Robtex

Up: 194.186.224.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 194.186.228.0/23
Down right: 194.186.230.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.186.228.46	A+PTR	mail.vertas.ru
194.186.228.46	A	mail.vaertas.ru
194.186.228.114	PTR	komisrv.komi.rshb.ru
194.186.229.4	PTR	4.229.186.194.sovintel.spb.ru
194.186.229.27	PTR	27.229.186.194.sovintel.spb.ru
194.186.229.30	PTR	30.229.186.194.sovintel.spb.ru
194.186.229.59	PTR	59.229.186.194.sovintel.spb.ru
194.186.229.83	PTR	83.229.186.194.sovintel.spb.ru
194.186.229.100	A+PTR	mail.severgazbank.ru
194.186.229.100	A	ns.severgazbank.ru
194.186.229.106	PTR	106.229.186.194.sovintel.spb.ru
194.186.229.111	PTR	111.229.186.194.sovintel.spb.ru
194.186.229.113	PTR	113.229.186.194.sovintel.spb.ru
194.186.229.142	PTR	142.229.186.194.sovintel.spb.ru
194.186.229.142	A	mail.slc-corp.ru
194.186.229.142	A	mail.norweks.ru
194.186.229.150	PTR	mail.promindustry.su
194.186.229.150	A	mail.rollingstockinvest.com
194.186.229.150	A	ns.vspspb.ru
194.186.229.162	PTR	162.229.186.194.sovintel.spb.ru
194.186.229.176	PTR	176.229.186.194.sovintel.spb.ru
194.186.229.186	PTR	relay.n-l-e.ru
194.186.229.190	PTR	vpn.n-l-e.ru
194.186.229.232	PTR	232.229.186.194.sovintel.spb.ru
194.186.230.1	A+PTR	usg.dostoevsky-hotel.ru
194.186.230.1	PTR	mail.hotel.alice.ru
194.186.230.3	PTR	router.hotel.alice.ru
194.186.230.12	A+PTR	cam.dostoevsky-hotel.ru
194.186.230.12	PTR	cam.vladimirskiy.ru
194.186.230.14	A	hotel.alice.ru
194.186.230.14	A	ns.dostoevsky-hotel.ru
194.186.230.14	A	smtp.hotel.alice.ru
194.186.230.33	PTR	r33.spb.alice.ru
194.186.230.34	PTR	mail.spb.alice.ru
194.186.230.51	PTR	www.alice.ru
194.186.230.51	A	smtp1.alice.ru
194.186.230.51	A	smtp.alice.ru
194.186.230.52	PTR	ftp.alice.ru
194.186.230.53	A	proxy.alice.ru
194.186.230.55	PTR	sk.alice.ru
194.186.230.58	PTR	sus.alice.ru
194.186.230.109	PTR	shipol.bg-holidays.com
194.186.230.109	PTR	shipol.azimut-tours.ru
194.186.230.109	PTR	schiphol.azimut360.ru
194.186.230.201	PTR	r13.passage.alice.ru
194.186.230.217	PTR	r9.passage.alice.ru
194.186.230.222	PTR	c7.passage.alice.ru
194.186.230.241	PTR	r3.passage.alice.ru
194.186.231.17	PTR	ccr-0.arkhangelsk.gldn.net
194.186.231.89	PTR	ccr-0.arkhangelsk.gldn.net
194.186.231.158	A+PTR	arh.rn-card.ru
194.186.231.162	A+PTR	gw1.jsbunker.ru
194.186.231.162	A	mail.jsbunker.ru
194.186.231.210	A	ns1.net29.ru