.33.241.108	A+PTR	mailedge.ollytest.net
213.33.241.108	A	mx.ollytest.net
213.33.241.130	A	xm.ollyit.ru
213.33.241.147	A	xm.ollyit.ru
213.33.241.204	PTR	activesync.olly.ru
213.33.241.204	A	mail.olly.ru
213.33.241.211	A	disti.ollyit.ru
213.33.241.221	A	weboffice.olly.ru
213.33.241.224	A	sip.olly.ru
213.33.241.225	A	webconf.olly.ru
213.33.241.226	A+PTR	av.olly.ru
213.33.241.227	A	www.olly.ru
213.33.241.228	A	www.olly.ru
213.33.241.233	A+PTR	store.olly.ru
213.33.241.235	A+PTR	lync.olly.ru
213.33.241.235	A	dialin.olly.ru
213.33.241.235	A	join.olly.ru
213.33.241.253	A+PTR	ftp.olly.ru
213.33.241.254	A+PTR	ns.olly.ru
213.33.241.254	A	mx.ollyit.ru
213.33.241.254	A	mx.olly.ru
213.33.242.30	A	cs1841-bolsh18.spb.gldn.net
213.33.243.50	A+PTR	srv-ex.diplomatman.ru
213.33.243.50	A	office1.diplomatman.ru
213.33.243.98	A+PTR	mta.rosel.ru
213.33.243.138	A+PTR	mail.biskvit.ru
213.33.243.154	PTR	mail.krtd.ru
213.33.243.194	PTR	spb-213-33-243-194.sovintel.ru
213.33.243.217	PTR	spb-213-33-243-217.sovintel.ru
213.33.243.217	A	ns1.oktetlabs.ru
213.33.244.2	A	smtp.upispb.ru
213.33.244.30	PTR	gld-ns.tecom.ru
213.33.244.37	A	lp-c.ru
213.33.244.37	A	www.lp-c.ru
213.33.244.56	PTR	213-33-244-56-gld.tecom.ru
213.33.244.123	PTR	213-33-244-123-gld.tecom.ru
213.33.244.130	PTR	mail.etnasoft.com
213.33.244.130	A	etnasoft.de
213.33.244.166	A	ns.alittlebit.com
213.33.244.166	A	ns.daribit.ru
213.33.244.216	PTR	bantikov.ru
213.33.244.216	A	bantikoff.ru
213.33.244.216	A	bantikov.su
213.33.244.217	PTR	polus.su
213.33.244.241	PTR	213-33-244-241-gld.tecom.ru
213.33.245.36	A	exchange2.ledmp.org
213.33.245.36	A	mail.ledmp.org
213.33.245.38	A	mail.hi-spb.com
213.33.245.38	A	mail.moscowgate.com
213.33.245.54	A	mail.hhh-italy.com
213.33.245.54	A	mail.cosmos-mebel.ru
213.33.245.54	A	first.cosmos-mebel.ru
213.33.245.88	A	mail.yit.ru
213.33.246.4	PTR	mega-bit.ru
213.33.246.6	A	mx3.teremok.com
213.33.246.6	A	mx3.teremok.ru
213.33.246.8	PTR	e-tat.ru
213.33.246.30	A	analitik.metacom.ru
213.33.246.32	PTR	32.246.33.213.static.che.sovintel.ru
213.33.246.83	PTR	83.246.33.213.static.che.sovintel.ru
213.33.246.97	PTR	mail.chpa.ru
213.33.246.105	PTR	105.246.33.213.static.che.sovintel.ru
213.33.246.121	PTR	alanta.metacom.ru
213.33.246.131	PTR	131.246.33.213.static.che.sovintel.ru
213.33.246.140	A	dc1.nii-ps.ru
213.33.246.140	A	mail.nii-ps.ru
213.33.246.142	A	nii-ps.ru
213.33.246.144	PTR	144.246.33.213.static.che.sovintel.ru
213.33.246.147	PTR	147.246.33.213.static.che.sovintel.ru
213.33.246.147	A	mail.pony-spb.ru
213.33.246.148	A	mx1.pony-spb.ru
213.33.246.154	PTR	154.246.33.213.static.che.sovintel.ru
213.33.246.161	PTR	161.246.33.213.static.che.sovintel.ru
213.33.246.163	PTR	163.246.33.213.static.che.sovintel.ru
213.33.246.168	PTR	168.246.33.213.static.che.sovintel.ru
213.33.246.169	PTR	169.246.33.213.static.che.sovintel.ru
213.33.246.171	PTR	171.246.33.213.static.che.sovintel.ru
213.33.246.178	PTR	178.246.33.213.static.che.sovintel.ru
213.33.246.194	PTR	194.246.33.213.static.che.sovintel.ru
213.33.246.194	A	dexma-plm.com
213.33.246.216	PTR	216.246.33.213.static.che.sovintel.ru
213.33.246.221	A	polinomdm.com
213.33.246.221	A	machinatorgame.com
213.33.246.221	A	www.asconline.ru
213.33.246.224	PTR	224.246.33.213.static.che.sovintel.ru
213.33.247.123	A	building-exhibitions.ru
213.33.247.123	A	mail.building-exhibitions.ru
213.33.247.125	A	mail.primexpo.ru
213.33.247.125	A	site.primexpo.ru