Robtex

Up: 77.233.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 77.233.0.0/19
Down right: 77.233.32.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.233.0.50	PTR	domsbs.ru
77.233.0.66	A+PTR	mx2.mmsbs.ru
77.233.0.69	A+PTR	mx3.mmsbs.ru
77.233.0.77	PTR	zimbra.camelotkrasnodar.ru
77.233.0.77	PTR	zimbra.grand-catering.ru
77.233.0.77	PTR	zimbra.hotelpremier.ru
77.233.0.148	A+PTR	mail.park-europe.ru
77.233.0.179	A+PTR	krtec.ru
77.233.0.179	PTR	mail.krtec.ru
77.233.1.1	A+PTR	ns1.yug-link.ru
77.233.1.2	A+PTR	mayak23.ru
77.233.1.2	PTR	mxs0.yug-link.ru
77.233.1.2	PTR	relay-mxs0.yug-link.ru
77.233.1.23	A	regcmc.ru
77.233.1.254	PTR	krasnodar.yug-link.ru
77.233.2.1	A+PTR	ns2.yug-link.ru
77.233.3.10	A	saqqent.com
77.233.3.10	A	xn--b1acdng2abcang4bya.xn--p1ai
77.233.3.82	PTR	mail.erga-genset.com
77.233.3.82	A+PTR	mail.gazteh.ru
77.233.3.82	PTR	mail.inmesol.su
77.233.3.173	A	ci23.ru
77.233.3.187	A+PTR	kubanmarka.ru
77.233.3.211	A+PTR	smtp.stroyproject-xxi.ru
77.233.3.211	A	smtp.skkuban.net
77.233.3.211	A	smtp.sp21.net
77.233.4.2	A	speedtest.yug-link.ru
77.233.4.18	PTR	c7301-krasnodar.electro-com.ru
77.233.4.67	A+PTR	mail.rkn23.ru
77.233.4.67	A	rkn23.ru
77.233.4.133	PTR	mail.nceco.ru
77.233.4.142	A+PTR	domsbs.ru
77.233.4.142	A	*.52.162.domsbs.ru
77.233.4.142	A	ns.domsbs.ru
77.233.4.196	A+PTR	mail.ci23.ru
77.233.4.203	PTR	mx1.tabris.ru
77.233.4.254	A+PTR	mail.gaztransbank.ru
77.233.5.22	A+PTR	v-k-b.ru
77.233.5.22	A+PTR	mail.v-k-b.ru
77.233.5.22	A	www.v-k-b.ru
77.233.5.62	PTR	ns.sp21.net
77.233.5.62	PTR	mx.stroyproject-xxi.ru
77.233.5.114	A	mail.r23.center-inform.ru
77.233.5.120	PTR	redhost.su
77.233.5.120	A	nnc.su
77.233.5.120	A	mail.kubmarka.ru
77.233.5.121	A	kubanmarka.ru
77.233.5.155	A+PTR	mail.strike.ru
77.233.7.2	A+PTR	lotus.galleryk.ru
77.233.7.3	A	mx2.galleryk.ru
77.233.7.5	A	mx3.galleryk.ru
77.233.8.153	A	mail.gradoresurs.com
77.233.10.44	A	mx01.ohrana-neva.ru
77.233.10.44	A	mail.hc-kuban.com
77.233.10.90	PTR	mail.gbukkk.ru
77.233.10.221	A	mx4.mmsbs.ru
77.233.11.9	A	ams-v-saniba.ru
77.233.11.9	A	ams-komgaron.ru
77.233.11.9	A	detsad20melnikovo.ru
77.233.11.12	PTR	mail.b2b-telecom.ru
77.233.11.200	A	mail.fmkk.ru
77.233.11.238	A+PTR	mail.ohrana-neva.ru
77.233.11.238	A	mail.evromost.ru
77.233.11.238	A	mail.mail.evromost.ru
77.233.12.107	A+PTR	mail.kubansbyt.ru
77.233.12.108	A	mx2.kubansbyt.ru
77.233.12.226	A+PTR	mail.krasnodarvodokanal.ru
77.233.12.226	A	www.krasnodarvodokanal.ru
77.233.12.226	A	m.krasnodarvodokanal.ru
77.233.13.20	A	mail.escortlist.eu
77.233.13.20	A	escortlist.eu
77.233.13.143	A	mail.uvk-expo.ru
77.233.13.143	A	mail.red-square.ru
77.233.13.143	A	mail.expograd-yug.ru
77.233.13.149	PTR	kinomonitork.ru
77.233.13.204	A+PTR	kinomonitork.ru
77.233.13.213	A+PTR	hm992333.tander.ru
77.233.15.2	PTR	www.krasnodar.ru
77.233.15.3	PTR	mail.krasnodar.ru
77.233.15.10	A	mail.kubangov.ru
77.233.17.17	A	kuban.taxi
77.233.17.17	A	moe.taxi
77.233.18.4	A	indigo.taxi
77.233.18.4	A	gelendzhik.taxi
77.233.18.4	A	eorum.ru
77.233.32.1	PTR	ge-gw.stb.caveo.nl
77.233.32.4	PTR	windows.vuurstorm.nl
77.233.32.4	A	tuxtendo.nl
77.233.32.5	A	ns3.ictframeworks.com
77.233.32.13	A	f72.nl
77.233.32.13	A	mail.f72.nl
77.233.32.151	A	mail2.bossje.com
77.233.32.153	A	server5.webfontein.nl
77.233.32.154	A	server6.webfontein.nl
77.233.33.70	PTR	monitor01.duximus.net
77.233.33.70	A	mx2.mailshield.eu
77.233.33.70	A	smtp2.snuffel.net
77.233.34.6	A+PTR	plesk01.siteview.nl
77.233.34.11	A	mail.rnrnet.net
77.233.34.11	A	plesk11.siteview.nl
77.233.34.12	A	volppe.com
77.233.34.67	A	mail.unlimitedfb.net
77.233.34.70	A	werkeningelderland.nl
77.233.34.71	A	flexpoolpubliekesector.nl
77.233.34.75	A	inhuurhhnk.nl
77.233.34.108	A	plesk11.siteview.nl
77.233.34.129	PTR	gateway.eun.systechmedia.org
77.233.34.131	A+PTR	deekin.systechmedia.org
77.233.34.131	A	clarisse.nu
77.233.34.131	A	mail.systechmedia.org
77.233.34.194	PTR	cl-polder.caveo.nl
77.233.34.194	A	polderknowledge.nl
77.233.34.194	A	*.polderknowledge.nl
77.233.42.146	A	mx.sonetperm.ru